======================================
| xx__-> [    2.230191] ------------[ cut here ]------------
| [    2.230245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/156
| [    2.230306] Modules linked in:
| [    2.230390] Tainted: [W]=WARN
[    2.230413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.230446] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.230477] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.230576] RSP: 0018:ff5eafed003efcb8 EFLAGS: 00010286
[    2.230614] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.230657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3600
[    2.230697] RBP: 0000000000000000 R08: ff156d864324a310 R09: ff156d864467602c
[    2.230735] R10: ff156d8644671120 R11: fefefefefefefeff R12: 0000000000000000
[    2.230773] R13: 0000000000000010 R14: ff156d8644671000 R15: ff156d86418f3600
[    2.230818] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    2.230862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.230893] CR2: 00007f98023e7bc0 CR3: 0000000003269005 CR4: 0000000000771ef0
[    2.230940] PKRU: 55555554
[    2.230954] Call Trace:
[    2.230971]  <TASK>
[    2.230985]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.231011]  register_netdevice (net/core/dev.c:11488)
[    2.231037]  register_netdev (net/core/dev.c:11552)
[    2.231060]  loopback_net_init (drivers/net/loopback.c:218)
[    2.231084]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.231117]  ops_init (net/core/net_namespace.c:137)
[    2.231138]  setup_net (net/core/net_namespace.c:446)
[    2.231160]  copy_net_ns (net/core/net_namespace.c:579)
[    2.231181]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.231212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.231244]  ksys_unshare (kernel/fork.c:3243)
[    2.231266]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.231287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.231309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.231339] RIP: 0033:0x7f98023e7bcb
[    2.231360] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.231457] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.231507] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    2.231552] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    2.231598] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    2.231637] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    2.231678] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    2.231802] ------------[ cut here ]------------
| [    2.231828] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/156
| [    2.231873] Modules linked in:
| [    2.231952] Tainted: [W]=WARN
[    2.231977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.232010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.232035] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.232123] RSP: 0018:ff5eafed003efc10 EFLAGS: 00010286
[    2.232152] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.232198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59c00
[    2.232236] RBP: 0000000000000000 R08: ff156d8642b9b090 R09: ff156d8644679830
[    2.232276] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[    2.232316] R13: 0000000000000010 R14: ff156d8644676000 R15: ff156d8641d59c00
[    2.232365] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    2.232408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.232448] CR2: 00007f98023e7bc0 CR3: 0000000003269005 CR4: 0000000000771ef0
[    2.232494] PKRU: 55555554
[    2.232513] Call Trace:
[    2.232529]  <TASK>
[    2.232542]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.232563]  register_netdevice (net/core/dev.c:11488)
[    2.232586]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.232609]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.232634]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.232660]  ops_init (net/core/net_namespace.c:137)
[    2.232688]  setup_net (net/core/net_namespace.c:446)
[    2.232711]  copy_net_ns (net/core/net_namespace.c:579)
[    2.232731]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.232758]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.232785]  ksys_unshare (kernel/fork.c:3243)
[    2.232805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.232825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.232848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.232878] RIP: 0033:0x7f98023e7bcb
[    2.232900] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.232987] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.233033] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    2.233075] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    2.233114] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    2.233152] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    2.233194] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    2.233304] ------------[ cut here ]------------
| [    2.233332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/156
| [    2.233382] Modules linked in:
| [    2.233458] Tainted: [W]=WARN
[    2.233479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.233516] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.233545] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.233648] RSP: 0018:ff5eafed003efbf0 EFLAGS: 00010286
[    2.233677] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.233726] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59200
[    2.233765] RBP: 0000000000000000 R08: ff156d8642b9b250 R09: ff156d86432d8830
[    2.233803] R10: ff156d8644675120 R11: fefefefefefefeff R12: 0000000000000000
[    2.233849] R13: 0000000000000010 R14: ff156d8644675000 R15: ff156d8641d59200
[    2.233888] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    2.233935] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.233972] CR2: 00007f98023e7bc0 CR3: 0000000003269005 CR4: 0000000000771ef0
[    2.234019] PKRU: 55555554
[    2.234037] Call Trace:
[    2.234050]  <TASK>
[    2.234061]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.234087]  register_netdevice (net/core/dev.c:11488)
[    2.234110]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.234132]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.234154]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.234175]  ops_init (net/core/net_namespace.c:137)
[    2.234201]  setup_net (net/core/net_namespace.c:446)
[    2.234221]  copy_net_ns (net/core/net_namespace.c:579)
[    2.234244]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.234273]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.234299]  ksys_unshare (kernel/fork.c:3243)
[    2.234322]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.234345]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.234367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.234400] RIP: 0033:0x7f98023e7bcb
[    2.234420] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.234511] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.234550] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    2.234592] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    2.234632] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    2.234670] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    2.234706] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    2.234849] ------------[ cut here ]------------
| [    2.234881] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/156
| [    2.234931] Modules linked in:
| [    2.235010] Tainted: [W]=WARN
[    2.235034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.235067] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.235098] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.235190] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    2.235212] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.235245] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a300
[    2.235279] RBP: 0000000000000000 R08: ff156d8642b9b190 R09: ff156d8644681034
[    2.235324] R10: ff156d8644674120 R11: fefefefefefefeff R12: 0000000000000000
[    2.235363] R13: 0000000000000010 R14: ff156d8644674000 R15: ff156d864326a300
[    2.235398] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    2.235445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.235487] CR2: 00007f98023e7bc0 CR3: 0000000003269005 CR4: 0000000000771ef0
[    2.235534] PKRU: 55555554
[    2.235547] Call Trace:
[    2.235558]  <TASK>
[    2.235569]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.235602]  register_netdevice (net/core/dev.c:11488)
[    2.235626]  register_netdev (net/core/dev.c:11552)
[    2.235644]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.235668]  ops_init (net/core/net_namespace.c:137)
[    2.235689]  setup_net (net/core/net_namespace.c:446)
[    2.235711]  copy_net_ns (net/core/net_namespace.c:579)
[    2.235733]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.235760]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.235790]  ksys_unshare (kernel/fork.c:3243)
[    2.235815]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.235838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.235859]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.235887] RIP: 0033:0x7f98023e7bcb
[    2.235911] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.236014] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.236066] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    2.236109] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    2.236154] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    2.236190] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    2.236229] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    2.236358] ------------[ cut here ]------------
| [    2.236385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/156
| [    2.236438] Modules linked in:
| [    2.236517] Tainted: [W]=WARN
[    2.236547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.236592] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.236617] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.236713] RSP: 0018:ff5eafed003efca0 EFLAGS: 00010286
[    2.236738] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.236786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326ff00
[    2.236824] RBP: 0000000000000000 R08: ff156d8642b9b290 R09: ff156d8644686030
[    2.236871] R10: ff156d8644681120 R11: fefefefefefefeff R12: 0000000000000000
[    2.236919] R13: 0000000000000010 R14: ff156d8644681000 R15: ff156d864326ff00
[    2.236954] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    2.236997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.237039] CR2: 00007f98023e7bc0 CR3: 0000000003269005 CR4: 0000000000771ef0
[    2.237082] PKRU: 55555554
[    2.237094] Call Trace:
[    2.237111]  <TASK>
[    2.237128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.237152]  register_netdevice (net/core/dev.c:11488)
[    2.237173]  register_netdev (net/core/dev.c:11552)
[    2.237190]  sit_init_net (net/ipv6/sit.c:1860)
[    2.237210]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.237239]  ops_init (net/core/net_namespace.c:137)
[    2.237260]  setup_net (net/core/net_namespace.c:446)
[    2.237279]  copy_net_ns (net/core/net_namespace.c:579)
[    2.237298]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.237327]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.237358]  ksys_unshare (kernel/fork.c:3243)
[    2.237378]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.237404]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.237430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.237460] RIP: 0033:0x7f98023e7bcb
[    2.237482] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.237578] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.237624] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    2.237662] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    2.237699] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    2.237743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    2.237779] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    2.237935] ------------[ cut here ]------------
| [    2.237963] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/156
| [    2.238012] Modules linked in:
| [    2.238089] Tainted: [W]=WARN
[    2.238111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.238143] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.238172] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.238255] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    2.238282] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.238321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59500
[    2.238359] RBP: 0000000000000000 R08: ff156d864324a710 R09: ff156d8645cb3030
[    2.238392] R10: ff156d8644686120 R11: fefefefefefefeff R12: 0000000000000000
[    2.238431] R13: 0000000000000010 R14: ff156d8644686000 R15: ff156d8641d59500
[    2.238469] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    2.238509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.238543] CR2: 00007f98023e7bc0 CR3: 0000000003269005 CR4: 0000000000771ef0
[    2.238588] PKRU: 55555554
[    2.238604] Call Trace:
[    2.238616]  <TASK>
[    2.238631]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.238652]  register_netdevice (net/core/dev.c:11488)
[    2.238674]  register_netdev (net/core/dev.c:11552)
[    2.238694]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.238718]  ops_init (net/core/net_namespace.c:137)
[    2.238739]  setup_net (net/core/net_namespace.c:446)
[    2.238763]  copy_net_ns (net/core/net_namespace.c:579)
[    2.238785]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.238814]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.238842]  ksys_unshare (kernel/fork.c:3243)
[    2.238860]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.238883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.238904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.238934] RIP: 0033:0x7f98023e7bcb
[    2.238954] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.239060] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.239103] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    2.239150] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    2.239191] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    2.239236] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    2.239268] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    3.239763] ------------[ cut here ]------------
| [    3.239870] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    3.239931] Modules linked in:
| [    3.240045] Tainted: [W]=WARN
[    3.240070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.240105] Workqueue: netns cleanup_net
[    3.240152] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.240192] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.240306] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    3.240335] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.240373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    3.240411] RBP: 0000000000000000 R08: ff156d864324a710 R09: ff156d8644689830
[    3.240455] R10: ff156d8644686120 R11: fefefefefefefeff R12: 0000000000000000
[    3.240493] R13: 0000000000000011 R14: ff156d8644686000 R15: ff156d86418f3200
[    3.240557] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.240616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.240674] CR2: 00007efc0bb90a80 CR3: 0000000022047004 CR4: 0000000000771ef0
[    3.240713] PKRU: 55555554
[    3.240741] Call Trace:
[    3.240758]  <TASK>
[    3.240780]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.240822]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    3.240845]  cleanup_net (net/core/net_namespace.c:702)
[    3.240868]  process_one_work (kernel/workqueue.c:3314)
[    3.240908]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.240928]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.240966]  kthread (kernel/kthread.c:436)
[    3.240990]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.241015]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.241045]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.241070]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.241214] ------------[ cut here ]------------
| [    3.241246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    3.241327] Modules linked in:
| [    3.241431] Tainted: [W]=WARN
[    3.241450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.241504] Workqueue: netns cleanup_net
[    3.241553] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.241581] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.241699] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    3.241730] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.241802] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    3.241862] RBP: 0000000000000000 R08: ff156d8642b9b290 R09: ff156d86432ca830
[    3.241915] R10: ff156d8644681120 R11: fefefefefefefeff R12: 0000000000000000
[    3.241973] R13: 0000000000000011 R14: ff156d8644681000 R15: ff156d86418f3200
[    3.242038] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.242088] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.242135] CR2: 00007efc0bb90a80 CR3: 0000000022047004 CR4: 0000000000771ef0
[    3.242176] PKRU: 55555554
[    3.242189] Call Trace:
[    3.242201]  <TASK>
[    3.242214]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.242264]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    3.242285]  cleanup_net (net/core/net_namespace.c:702)
[    3.242307]  process_one_work (kernel/workqueue.c:3314)
[    3.242343]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.242375]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.242402]  kthread (kernel/kthread.c:436)
[    3.242446]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.242469]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.242499]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.242533]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.242675] ------------[ cut here ]------------
| [    3.242705] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    3.242787] Modules linked in:
| [    3.242890] Tainted: [W]=WARN
[    3.242912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.242963] Workqueue: netns cleanup_net
[    3.243001] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.243030] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.243157] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    3.243203] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.243254] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    3.243298] RBP: 0000000000000000 R08: ff156d8642b9b190 R09: ff156d86432e8834
[    3.243350] R10: ff156d8644674120 R11: fefefefefefefeff R12: 0000000000000000
[    3.243400] R13: 0000000000000011 R14: ff156d8644674000 R15: ff156d86418f3200
[    3.243441] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.243496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.243532] CR2: 00007efc0bb90a80 CR3: 0000000022047004 CR4: 0000000000771ef0
[    3.243598] PKRU: 55555554
[    3.243621] Call Trace:
[    3.243645]  <TASK>
[    3.243658]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.243699]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    3.243723]  cleanup_net (net/core/net_namespace.c:702)
[    3.243746]  process_one_work (kernel/workqueue.c:3314)
[    3.243772]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.243791]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.243810]  kthread (kernel/kthread.c:436)
[    3.243843]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.243881]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.243911]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.243944]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.244055] ------------[ cut here ]------------
| [    3.244085] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    3.244160] Modules linked in:
| [    3.244261] Tainted: [W]=WARN
[    3.244279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.244310] Workqueue: netns cleanup_net
[    3.244331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.244364] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.244473] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    3.244521] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.244571] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    3.244628] RBP: 0000000000000000 R08: ff156d8642b9b250 R09: ff156d8644679030
[    3.244667] R10: ff156d8644675120 R11: fefefefefefefeff R12: 0000000000000000
[    3.244730] R13: 0000000000000011 R14: ff156d8644675000 R15: ff156d86418f3200
[    3.244794] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.244835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.244900] CR2: 00007efc0bb90a80 CR3: 0000000022047004 CR4: 0000000000771ef0
[    3.244946] PKRU: 55555554
[    3.244962] Call Trace:
[    3.244974]  <TASK>
[    3.244987]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.245040]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    3.245078]  cleanup_net (net/core/net_namespace.c:702)
[    3.245109]  process_one_work (kernel/workqueue.c:3314)
[    3.245132]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.245161]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.245186]  kthread (kernel/kthread.c:436)
[    3.245221]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.245242]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.245274]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.245303]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.245395] ------------[ cut here ]------------
| [    3.245426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    3.245511] Modules linked in:
| [    3.245609] Tainted: [W]=WARN
[    3.245631] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.245673] Workqueue: netns cleanup_net
[    3.245704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.245733] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.245837] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    3.245875] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.245929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    3.245978] RBP: 0000000000000000 R08: ff156d8642b9b090 R09: ff156d864467b030
[    3.246020] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[    3.246077] R13: 0000000000000011 R14: ff156d8644676000 R15: ff156d86418f3200
[    3.246143] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.246202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.246239] CR2: 00007efc0bb90a80 CR3: 0000000022047004 CR4: 0000000000771ef0
[    3.246291] PKRU: 55555554
[    3.246312] Call Trace:
[    3.246325]  <TASK>
[    3.246338]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.246363]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    3.246399]  cleanup_net (net/core/net_namespace.c:702)
[    3.246418]  process_one_work (kernel/workqueue.c:3314)
[    3.246453]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.246473]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.246492]  kthread (kernel/kthread.c:436)
[    3.246531]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.246551]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.246573]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.246611]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.249861] ------------[ cut here ]------------
| [    3.249937] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/159
| [    3.249984] Modules linked in:
| [    3.250069] Tainted: [W]=WARN
[    3.250091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.250126] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.250152] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.250242] RSP: 0018:ff5eafed0039fcb8 EFLAGS: 00010286
[    3.250271] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.250311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    3.250350] RBP: 0000000000000000 R08: ff156d8642ba0c10 R09: ff156d8645cb602c
[    3.250394] R10: ff156d8644687120 R11: fefefefefefefeff R12: 0000000000000000
[    3.250437] R13: 0000000000000010 R14: ff156d8644687000 R15: ff156d86418f3200
[    3.250482] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.250524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.250557] CR2: 00007f98023e7bc0 CR3: 0000000002053006 CR4: 0000000000771ef0
[    3.250603] PKRU: 55555554
[    3.250618] Call Trace:
[    3.250631]  <TASK>
[    3.250644]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.250666]  register_netdevice (net/core/dev.c:11488)
[    3.250687]  register_netdev (net/core/dev.c:11552)
[    3.250708]  loopback_net_init (drivers/net/loopback.c:218)
[    3.250732]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    3.250761]  ops_init (net/core/net_namespace.c:137)
[    3.250784]  setup_net (net/core/net_namespace.c:446)
[    3.250807]  copy_net_ns (net/core/net_namespace.c:579)
[    3.250828]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.250857]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.250888]  ksys_unshare (kernel/fork.c:3243)
[    3.250917]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.250950]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.250974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.251004] RIP: 0033:0x7f98023e7bcb
[    3.251030] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.251119] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.251167] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    3.251204] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    3.251242] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    3.251285] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    3.251327] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    3.251445] ------------[ cut here ]------------
| [    3.251473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/159
| [    3.251519] Modules linked in:
| [    3.251603] Tainted: [W]=WARN
[    3.251621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.251656] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.251683] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.251769] RSP: 0018:ff5eafed0039fc10 EFLAGS: 00010286
[    3.251794] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.251835] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f100
[    3.251875] RBP: 0000000000000000 R08: ff156d8642ba0e90 R09: ff156d86432dd030
[    3.251921] R10: ff156d8645cb6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.251961] R13: 0000000000000010 R14: ff156d8645cb6000 R15: ff156d8642b5f100
[    3.252006] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.252054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.252087] CR2: 00007f98023e7bc0 CR3: 0000000002053006 CR4: 0000000000771ef0
[    3.252134] PKRU: 55555554
[    3.252149] Call Trace:
[    3.252163]  <TASK>
[    3.252176]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.252195]  register_netdevice (net/core/dev.c:11488)
[    3.252217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.252239]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.252261]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    3.252283]  ops_init (net/core/net_namespace.c:137)
[    3.252304]  setup_net (net/core/net_namespace.c:446)
[    3.252326]  copy_net_ns (net/core/net_namespace.c:579)
[    3.252347]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.252380]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.252406]  ksys_unshare (kernel/fork.c:3243)
[    3.252430]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.252451]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.252472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.252500] RIP: 0033:0x7f98023e7bcb
[    3.252522] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.252618] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.252653] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    3.252691] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    3.252727] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    3.252771] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    3.252807] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    3.252933] ------------[ cut here ]------------
| [    3.252962] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/159
| [    3.253008] Modules linked in:
| [    3.253088] Tainted: [W]=WARN
[    3.253109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.253140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.253167] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.253257] RSP: 0018:ff5eafed0039fbf0 EFLAGS: 00010286
[    3.253284] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.253327] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3900
[    3.253367] RBP: 0000000000000000 R08: ff156d8642b83690 R09: ff156d8645ce8830
[    3.253408] R10: ff156d8644683120 R11: fefefefefefefeff R12: 0000000000000000
[    3.253448] R13: 0000000000000010 R14: ff156d8644683000 R15: ff156d86418f3900
[    3.253489] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.253534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.253577] CR2: 00007f98023e7bc0 CR3: 0000000002053006 CR4: 0000000000771ef0
[    3.253620] PKRU: 55555554
[    3.253637] Call Trace:
[    3.253652]  <TASK>
[    3.253665]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.253684]  register_netdevice (net/core/dev.c:11488)
[    3.253706]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    3.253728]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    3.253750]  vti_init_net (net/ipv4/ip_vti.c:517)
[    3.253771]  ops_init (net/core/net_namespace.c:137)
[    3.253799]  setup_net (net/core/net_namespace.c:446)
[    3.253823]  copy_net_ns (net/core/net_namespace.c:579)
[    3.253845]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.253873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.253901]  ksys_unshare (kernel/fork.c:3243)
[    3.253923]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.253948]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.253971]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.253998] RIP: 0033:0x7f98023e7bcb
[    3.254023] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.254112] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.254155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    3.254194] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    3.254233] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    3.254274] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    3.254318] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    3.254454] ------------[ cut here ]------------
| [    3.254481] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/159
| [    3.254527] Modules linked in:
| [    3.254601] Tainted: [W]=WARN
[    3.254623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.254657] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.254684] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.254770] RSP: 0018:ff5eafed0039fca8 EFLAGS: 00010286
[    3.254803] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.254840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    3.254880] RBP: 0000000000000000 R08: ff156d8643080210 R09: ff156d8645cf3034
[    3.254923] R10: ff156d8644680120 R11: fefefefefefefeff R12: 0000000000000000
[    3.254965] R13: 0000000000000010 R14: ff156d8644680000 R15: ff156d86418f3200
[    3.255008] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.255053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.255085] CR2: 00007f98023e7bc0 CR3: 0000000002053006 CR4: 0000000000771ef0
[    3.255131] PKRU: 55555554
[    3.255143] Call Trace:
[    3.255158]  <TASK>
[    3.255177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.255198]  register_netdevice (net/core/dev.c:11488)
[    3.255224]  register_netdev (net/core/dev.c:11552)
[    3.255245]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    3.255269]  ops_init (net/core/net_namespace.c:137)
[    3.255290]  setup_net (net/core/net_namespace.c:446)
[    3.255311]  copy_net_ns (net/core/net_namespace.c:579)
[    3.255332]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.255360]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.255386]  ksys_unshare (kernel/fork.c:3243)
[    3.255407]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.255430]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.255451]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.255478] RIP: 0033:0x7f98023e7bcb
[    3.255500] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.255595] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.255635] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    3.255675] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    3.255712] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    3.255754] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    3.255794] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    3.255906] ------------[ cut here ]------------
| [    3.255932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/159
| [    3.255978] Modules linked in:
| [    3.256060] Tainted: [W]=WARN
[    3.256081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.256114] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.256141] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.256231] RSP: 0018:ff5eafed0039fca0 EFLAGS: 00010286
[    3.256258] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.256294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[    3.256333] RBP: 0000000000000000 R08: ff156d8643080250 R09: ff156d8645cf0030
[    3.256373] R10: ff156d8645cf3120 R11: fefefefefefefeff R12: 0000000000000000
[    3.256418] R13: 0000000000000010 R14: ff156d8645cf3000 R15: ff156d8641d86c00
[    3.256459] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.256503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.256538] CR2: 00007f98023e7bc0 CR3: 0000000002053006 CR4: 0000000000771ef0
[    3.256577] PKRU: 55555554
[    3.256599] Call Trace:
[    3.256613]  <TASK>
[    3.256626]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.256645]  register_netdevice (net/core/dev.c:11488)
[    3.256664]  register_netdev (net/core/dev.c:11552)
[    3.256687]  sit_init_net (net/ipv6/sit.c:1860)
[    3.256710]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    3.256731]  ops_init (net/core/net_namespace.c:137)
[    3.256750]  setup_net (net/core/net_namespace.c:446)
[    3.256771]  copy_net_ns (net/core/net_namespace.c:579)
[    3.256791]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.256818]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.256845]  ksys_unshare (kernel/fork.c:3243)
[    3.256866]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.256887]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.256909]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.256936] RIP: 0033:0x7f98023e7bcb
[    3.256957] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.257057] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.257099] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    3.257139] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    3.257179] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    3.257221] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    3.257264] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    3.257390] ------------[ cut here ]------------
| [    3.257416] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/159
| [    3.257462] Modules linked in:
| [    3.257541] Tainted: [W]=WARN
[    3.257560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.257596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.257620] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.257710] RSP: 0018:ff5eafed0039fca8 EFLAGS: 00010286
[    3.257736] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.257779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3700
[    3.257817] RBP: 0000000000000000 R08: ff156d8641d47190 R09: ff156d8645cf5030
[    3.257864] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[    3.257902] R13: 0000000000000010 R14: ff156d8645cf0000 R15: ff156d86418f3700
[    3.257943] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.257991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.258023] CR2: 00007f98023e7bc0 CR3: 0000000002053006 CR4: 0000000000771ef0
[    3.258066] PKRU: 55555554
[    3.258082] Call Trace:
[    3.258096]  <TASK>
[    3.258113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.258137]  register_netdevice (net/core/dev.c:11488)
[    3.258158]  register_netdev (net/core/dev.c:11552)
[    3.258180]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    3.258200]  ops_init (net/core/net_namespace.c:137)
[    3.258220]  setup_net (net/core/net_namespace.c:446)
[    3.258244]  copy_net_ns (net/core/net_namespace.c:579)
[    3.258266]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.258294]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.258324]  ksys_unshare (kernel/fork.c:3243)
[    3.258345]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.258367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.258388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.258421] RIP: 0033:0x7f98023e7bcb
[    3.258442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.258529] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.258570] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    3.258618] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    3.258658] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    3.258700] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    3.258741] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    3.258868] ------------[ cut here ]------------
| [    3.258895] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    3.258947] Modules linked in:
| [    3.259022] Tainted: [W]=WARN
[    3.259042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.259077] Workqueue: netns cleanup_net
[    3.259099] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.259125] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.259221] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    3.259247] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.259288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3f00
[    3.259326] RBP: 0000000000000000 R08: ff156d864324a310 R09: ff156d864467c82c
[    3.259363] R10: ff156d8644671120 R11: fefefefefefefeff R12: 0000000000000000
[    3.259407] R13: 0000000000000011 R14: ff156d8644671000 R15: ff156d86418f3f00
[    3.259451] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    3.259492] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.259525] CR2: 00007f980234c7f0 CR3: 0000000002053006 CR4: 0000000000771ef0
[    3.259568] PKRU: 55555554
[    3.259589] Call Trace:
[    3.259604]  <TASK>
[    3.259618]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.259647]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    3.259673]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    3.259699]  cleanup_net (net/core/net_namespace.c:702)
[    3.259722]  process_one_work (kernel/workqueue.c:3314)
[    3.259742]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.259764]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.259788]  kthread (kernel/kthread.c:436)
[    3.259812]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.259835]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.259864]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.259886]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.260288] ------------[ cut here ]------------
| [    4.260399] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    4.260555] Modules linked in:
| [    4.260644] Tainted: [W]=WARN
[    4.260678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.260709] Workqueue: netns cleanup_net
[    4.260746] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.260795] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.260908] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    4.261005] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.261066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3000
[    4.261112] RBP: 0000000000000000 R08: ff156d8641d47190 R09: ff156d8645cec830
[    4.261156] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[    4.261202] R13: 0000000000000011 R14: ff156d8645cf0000 R15: ff156d86418f3000
[    4.261256] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    4.261313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.261348] CR2: 00007f98023aed50 CR3: 0000000022047004 CR4: 0000000000771ef0
[    4.261405] PKRU: 55555554
[    4.261423] Call Trace:
[    4.261451]  <TASK>
[    4.261467]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.261509]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    4.261532]  cleanup_net (net/core/net_namespace.c:702)
[    4.261568]  process_one_work (kernel/workqueue.c:3314)
[    4.261594]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.261615]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.261635]  kthread (kernel/kthread.c:436)
[    4.261656]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.261699]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.261724]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.261745]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.261849] ------------[ cut here ]------------
| [    4.261908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    4.261974] Modules linked in:
| [    4.262058] Tainted: [W]=WARN
[    4.262079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.262116] Workqueue: netns cleanup_net
[    4.262152] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.262181] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.262293] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    4.262339] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.262397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    4.262443] RBP: 0000000000000000 R08: ff156d8643080250 R09: ff156d8645cef830
[    4.262500] R10: ff156d8645cf3120 R11: fefefefefefefeff R12: 0000000000000000
[    4.262546] R13: 0000000000000011 R14: ff156d8645cf3000 R15: ff156d86418f3200
[    4.262597] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    4.262653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.262694] CR2: 00007f98023aed50 CR3: 0000000022047004 CR4: 0000000000771ef0
[    4.262744] PKRU: 55555554
[    4.262759] Call Trace:
[    4.262788]  <TASK>
[    4.262800]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.262830]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    4.262861]  cleanup_net (net/core/net_namespace.c:702)
[    4.262880]  process_one_work (kernel/workqueue.c:3314)
[    4.262899]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.262922]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.262958]  kthread (kernel/kthread.c:436)
[    4.262979]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.263002]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.263044]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.263074]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.263197] ------------[ cut here ]------------
| [    4.263237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    4.263315] Modules linked in:
| [    4.263427] Tainted: [W]=WARN
[    4.263448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.263496] Workqueue: netns cleanup_net
[    4.263517] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.263552] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.263686] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    4.263710] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.263769] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    4.263817] RBP: 0000000000000000 R08: ff156d8643080210 R09: ff156d864468e834
[    4.263877] R10: ff156d8644680120 R11: fefefefefefefeff R12: 0000000000000000
[    4.263929] R13: 0000000000000011 R14: ff156d8644680000 R15: ff156d86418f3200
[    4.263988] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    4.264046] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.264082] CR2: 00007f98023aed50 CR3: 0000000022047004 CR4: 0000000000771ef0
[    4.264132] PKRU: 55555554
[    4.264146] Call Trace:
[    4.264159]  <TASK>
[    4.264174]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.264230]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    4.264258]  cleanup_net (net/core/net_namespace.c:702)
[    4.264305]  process_one_work (kernel/workqueue.c:3314)
[    4.264325]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.264357]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.264388]  kthread (kernel/kthread.c:436)
[    4.264415]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.264448]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.264468]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.264488]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.264593] ------------[ cut here ]------------
| [    4.264633] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    4.264701] Modules linked in:
| [    4.264801] Tainted: [W]=WARN
[    4.264823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.264868] Workqueue: netns cleanup_net
[    4.264889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.264929] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.265050] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    4.265089] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.265136] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    4.265175] RBP: 0000000000000000 R08: ff156d8642b83690 R09: ff156d86432cd030
[    4.265234] R10: ff156d8644683120 R11: fefefefefefefeff R12: 0000000000000000
[    4.265280] R13: 0000000000000011 R14: ff156d8644683000 R15: ff156d86418f3200
[    4.265326] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    4.265379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.265413] CR2: 00007f98023aed50 CR3: 0000000022047004 CR4: 0000000000771ef0
[    4.265475] PKRU: 55555554
[    4.265488] Call Trace:
[    4.265509]  <TASK>
[    4.265532]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.265562]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    4.265602]  cleanup_net (net/core/net_namespace.c:702)
[    4.265630]  process_one_work (kernel/workqueue.c:3314)
[    4.265659]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.265690]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.265712]  kthread (kernel/kthread.c:436)
[    4.265732]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.265780]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.265801]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.265819]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.265919] ------------[ cut here ]------------
| [    4.265949] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    4.266014] Modules linked in:
| [    4.266102] Tainted: [W]=WARN
[    4.266122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.266165] Workqueue: netns cleanup_net
[    4.266199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.266236] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.266363] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    4.266398] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.266451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    4.266507] RBP: 0000000000000000 R08: ff156d8642ba0e90 R09: ff156d86432d9030
[    4.266552] R10: ff156d8645cb6120 R11: fefefefefefefeff R12: 0000000000000000
[    4.266609] R13: 0000000000000011 R14: ff156d8645cb6000 R15: ff156d86418f3200
[    4.266647] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    4.266698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.266733] CR2: 00007f98023aed50 CR3: 0000000022047004 CR4: 0000000000771ef0
[    4.266800] PKRU: 55555554
[    4.266815] Call Trace:
[    4.266844]  <TASK>
[    4.266871]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.266900]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    4.266920]  cleanup_net (net/core/net_namespace.c:702)
[    4.266939]  process_one_work (kernel/workqueue.c:3314)
[    4.266960]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.266983]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.267016]  kthread (kernel/kthread.c:436)
[    4.267040]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.267066]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.267098]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.267119]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.269866] ------------[ cut here ]------------
| [    4.269932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/161
| [    4.269989] Modules linked in:
| [    4.270080] Tainted: [W]=WARN
[    4.270103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.270137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.270166] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.270274] RSP: 0018:ff5eafed003efcb8 EFLAGS: 00010286
[    4.270302] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.270347] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59000
[    4.270394] RBP: 0000000000000000 R08: ff156d864449b7d0 R09: ff156d864467102c
[    4.270437] R10: ff156d864317c120 R11: fefefefefefefeff R12: 0000000000000000
[    4.270483] R13: 0000000000000010 R14: ff156d864317c000 R15: ff156d8641d59000
[    4.270528] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    4.270575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.270619] CR2: 00007f98023e7bc0 CR3: 0000000003269006 CR4: 0000000000771ef0
[    4.270664] PKRU: 55555554
[    4.270680] Call Trace:
[    4.270695]  <TASK>
[    4.270709]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.270732]  register_netdevice (net/core/dev.c:11488)
[    4.270756]  register_netdev (net/core/dev.c:11552)
[    4.270781]  loopback_net_init (drivers/net/loopback.c:218)
[    4.270805]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    4.270836]  ops_init (net/core/net_namespace.c:137)
[    4.270862]  ? get_random_u32 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) drivers/char/random.c:541 (discriminator 1))
[    4.270886]  setup_net (net/core/net_namespace.c:446)
[    4.270913]  copy_net_ns (net/core/net_namespace.c:579)
[    4.270935]  create_new_namespaces (kernel/nsproxy.c:132)
[    4.270965]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    4.270997]  ksys_unshare (kernel/fork.c:3243)
[    4.271020]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    4.271045]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    4.271068]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    4.271100] RIP: 0033:0x7f98023e7bcb
[    4.271126] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    4.271227] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    4.271273] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    4.271314] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    4.271358] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    4.271404] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    4.271447] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    4.271577] ------------[ cut here ]------------
| [    4.271724] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/161
| [    4.271782] Modules linked in:
| [    4.271862] Tainted: [W]=WARN
[    4.271885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.271923] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.271953] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.272059] RSP: 0018:ff5eafed003efc10 EFLAGS: 00010286
[    4.272090] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.272132] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3600
[    4.272177] RBP: 0000000000000000 R08: ff156d8642ba0710 R09: ff156d86432eb830
[    4.272223] R10: ff156d8644671120 R11: fefefefefefefeff R12: 0000000000000000
[    4.272268] R13: 0000000000000010 R14: ff156d8644671000 R15: ff156d86418f3600
[    4.272313] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    4.272356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.272392] CR2: 00007f98023e7bc0 CR3: 0000000003269006 CR4: 0000000000771ef0
[    4.272441] PKRU: 55555554
[    4.272456] Call Trace:
[    4.272475]  <TASK>
[    4.272490]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.272514]  register_netdevice (net/core/dev.c:11488)
[    4.272537]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    4.272556]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    4.272580]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    4.272608]  ops_init (net/core/net_namespace.c:137)
[    4.272630]  ? get_random_u32 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) drivers/char/random.c:541 (discriminator 1))
[    4.272653]  setup_net (net/core/net_namespace.c:446)
[    4.272676]  copy_net_ns (net/core/net_namespace.c:579)
[    4.272697]  create_new_namespaces (kernel/nsproxy.c:132)
[    4.272726]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    4.272753]  ksys_unshare (kernel/fork.c:3243)
[    4.272781]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    4.272802]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    4.272823]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    4.272850] RIP: 0033:0x7f98023e7bcb
[    4.272873] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    4.272973] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    4.273011] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    4.273059] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    4.273102] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    4.273143] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    4.273183] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    4.273304] ------------[ cut here ]------------
| [    4.273332] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/161
| [    4.273386] Modules linked in:
| [    4.273466] Tainted: [W]=WARN
[    4.273488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.273525] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.273553] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.273652] RSP: 0018:ff5eafed003efbf0 EFLAGS: 00010286
[    4.273681] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.273726] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59c00
[    4.273773] RBP: 0000000000000000 R08: ff156d8642ba0590 R09: ff156d8644678030
[    4.273816] R10: ff156d8644670120 R11: fefefefefefefeff R12: 0000000000000000
[    4.273859] R13: 0000000000000010 R14: ff156d8644670000 R15: ff156d8641d59c00
[    4.273902] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    4.273945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.273980] CR2: 00007f98023e7bc0 CR3: 0000000003269006 CR4: 0000000000771ef0
[    4.274030] PKRU: 55555554
[    4.274043] Call Trace:
[    4.274057]  <TASK>
[    4.274070]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.274096]  register_netdevice (net/core/dev.c:11488)
[    4.274118]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    4.274138]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    4.274159]  vti_init_net (net/ipv4/ip_vti.c:517)
[    4.274180]  ops_init (net/core/net_namespace.c:137)
[    4.274200]  ? get_random_u32 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) drivers/char/random.c:541 (discriminator 1))
[    4.274225]  setup_net (net/core/net_namespace.c:446)
[    4.274249]  copy_net_ns (net/core/net_namespace.c:579)
[    4.274271]  create_new_namespaces (kernel/nsproxy.c:132)
[    4.274300]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    4.274330]  ksys_unshare (kernel/fork.c:3243)
[    4.274353]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    4.274373]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    4.274393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    4.274423] RIP: 0033:0x7f98023e7bcb
[    4.274445] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    4.274539] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    4.274581] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    4.274626] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    4.274667] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    4.274715] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    4.274758] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    4.274875] ------------[ cut here ]------------
| [    4.274900] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/161
| [    4.274950] Modules linked in:
| [    4.275038] Tainted: [W]=WARN
[    4.275060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.275096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.275125] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.275228] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    4.275255] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.275297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59400
[    4.275338] RBP: 0000000000000000 R08: ff156d8642ba0650 R09: ff156d8645cf6034
[    4.275376] R10: ff156d8645cf7120 R11: fefefefefefefeff R12: 0000000000000000
[    4.275421] R13: 0000000000000010 R14: ff156d8645cf7000 R15: ff156d8641d59400
[    4.275468] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    4.275512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.275542] CR2: 00007f98023e7bc0 CR3: 0000000003269006 CR4: 0000000000771ef0
[    4.275590] PKRU: 55555554
[    4.275600] Call Trace:
[    4.275616]  <TASK>
[    4.275629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.275656]  register_netdevice (net/core/dev.c:11488)
[    4.275677]  register_netdev (net/core/dev.c:11552)
[    4.275697]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    4.275721]  ops_init (net/core/net_namespace.c:137)
[    4.275743]  ? get_random_u32 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) drivers/char/random.c:541 (discriminator 1))
[    4.275770]  setup_net (net/core/net_namespace.c:446)
[    4.275793]  copy_net_ns (net/core/net_namespace.c:579)
[    4.275817]  create_new_namespaces (kernel/nsproxy.c:132)
[    4.275848]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    4.275876]  ksys_unshare (kernel/fork.c:3243)
[    4.275896]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    4.275920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    4.275943]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    4.275971] RIP: 0033:0x7f98023e7bcb
[    4.275992] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    4.276100] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    4.276142] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    4.276185] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    4.276228] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    4.276270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    4.276311] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    4.276426] ------------[ cut here ]------------
| [    4.276459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    4.276520] Modules linked in:
| [    4.276596] Tainted: [W]=WARN
[    4.276617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.276654] Workqueue: netns cleanup_net
[    4.276677] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.276708] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.276811] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    4.276840] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.276886] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    4.276935] RBP: 0000000000000000 R08: ff156d8642ba0c10 R09: ff156d864468b02c
[    4.276983] R10: ff156d8644687120 R11: fefefefefefefeff R12: 0000000000000000
[    4.277016] R13: 0000000000000011 R14: ff156d8644687000 R15: ff156d86418f3200
[    4.277064] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    4.277109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.277142] CR2: 00007f98023aed50 CR3: 0000000022047004 CR4: 0000000000771ef0
[    4.277186] PKRU: 55555554
[    4.277201] Call Trace:
[    4.277217]  <TASK>
[    4.277231]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.277261]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    4.277291]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    4.277313]  cleanup_net (net/core/net_namespace.c:702)
[    4.277336]  process_one_work (kernel/workqueue.c:3314)
[    4.277359]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.277383]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.277406]  kthread (kernel/kthread.c:436)
[    4.277431]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.277453]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.277476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.277495]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.277674] ------------[ cut here ]------------
| [    4.277705] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/161
| [    4.277759] Modules linked in:
| [    4.277845] Tainted: [W]=WARN
[    4.277868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.277900] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.277930] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.278038] RSP: 0018:ff5eafed003efca0 EFLAGS: 00010286
[    4.278066] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.278114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fb00
[    4.278155] RBP: 0000000000000000 R08: ff156d8642ba06d0 R09: ff156d8644680030
[    4.278204] R10: ff156d8645cf6120 R11: fefefefefefefeff R12: 0000000000000000
[    4.278249] R13: 0000000000000010 R14: ff156d8645cf6000 R15: ff156d8642b5fb00
[    4.278291] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    4.278327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.278365] CR2: 00007f98023e7bc0 CR3: 0000000003269006 CR4: 0000000000771ef0
[    4.278407] PKRU: 55555554
[    4.278422] Call Trace:
[    4.278436]  <TASK>
[    4.278450]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.278473]  register_netdevice (net/core/dev.c:11488)
[    4.278491]  register_netdev (net/core/dev.c:11552)
[    4.278514]  sit_init_net (net/ipv6/sit.c:1860)
[    4.278540]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    4.278562]  ops_init (net/core/net_namespace.c:137)
[    4.278585]  ? get_random_u32 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) drivers/char/random.c:541 (discriminator 1))
[    4.278610]  setup_net (net/core/net_namespace.c:446)
[    4.278633]  copy_net_ns (net/core/net_namespace.c:579)
[    4.278659]  create_new_namespaces (kernel/nsproxy.c:132)
[    4.278688]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    4.278718]  ksys_unshare (kernel/fork.c:3243)
[    4.278738]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    4.278760]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    4.278780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    4.278808] RIP: 0033:0x7f98023e7bcb
[    4.278831] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    4.278921] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    4.278964] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    4.279010] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    4.279059] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    4.279102] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    4.279140] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    4.279259] ------------[ cut here ]------------
| [    4.279286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/161
| [    4.279335] Modules linked in:
| [    4.279411] Tainted: [W]=WARN
[    4.279433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.279466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.279495] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.279599] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    4.279630] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.279673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326ff00
[    4.279722] RBP: 0000000000000000 R08: ff156d8642ba0110 R09: ff156d8645cb5030
[    4.279765] R10: ff156d8644680120 R11: fefefefefefefeff R12: 0000000000000000
[    4.279811] R13: 0000000000000010 R14: ff156d8644680000 R15: ff156d864326ff00
[    4.279855] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    4.279899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.279936] CR2: 00007f98023e7bc0 CR3: 0000000003269006 CR4: 0000000000771ef0
[    4.279978] PKRU: 55555554
[    4.279993] Call Trace:
[    4.280008]  <TASK>
[    4.280021]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.280045]  register_netdevice (net/core/dev.c:11488)
[    4.280068]  register_netdev (net/core/dev.c:11552)
[    4.280087]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    4.280111]  ops_init (net/core/net_namespace.c:137)
[    4.280136]  ? get_random_u32 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) drivers/char/random.c:541 (discriminator 1))
[    4.280159]  setup_net (net/core/net_namespace.c:446)
[    4.280183]  copy_net_ns (net/core/net_namespace.c:579)
[    4.280205]  create_new_namespaces (kernel/nsproxy.c:132)
[    4.280235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    4.280266]  ksys_unshare (kernel/fork.c:3243)
[    4.280287]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    4.280307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    4.280331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    4.280357] RIP: 0033:0x7f98023e7bcb
[    4.280378] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    4.280480] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    4.280524] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    4.280564] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    4.280609] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    4.280651] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    4.280693] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    5.281115] ------------[ cut here ]------------
| [    5.281243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    5.281328] Modules linked in:
| [    5.281415] Tainted: [W]=WARN
[    5.281436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.281469] Workqueue: netns cleanup_net
[    5.281509] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.281552] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.281667] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    5.281695] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.281749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    5.281824] RBP: 0000000000000000 R08: ff156d8642ba0110 R09: ff156d8645cc1030
[    5.281867] R10: ff156d8644680120 R11: fefefefefefefeff R12: 0000000000000000
[    5.281910] R13: 0000000000000011 R14: ff156d8644680000 R15: ff156d86418f3200
[    5.281965] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    5.282010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.282070] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    5.282124] PKRU: 55555554
[    5.282142] Call Trace:
[    5.282164]  <TASK>
[    5.282190]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.282223]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.282248]  cleanup_net (net/core/net_namespace.c:702)
[    5.282281]  process_one_work (kernel/workqueue.c:3314)
[    5.282305]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.282338]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.282360]  kthread (kernel/kthread.c:436)
[    5.282398]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.282420]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.282445]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.282469]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.282608] ------------[ cut here ]------------
| [    5.282660] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    5.282743] Modules linked in:
| [    5.282846] Tainted: [W]=WARN
[    5.282868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.282923] Workqueue: netns cleanup_net
[    5.282958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.282991] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.283098] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    5.283133] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.283179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    5.283244] RBP: 0000000000000000 R08: ff156d8642ba06d0 R09: ff156d8645cc4030
[    5.283314] R10: ff156d8645cf6120 R11: fefefefefefefeff R12: 0000000000000000
[    5.283357] R13: 0000000000000011 R14: ff156d8645cf6000 R15: ff156d86418f3200
[    5.283397] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    5.283463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.283514] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    5.283553] PKRU: 55555554
[    5.283572] Call Trace:
[    5.283607]  <TASK>
[    5.283637]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.283677]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.283712]  cleanup_net (net/core/net_namespace.c:702)
[    5.283732]  process_one_work (kernel/workqueue.c:3314)
[    5.283756]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.283782]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.283811]  kthread (kernel/kthread.c:436)
[    5.283843]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.283866]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.283889]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.283926]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.284047] ------------[ cut here ]------------
| [    5.284090] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    5.284142] Modules linked in:
| [    5.284241] Tainted: [W]=WARN
[    5.284283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.284322] Workqueue: netns cleanup_net
[    5.284355] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.284385] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.284506] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    5.284541] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.284581] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    5.284640] RBP: 0000000000000000 R08: ff156d8642ba0650 R09: ff156d86430f5034
[    5.284682] R10: ff156d8645cf7120 R11: fefefefefefefeff R12: 0000000000000000
[    5.284734] R13: 0000000000000011 R14: ff156d8645cf7000 R15: ff156d86418f3200
[    5.284802] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    5.284857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.284911] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    5.284953] PKRU: 55555554
[    5.284985] Call Trace:
[    5.285000]  <TASK>
[    5.285013]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.285043]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.285077]  cleanup_net (net/core/net_namespace.c:702)
[    5.285098]  process_one_work (kernel/workqueue.c:3314)
[    5.285118]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.285148]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.285185]  kthread (kernel/kthread.c:436)
[    5.285206]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.285227]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.285247]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.285268]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.285394] ------------[ cut here ]------------
| [    5.285432] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    5.285488] Modules linked in:
| [    5.285584] Tainted: [W]=WARN
[    5.285608] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.285640] Workqueue: netns cleanup_net
[    5.285664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.285690] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.285802] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    5.285844] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.285903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    5.285941] RBP: 0000000000000000 R08: ff156d8642ba0590 R09: ff156d864467c030
[    5.285996] R10: ff156d8644670120 R11: fefefefefefefeff R12: 0000000000000000
[    5.286059] R13: 0000000000000011 R14: ff156d8644670000 R15: ff156d86418f3200
[    5.286106] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    5.286151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.286197] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    5.286258] PKRU: 55555554
[    5.286271] Call Trace:
[    5.286284]  <TASK>
[    5.286311]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.286353]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.286383]  cleanup_net (net/core/net_namespace.c:702)
[    5.286416]  process_one_work (kernel/workqueue.c:3314)
[    5.286438]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.286458]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.286479]  kthread (kernel/kthread.c:436)
[    5.286510]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.286542]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.286566]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.286587]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.286684] ------------[ cut here ]------------
| [    5.286740] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    5.286803] Modules linked in:
| [    5.286905] Tainted: [W]=WARN
[    5.286936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.286973] Workqueue: netns cleanup_net
[    5.286996] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.287053] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.287191] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    5.287217] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.287279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    5.287319] RBP: 0000000000000000 R08: ff156d8642ba0710 R09: ff156d86432de830
[    5.287388] R10: ff156d8644671120 R11: fefefefefefefeff R12: 0000000000000000
[    5.287428] R13: 0000000000000011 R14: ff156d8644671000 R15: ff156d86418f3200
[    5.287470] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    5.287514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.287573] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    5.287617] PKRU: 55555554
[    5.287630] Call Trace:
[    5.287643]  <TASK>
[    5.287656]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.287683]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    5.287707]  cleanup_net (net/core/net_namespace.c:702)
[    5.287729]  process_one_work (kernel/workqueue.c:3314)
[    5.287748]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.287778]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.287798]  kthread (kernel/kthread.c:436)
[    5.287819]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.287867]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.287899]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.287932]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    5.292483] ------------[ cut here ]------------
| [    5.292555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/163
| [    5.292612] Modules linked in:
| [    5.292692] Tainted: [W]=WARN
[    5.292716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.292751] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.292781] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.292877] RSP: 0018:ff5eafed002bbcb8 EFLAGS: 00010286
[    5.292908] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.292951] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fe00
[    5.292993] RBP: 0000000000000000 R08: ff156d8641944250 R09: ff156d864317f02c
[    5.293039] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[    5.293081] R13: 0000000000000010 R14: ff156d8645cf1000 R15: ff156d864326fe00
[    5.293122] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    5.293165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.293199] CR2: 00007f98023e7bc0 CR3: 00000000045cb006 CR4: 0000000000771ef0
[    5.293241] PKRU: 55555554
[    5.293254] Call Trace:
[    5.293268]  <TASK>
[    5.293285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.293309]  register_netdevice (net/core/dev.c:11488)
[    5.293336]  register_netdev (net/core/dev.c:11552)
[    5.293360]  loopback_net_init (drivers/net/loopback.c:218)
[    5.293384]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    5.293414]  ops_init (net/core/net_namespace.c:137)
[    5.293437]  setup_net (net/core/net_namespace.c:446)
[    5.293460]  copy_net_ns (net/core/net_namespace.c:579)
[    5.293482]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.293517]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.293548]  ksys_unshare (kernel/fork.c:3243)
[    5.293572]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.293600]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.293622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.293652] RIP: 0033:0x7f98023e7bcb
[    5.293674] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.293768] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.293815] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    5.293857] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    5.293894] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    5.293936] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    5.293975] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    5.294102] ------------[ cut here ]------------
| [    5.294131] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/163
| [    5.294182] Modules linked in:
| [    5.294261] Tainted: [W]=WARN
[    5.294284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.294321] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.294350] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.294450] RSP: 0018:ff5eafed002bbc10 EFLAGS: 00010286
[    5.294477] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.294516] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fa00
[    5.294554] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d864467c030
[    5.294602] R10: ff156d864317f120 R11: fefefefefefefeff R12: 0000000000000000
[    5.294645] R13: 0000000000000010 R14: ff156d864317f000 R15: ff156d8642b5fa00
[    5.294686] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    5.294727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.294761] CR2: 00007f98023e7bc0 CR3: 00000000045cb006 CR4: 0000000000771ef0
[    5.294806] PKRU: 55555554
[    5.294821] Call Trace:
[    5.294835]  <TASK>
[    5.294852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.294875]  register_netdevice (net/core/dev.c:11488)
[    5.294898]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.294923]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.294947]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    5.294976]  ops_init (net/core/net_namespace.c:137)
[    5.294998]  setup_net (net/core/net_namespace.c:446)
[    5.295021]  copy_net_ns (net/core/net_namespace.c:579)
[    5.295048]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.295078]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.295109]  ksys_unshare (kernel/fork.c:3243)
[    5.295130]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.295153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.295175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.295204] RIP: 0033:0x7f98023e7bcb
[    5.295223] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.295322] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.295361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    5.295405] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    5.295448] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    5.295490] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    5.295533] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    5.295643] ------------[ cut here ]------------
| [    5.295672] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/163
| [    5.295719] Modules linked in:
| [    5.295795] Tainted: [W]=WARN
[    5.295817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.295854] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.295881] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.295973] RSP: 0018:ff5eafed002bbbf0 EFLAGS: 00010286
[    5.296001] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.296045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59a00
[    5.296085] RBP: 0000000000000000 R08: ff156d8641944350 R09: ff156d86432e9830
[    5.296124] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[    5.296166] R13: 0000000000000010 R14: ff156d864200e000 R15: ff156d8641d59a00
[    5.296206] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    5.296248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.296281] CR2: 00007f98023e7bc0 CR3: 00000000045cb006 CR4: 0000000000771ef0
[    5.296321] PKRU: 55555554
[    5.296339] Call Trace:
[    5.296353]  <TASK>
[    5.296367]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.296387]  register_netdevice (net/core/dev.c:11488)
[    5.296410]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    5.296432]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    5.296455]  vti_init_net (net/ipv4/ip_vti.c:517)
[    5.296477]  ops_init (net/core/net_namespace.c:137)
[    5.296500]  setup_net (net/core/net_namespace.c:446)
[    5.296525]  copy_net_ns (net/core/net_namespace.c:579)
[    5.296552]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.296581]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.296614]  ksys_unshare (kernel/fork.c:3243)
[    5.296633]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.296652]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.296674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.296701] RIP: 0033:0x7f98023e7bcb
[    5.296720] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.296813] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.296854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    5.296893] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    5.296935] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    5.296973] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    5.297013] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    5.297134] ------------[ cut here ]------------
| [    5.297165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/163
| [    5.297211] Modules linked in:
| [    5.297289] Tainted: [W]=WARN
[    5.297311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.297342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.297370] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.297459] RSP: 0018:ff5eafed002bbca8 EFLAGS: 00010286
[    5.297485] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.297525] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59000
[    5.297564] RBP: 0000000000000000 R08: ff156d8641944410 R09: ff156d8644682034
[    5.297612] R10: ff156d864200d120 R11: fefefefefefefeff R12: 0000000000000000
[    5.297651] R13: 0000000000000010 R14: ff156d864200d000 R15: ff156d8641d59000
[    5.297691] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    5.297734] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.297774] CR2: 00007f98023e7bc0 CR3: 00000000045cb006 CR4: 0000000000771ef0
[    5.297815] PKRU: 55555554
[    5.297828] Call Trace:
[    5.297842]  <TASK>
[    5.297858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.297881]  register_netdevice (net/core/dev.c:11488)
[    5.297904]  register_netdev (net/core/dev.c:11552)
[    5.297925]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    5.297949]  ops_init (net/core/net_namespace.c:137)
[    5.297972]  setup_net (net/core/net_namespace.c:446)
[    5.297995]  copy_net_ns (net/core/net_namespace.c:579)
[    5.298016]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.298053]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.298085]  ksys_unshare (kernel/fork.c:3243)
[    5.298111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.298132]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.298153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.298181] RIP: 0033:0x7f98023e7bcb
[    5.298205] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.298298] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.298336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    5.298375] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    5.298419] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    5.298458] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    5.298498] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    5.298625] ------------[ cut here ]------------
| [    5.298652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/163
| [    5.298696] Modules linked in:
| [    5.298780] Tainted: [W]=WARN
[    5.298799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.298836] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.298860] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.298955] RSP: 0018:ff5eafed002bbca0 EFLAGS: 00010286
[    5.298981] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.299022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3300
[    5.299065] RBP: 0000000000000000 R08: ff156d8642b53850 R09: ff156d8645cb7030
[    5.299107] R10: ff156d8644682120 R11: fefefefefefefeff R12: 0000000000000000
[    5.299147] R13: 0000000000000010 R14: ff156d8644682000 R15: ff156d86418f3300
[    5.299186] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    5.299230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.299264] CR2: 00007f98023e7bc0 CR3: 00000000045cb006 CR4: 0000000000771ef0
[    5.299303] PKRU: 55555554
[    5.299317] Call Trace:
[    5.299333]  <TASK>
[    5.299350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.299372]  register_netdevice (net/core/dev.c:11488)
[    5.299393]  register_netdev (net/core/dev.c:11552)
[    5.299414]  sit_init_net (net/ipv6/sit.c:1860)
[    5.299436]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    5.299459]  ops_init (net/core/net_namespace.c:137)
[    5.299482]  setup_net (net/core/net_namespace.c:446)
[    5.299504]  copy_net_ns (net/core/net_namespace.c:579)
[    5.299525]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.299554]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.299581]  ksys_unshare (kernel/fork.c:3243)
[    5.299604]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.299628]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.299651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.299678] RIP: 0033:0x7f98023e7bcb
[    5.299699] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.299793] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.299832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    5.299876] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    5.299921] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    5.299965] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    5.300008] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    5.300151] ------------[ cut here ]------------
| [    5.300183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/163
| [    5.300234] Modules linked in:
| [    5.300311] Tainted: [W]=WARN
[    5.300333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.300366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.300397] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.300495] RSP: 0018:ff5eafed002bbca8 EFLAGS: 00010286
[    5.300525] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.300563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59b00
[    5.300603] RBP: 0000000000000000 R08: ff156d8641944690 R09: ff156d8645ccb030
[    5.300643] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[    5.300684] R13: 0000000000000010 R14: ff156d8645cb7000 R15: ff156d8641d59b00
[    5.300724] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    5.300768] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.300806] CR2: 00007f98023e7bc0 CR3: 00000000045cb006 CR4: 0000000000771ef0
[    5.300846] PKRU: 55555554
[    5.300862] Call Trace:
[    5.300874]  <TASK>
[    5.300890]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    5.300913]  register_netdevice (net/core/dev.c:11488)
[    5.300934]  register_netdev (net/core/dev.c:11552)
[    5.300957]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    5.300980]  ops_init (net/core/net_namespace.c:137)
[    5.301003]  setup_net (net/core/net_namespace.c:446)
[    5.301030]  copy_net_ns (net/core/net_namespace.c:579)
[    5.301055]  create_new_namespaces (kernel/nsproxy.c:132)
[    5.301083]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    5.301114]  ksys_unshare (kernel/fork.c:3243)
[    5.301135]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    5.301155]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    5.301179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    5.301206] RIP: 0033:0x7f98023e7bcb
[    5.301230] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    5.301322] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    5.301367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    5.301407] RDX: 0000000000406360 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    5.301450] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    5.301489] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    5.301530] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    5.306054] ------------[ cut here ]------------
| [    5.306097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    5.306148] Modules linked in:
| [    5.306224] Tainted: [W]=WARN
[    5.306244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    5.306278] Workqueue: netns cleanup_net
[    5.306300] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    5.306328] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    5.306421] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    5.306451] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    5.306491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    5.306533] RBP: 0000000000000000 R08: ff156d864449b7d0 R09: ff156d86430f082c
[    5.306570] R10: ff156d864317c120 R11: fefefefefefefeff R12: 0000000000000000
[    5.306624] R13: 0000000000000011 R14: ff156d864317c000 R15: ff156d86418f3200
[    5.306666] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    5.306706] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    5.306743] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    5.306785] PKRU: 55555554
[    5.306801] Call Trace:
[    5.306815]  <TASK>
[    5.306829]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    5.306856]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    5.306883]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    5.306908]  cleanup_net (net/core/net_namespace.c:702)
[    5.306931]  process_one_work (kernel/workqueue.c:3314)
[    5.306951]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    5.306972]  ? rescuer_thread (kernel/workqueue.c:3672)
[    5.306995]  kthread (kernel/kthread.c:436)
[    5.307019]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.307043]  ret_from_fork (arch/x86/kernel/process.c:158)
[    5.307068]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    5.307089]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.302082] ------------[ cut here ]------------
| [    6.302188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    6.302287] Modules linked in:
| [    6.302391] Tainted: [W]=WARN
[    6.302412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.302457] Workqueue: netns cleanup_net
[    6.302484] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.302514] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.302711] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.302751] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.302821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.302862] RBP: 0000000000000000 R08: ff156d8641944690 R09: ff156d8645ce9830
[    6.302919] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[    6.302962] R13: 0000000000000011 R14: ff156d8645cb7000 R15: ff156d86418f3200
[    6.303031] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.303087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.303129] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    6.303185] PKRU: 55555554
[    6.303201] Call Trace:
[    6.303224]  <TASK>
[    6.303242]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.303282]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.303319]  cleanup_net (net/core/net_namespace.c:702)
[    6.303342]  process_one_work (kernel/workqueue.c:3314)
[    6.303382]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.303405]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.303433]  kthread (kernel/kthread.c:436)
[    6.303472]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.303495]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.303517]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.303542]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.303706] ------------[ cut here ]------------
| [    6.303751] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    6.303820] Modules linked in:
| [    6.303916] Tainted: [W]=WARN
[    6.303936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.303975] Workqueue: netns cleanup_net
[    6.303994] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.304037] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.304147] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.304185] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.304230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.304284] RBP: 0000000000000000 R08: ff156d8642b53850 R09: ff156d864468f030
[    6.304332] R10: ff156d8644682120 R11: fefefefefefefeff R12: 0000000000000000
[    6.304386] R13: 0000000000000011 R14: ff156d8644682000 R15: ff156d86418f3200
[    6.304438] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.304498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.304529] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    6.304575] PKRU: 55555554
[    6.304587] Call Trace:
[    6.304611]  <TASK>
[    6.304633]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.304675]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.304699]  cleanup_net (net/core/net_namespace.c:702)
[    6.304721]  process_one_work (kernel/workqueue.c:3314)
[    6.304752]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.304770]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.304799]  kthread (kernel/kthread.c:436)
[    6.304830]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.304851]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.304881]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.304906]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.305046] ------------[ cut here ]------------
| [    6.305077] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    6.305181] Modules linked in:
| [    6.305276] Tainted: [W]=WARN
[    6.305299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.305347] Workqueue: netns cleanup_net
[    6.305368] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.305398] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.305511] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.305546] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.305599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.305659] RBP: 0000000000000000 R08: ff156d8641944410 R09: ff156d8645cc1034
[    6.305700] R10: ff156d864200d120 R11: fefefefefefefeff R12: 0000000000000000
[    6.305752] R13: 0000000000000011 R14: ff156d864200d000 R15: ff156d86418f3200
[    6.305805] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.305864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.305898] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    6.305952] PKRU: 55555554
[    6.305969] Call Trace:
[    6.305991]  <TASK>
[    6.306011]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.306044]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.306075]  cleanup_net (net/core/net_namespace.c:702)
[    6.306099]  process_one_work (kernel/workqueue.c:3314)
[    6.306119]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.306156]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.306180]  kthread (kernel/kthread.c:436)
[    6.306202]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.306233]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.306255]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.306274]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.306405] ------------[ cut here ]------------
| [    6.306430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    6.306479] Modules linked in:
| [    6.306586] Tainted: [W]=WARN
[    6.306627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.306692] Workqueue: netns cleanup_net
[    6.306713] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.306740] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.306861] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.306899] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.306947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.307006] RBP: 0000000000000000 R08: ff156d8641944350 R09: ff156d864467d830
[    6.307045] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[    6.307101] R13: 0000000000000011 R14: ff156d864200e000 R15: ff156d86418f3200
[    6.307140] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.307199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.307249] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    6.307305] PKRU: 55555554
[    6.307321] Call Trace:
[    6.307337]  <TASK>
[    6.307348]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.307389]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.307412]  cleanup_net (net/core/net_namespace.c:702)
[    6.307434]  process_one_work (kernel/workqueue.c:3314)
[    6.307464]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.307494]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.307521]  kthread (kernel/kthread.c:436)
[    6.307555]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.307574]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.307610]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.307643]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.307763] ------------[ cut here ]------------
| [    6.307790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    6.307851] Modules linked in:
| [    6.307936] Tainted: [W]=WARN
[    6.307957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.308002] Workqueue: netns cleanup_net
[    6.308039] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.308065] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.308180] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.308208] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.308262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.308302] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d8645cc4830
[    6.308346] R10: ff156d864317f120 R11: fefefefefefefeff R12: 0000000000000000
[    6.308397] R13: 0000000000000011 R14: ff156d864317f000 R15: ff156d86418f3200
[    6.308451] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.308496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.308552] CR2: 00005569a83ce070 CR3: 0000000022047004 CR4: 0000000000771ef0
[    6.308590] PKRU: 55555554
[    6.308606] Call Trace:
[    6.308628]  <TASK>
[    6.308652]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.308697]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.308718]  cleanup_net (net/core/net_namespace.c:702)
[    6.308751]  process_one_work (kernel/workqueue.c:3314)
[    6.308772]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.308810]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.308832]  kthread (kernel/kthread.c:436)
[    6.308868]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.308890]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.308909]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.308949]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.312971] ------------[ cut here ]------------
| [    6.313013] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/165
| [    6.313076] Modules linked in:
| [    6.313160] Tainted: [W]=WARN
[    6.313196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.313233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.313262] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.313356] RSP: 0018:ff5eafed00337cb8 EFLAGS: 00010286
[    6.313383] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.313422] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fe00
[    6.313461] RBP: 0000000000000000 R08: ff156d864445e390 R09: ff156d8645cb002c
[    6.313500] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[    6.313541] R13: 0000000000000010 R14: ff156d8644676000 R15: ff156d864326fe00
[    6.313583] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    6.313628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.313662] CR2: 00007f98023e7bc0 CR3: 0000000003269001 CR4: 0000000000771ef0
[    6.313703] PKRU: 55555554
[    6.313718] Call Trace:
[    6.313735]  <TASK>
[    6.313751]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.313772]  register_netdevice (net/core/dev.c:11488)
[    6.313793]  register_netdev (net/core/dev.c:11552)
[    6.313812]  loopback_net_init (drivers/net/loopback.c:218)
[    6.313841]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    6.313871]  ops_init (net/core/net_namespace.c:137)
[    6.313894]  setup_net (net/core/net_namespace.c:446)
[    6.313915]  copy_net_ns (net/core/net_namespace.c:579)
[    6.313935]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.313966]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.313995]  ksys_unshare (kernel/fork.c:3243)
[    6.314017]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.314044]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.314068]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.314099] RIP: 0033:0x7f98023e7bcb
[    6.314121] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.314218] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.314258] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.314298] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.314340] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.314384] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.314421] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.314552] ------------[ cut here ]------------
| [    6.314580] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/165
| [    6.314630] Modules linked in:
| [    6.314704] Tainted: [W]=WARN
[    6.314722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.314753] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.314777] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.314872] RSP: 0018:ff5eafed00337c10 EFLAGS: 00010286
[    6.314899] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.314944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59500
[    6.314984] RBP: 0000000000000000 R08: ff156d864445e410 R09: ff156d864467f030
[    6.315023] R10: ff156d8645cb0120 R11: fefefefefefefeff R12: 0000000000000000
[    6.315069] R13: 0000000000000010 R14: ff156d8645cb0000 R15: ff156d8641d59500
[    6.315111] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    6.315151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.315184] CR2: 00007f98023e7bc0 CR3: 0000000003269001 CR4: 0000000000771ef0
[    6.315224] PKRU: 55555554
[    6.315238] Call Trace:
[    6.315250]  <TASK>
[    6.315262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.315283]  register_netdevice (net/core/dev.c:11488)
[    6.315303]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.315324]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.315348]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    6.315371]  ops_init (net/core/net_namespace.c:137)
[    6.315393]  setup_net (net/core/net_namespace.c:446)
[    6.315414]  copy_net_ns (net/core/net_namespace.c:579)
[    6.315434]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.315462]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.315489]  ksys_unshare (kernel/fork.c:3243)
[    6.315509]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.315532]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.315554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.315581] RIP: 0033:0x7f98023e7bcb
[    6.315607] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.315694] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.315734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.315776] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.315817] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.315858] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.315902] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.316020] ------------[ cut here ]------------
| [    6.316049] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/165
| [    6.316095] Modules linked in:
| [    6.316168] Tainted: [W]=WARN
[    6.316190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.316221] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.316249] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.316336] RSP: 0018:ff5eafed00337bf0 EFLAGS: 00010286
[    6.316363] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.316400] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59a00
[    6.316438] RBP: 0000000000000000 R08: ff156d864445e490 R09: ff156d8645cef830
[    6.316477] R10: ff156d8641180120 R11: fefefefefefefeff R12: 0000000000000000
[    6.316521] R13: 0000000000000010 R14: ff156d8641180000 R15: ff156d8641d59a00
[    6.316558] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    6.316603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.316643] CR2: 00007f98023e7bc0 CR3: 0000000003269001 CR4: 0000000000771ef0
[    6.316682] PKRU: 55555554
[    6.316698] Call Trace:
[    6.316716]  <TASK>
[    6.316732]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.316752]  register_netdevice (net/core/dev.c:11488)
[    6.316774]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.316797]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.316818]  vti_init_net (net/ipv4/ip_vti.c:517)
[    6.316837]  ops_init (net/core/net_namespace.c:137)
[    6.316858]  setup_net (net/core/net_namespace.c:446)
[    6.316878]  copy_net_ns (net/core/net_namespace.c:579)
[    6.316901]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.316928]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.316954]  ksys_unshare (kernel/fork.c:3243)
[    6.316975]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.316997]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.317021]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.317050] RIP: 0033:0x7f98023e7bcb
[    6.317071] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.317159] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.317198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.317239] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.317284] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.317320] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.317358] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.317477] ------------[ cut here ]------------
| [    6.317504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/165
| [    6.317557] Modules linked in:
| [    6.317634] Tainted: [W]=WARN
[    6.317654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.317684] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.317709] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.317811] RSP: 0018:ff5eafed00337ca8 EFLAGS: 00010286
[    6.317836] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.317873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59000
[    6.317910] RBP: 0000000000000000 R08: ff156d864445e550 R09: ff156d8644673034
[    6.317946] R10: ff156d864317e120 R11: fefefefefefefeff R12: 0000000000000000
[    6.317983] R13: 0000000000000010 R14: ff156d864317e000 R15: ff156d8641d59000
[    6.318030] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    6.318071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.318104] CR2: 00007f98023e7bc0 CR3: 0000000003269001 CR4: 0000000000771ef0
[    6.318144] PKRU: 55555554
[    6.318159] Call Trace:
[    6.318171]  <TASK>
[    6.318184]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.318205]  register_netdevice (net/core/dev.c:11488)
[    6.318229]  register_netdev (net/core/dev.c:11552)
[    6.318254]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    6.318276]  ops_init (net/core/net_namespace.c:137)
[    6.318301]  setup_net (net/core/net_namespace.c:446)
[    6.318321]  copy_net_ns (net/core/net_namespace.c:579)
[    6.318342]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.318369]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.318400]  ksys_unshare (kernel/fork.c:3243)
[    6.318421]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.318447]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.318468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.318499] RIP: 0033:0x7f98023e7bcb
[    6.318520] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.318613] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.318654] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.318694] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.318737] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.318779] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.318818] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.318934] ------------[ cut here ]------------
| [    6.318960] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/165
| [    6.319011] Modules linked in:
| [    6.319094] Tainted: [W]=WARN
[    6.319117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.319151] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.319176] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.319268] RSP: 0018:ff5eafed00337ca0 EFLAGS: 00010286
[    6.319295] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.319336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3300
[    6.319373] RBP: 0000000000000000 R08: ff156d864445e750 R09: ff156d8644670030
[    6.319414] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[    6.319454] R13: 0000000000000010 R14: ff156d8644673000 R15: ff156d86418f3300
[    6.319494] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    6.319537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.319570] CR2: 00007f98023e7bc0 CR3: 0000000003269001 CR4: 0000000000771ef0
[    6.319610] PKRU: 55555554
[    6.319624] Call Trace:
[    6.319636]  <TASK>
[    6.319648]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.319669]  register_netdevice (net/core/dev.c:11488)
[    6.319691]  register_netdev (net/core/dev.c:11552)
[    6.319712]  sit_init_net (net/ipv6/sit.c:1860)
[    6.319735]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    6.319757]  ops_init (net/core/net_namespace.c:137)
[    6.319779]  setup_net (net/core/net_namespace.c:446)
[    6.319801]  copy_net_ns (net/core/net_namespace.c:579)
[    6.319822]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.319852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.319878]  ksys_unshare (kernel/fork.c:3243)
[    6.319899]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.319920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.319941]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.319969] RIP: 0033:0x7f98023e7bcb
[    6.319991] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.320078] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.320121] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.320167] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.320206] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.320246] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.320287] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.320404] ------------[ cut here ]------------
| [    6.320430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/165
| [    6.320473] Modules linked in:
| [    6.320551] Tainted: [W]=WARN
[    6.320570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.320613] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.320641] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.320738] RSP: 0018:ff5eafed00337ca8 EFLAGS: 00010286
[    6.320767] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.320806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59b00
[    6.320845] RBP: 0000000000000000 R08: ff156d864445e7d0 R09: ff156d8644680030
[    6.320883] R10: ff156d8644670120 R11: fefefefefefefeff R12: 0000000000000000
[    6.320919] R13: 0000000000000010 R14: ff156d8644670000 R15: ff156d8641d59b00
[    6.320958] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[    6.320998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.321038] CR2: 00007f98023e7bc0 CR3: 0000000003269001 CR4: 0000000000771ef0
[    6.321082] PKRU: 55555554
[    6.321095] Call Trace:
[    6.321107]  <TASK>
[    6.321124]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.321146]  register_netdevice (net/core/dev.c:11488)
[    6.321168]  register_netdev (net/core/dev.c:11552)
[    6.321190]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    6.321212]  ops_init (net/core/net_namespace.c:137)
[    6.321231]  setup_net (net/core/net_namespace.c:446)
[    6.321253]  copy_net_ns (net/core/net_namespace.c:579)
[    6.321273]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.321299]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.321327]  ksys_unshare (kernel/fork.c:3243)
[    6.321349]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.321370]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.321392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.321422] RIP: 0033:0x7f98023e7bcb
[    6.321442] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.321533] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.321573] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.321616] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.321652] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.321692] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.321732] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.330379] ------------[ cut here ]------------
| [    6.330420] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/167
| [    6.330467] Modules linked in:
| [    6.330548] Tainted: [W]=WARN
[    6.330570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.330608] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.330634] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.330724] RSP: 0018:ff5eafed002a3cb8 EFLAGS: 00010286
[    6.330753] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.330792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.330830] RBP: 0000000000000000 R08: ff156d8642ba09d0 R09: ff156d8645cb302c
[    6.330872] R10: ff156d8645cb5120 R11: fefefefefefefeff R12: 0000000000000000
[    6.330917] R13: 0000000000000010 R14: ff156d8645cb5000 R15: ff156d86418f3200
[    6.330957] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.331004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.331048] CR2: 00007f98023e7bc0 CR3: 00000000045cb003 CR4: 0000000000771ef0
[    6.331088] PKRU: 55555554
[    6.331104] Call Trace:
[    6.331119]  <TASK>
[    6.331131]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.331152]  register_netdevice (net/core/dev.c:11488)
[    6.331175]  register_netdev (net/core/dev.c:11552)
[    6.331202]  loopback_net_init (drivers/net/loopback.c:218)
[    6.331236]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    6.331266]  ops_init (net/core/net_namespace.c:137)
[    6.331287]  setup_net (net/core/net_namespace.c:446)
[    6.331308]  copy_net_ns (net/core/net_namespace.c:579)
[    6.331330]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.331355]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.331383]  ksys_unshare (kernel/fork.c:3243)
[    6.331407]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.331429]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.331450]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.331474] RIP: 0033:0x7f98023e7bcb
[    6.331498] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.331588] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.331633] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.331677] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.331714] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.331757] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.331795] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.331958] ------------[ cut here ]------------
| [    6.331985] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/167
| [    6.332037] Modules linked in:
| [    6.332108] Tainted: [W]=WARN
[    6.332126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.332159] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.332183] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.332277] RSP: 0018:ff5eafed002a3c10 EFLAGS: 00010286
[    6.332305] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.332345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f000
[    6.332385] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d8645cfa830
[    6.332425] R10: ff156d8645cb3120 R11: fefefefefefefeff R12: 0000000000000000
[    6.332465] R13: 0000000000000010 R14: ff156d8645cb3000 R15: ff156d8642b5f000
[    6.332508] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.332549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.332580] CR2: 00007f98023e7bc0 CR3: 00000000045cb003 CR4: 0000000000771ef0
[    6.332621] PKRU: 55555554
[    6.332642] Call Trace:
[    6.332654]  <TASK>
[    6.332668]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.332689]  register_netdevice (net/core/dev.c:11488)
[    6.332710]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.332732]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.332753]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    6.332771]  ops_init (net/core/net_namespace.c:137)
[    6.332792]  setup_net (net/core/net_namespace.c:446)
[    6.332811]  copy_net_ns (net/core/net_namespace.c:579)
[    6.332833]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.332859]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.332888]  ksys_unshare (kernel/fork.c:3243)
[    6.332911]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.332932]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.332956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.332989] RIP: 0033:0x7f98023e7bcb
[    6.333009] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.333096] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.333136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.333178] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.333217] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.333253] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.333292] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.333418] ------------[ cut here ]------------
| [    6.333446] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/64
| [    6.333497] Modules linked in:
| [    6.333571] Tainted: [W]=WARN
[    6.333592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.333626] Workqueue: netns cleanup_net
[    6.333652] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.333679] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.333765] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    6.333793] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.333831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f200
[    6.333867] RBP: 0000000000000000 R08: ff156d8641944250 R09: ff156d86432c382c
[    6.333905] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[    6.333950] R13: 0000000000000011 R14: ff156d8645cf1000 R15: ff156d8642b5f200
[    6.333990] FS:  0000000000000000(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.334039] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.334073] CR2: 00007f98023e7bc0 CR3: 00000000045cb003 CR4: 0000000000771ef0
[    6.334113] PKRU: 55555554
[    6.334127] Call Trace:
[    6.334142]  <TASK>
[    6.334157]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.334182]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    6.334210]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    6.334232]  cleanup_net (net/core/net_namespace.c:702)
[    6.334253]  process_one_work (kernel/workqueue.c:3314)
[    6.334277]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.334298]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.334318]  kthread (kernel/kthread.c:436)
[    6.334340]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.334362]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.334384]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.334402]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.334536] ------------[ cut here ]------------
| [    6.334564] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/167
| [    6.334612] Modules linked in:
| [    6.334686] Tainted: [W]=WARN
[    6.334707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.334740] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.334766] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.334857] RSP: 0018:ff5eafed002a3bf0 EFLAGS: 00010286
[    6.334885] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.334926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f600
[    6.334961] RBP: 0000000000000000 R08: ff156d8641944450 R09: ff156d8645cfa030
[    6.334999] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[    6.335037] R13: 0000000000000010 R14: ff156d8645cf0000 R15: ff156d8642b5f600
[    6.335077] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.335123] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.335160] CR2: 00007f98023e7bc0 CR3: 00000000045cb003 CR4: 0000000000771ef0
[    6.335198] PKRU: 55555554
[    6.335211] Call Trace:
[    6.335223]  <TASK>
[    6.335239]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.335258]  register_netdevice (net/core/dev.c:11488)
[    6.335276]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.335300]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.335319]  vti_init_net (net/ipv4/ip_vti.c:517)
[    6.335338]  ops_init (net/core/net_namespace.c:137)
[    6.335359]  setup_net (net/core/net_namespace.c:446)
[    6.335381]  copy_net_ns (net/core/net_namespace.c:579)
[    6.335402]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.335431]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.335458]  ksys_unshare (kernel/fork.c:3243)
[    6.335479]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.335499]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.335524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.335550] RIP: 0033:0x7f98023e7bcb
[    6.335572] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.335662] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.335702] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.335744] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.335786] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.335824] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.335864] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.335979] ------------[ cut here ]------------
| [    6.336006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/167
| [    6.336056] Modules linked in:
| [    6.336128] Tainted: [W]=WARN
[    6.336145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.336177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.336204] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.336295] RSP: 0018:ff5eafed002a3ca8 EFLAGS: 00010286
[    6.336324] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.336371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86e00
[    6.336411] RBP: 0000000000000000 R08: ff156d86419444d0 R09: ff156d8644682034
[    6.336451] R10: ff156d864317f120 R11: fefefefefefefeff R12: 0000000000000000
[    6.336490] R13: 0000000000000010 R14: ff156d864317f000 R15: ff156d8641d86e00
[    6.336532] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.336573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.336613] CR2: 00007f98023e7bc0 CR3: 00000000045cb003 CR4: 0000000000771ef0
[    6.336655] PKRU: 55555554
[    6.336671] Call Trace:
[    6.336682]  <TASK>
[    6.336698]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.336725]  register_netdevice (net/core/dev.c:11488)
[    6.336747]  register_netdev (net/core/dev.c:11552)
[    6.336772]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    6.336795]  ops_init (net/core/net_namespace.c:137)
[    6.336816]  setup_net (net/core/net_namespace.c:446)
[    6.336838]  copy_net_ns (net/core/net_namespace.c:579)
[    6.336856]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.336881]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.336907]  ksys_unshare (kernel/fork.c:3243)
[    6.336929]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.336954]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.336976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.337001] RIP: 0033:0x7f98023e7bcb
[    6.337020] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.337108] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.337147] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.337184] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.337223] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.337267] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.337306] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.337436] ------------[ cut here ]------------
| [    6.337463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/167
| [    6.337507] Modules linked in:
| [    6.337585] Tainted: [W]=WARN
[    6.337611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.337641] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.337667] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.337758] RSP: 0018:ff5eafed002a3ca0 EFLAGS: 00010286
[    6.337786] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.337830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[    6.337868] RBP: 0000000000000000 R08: ff156d8641944590 R09: ff156d8645cf3030
[    6.337912] R10: ff156d8644682120 R11: fefefefefefefeff R12: 0000000000000000
[    6.337952] R13: 0000000000000010 R14: ff156d8644682000 R15: ff156d8641d86c00
[    6.337994] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.338037] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.338074] CR2: 00007f98023e7bc0 CR3: 00000000045cb003 CR4: 0000000000771ef0
[    6.338111] PKRU: 55555554
[    6.338126] Call Trace:
[    6.338138]  <TASK>
[    6.338153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.338173]  register_netdevice (net/core/dev.c:11488)
[    6.338192]  register_netdev (net/core/dev.c:11552)
[    6.338214]  sit_init_net (net/ipv6/sit.c:1860)
[    6.338238]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    6.338264]  ops_init (net/core/net_namespace.c:137)
[    6.338286]  setup_net (net/core/net_namespace.c:446)
[    6.338308]  copy_net_ns (net/core/net_namespace.c:579)
[    6.338330]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.338359]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.338386]  ksys_unshare (kernel/fork.c:3243)
[    6.338407]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.338426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.338448]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.338473] RIP: 0033:0x7f98023e7bcb
[    6.338494] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.338579] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.338627] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.338663] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.338700] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.338743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.338783] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.338920] ------------[ cut here ]------------
| [    6.338948] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/167
| [    6.338992] Modules linked in:
| [    6.339076] Tainted: [W]=WARN
[    6.339098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.339129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.339156] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.339245] RSP: 0018:ff5eafed002a3ca8 EFLAGS: 00010286
[    6.339272] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.339316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3700
[    6.339355] RBP: 0000000000000000 R08: ff156d8642ba0110 R09: ff156d8645cd0030
[    6.339395] R10: ff156d8645cf3120 R11: fefefefefefefeff R12: 0000000000000000
[    6.339438] R13: 0000000000000010 R14: ff156d8645cf3000 R15: ff156d86418f3700
[    6.339480] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.339519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.339550] CR2: 00007f98023e7bc0 CR3: 00000000045cb003 CR4: 0000000000771ef0
[    6.339588] PKRU: 55555554
[    6.339606] Call Trace:
[    6.339618]  <TASK>
[    6.339630]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.339653]  register_netdevice (net/core/dev.c:11488)
[    6.339674]  register_netdev (net/core/dev.c:11552)
[    6.339694]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    6.339717]  ops_init (net/core/net_namespace.c:137)
[    6.339737]  setup_net (net/core/net_namespace.c:446)
[    6.339759]  copy_net_ns (net/core/net_namespace.c:579)
[    6.339780]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.339807]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.339832]  ksys_unshare (kernel/fork.c:3243)
[    6.339852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.339874]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.339893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.339923] RIP: 0033:0x7f98023e7bcb
[    6.339944] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.340033] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.340076] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.340114] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.340160] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.340200] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.340241] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.348977] ------------[ cut here ]------------
| [    6.349024] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/169
| [    6.349084] Modules linked in:
| [    6.349165] Tainted: [W]=WARN
[    6.349184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.349218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.349243] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.349340] RSP: 0018:ff5eafed003efcb8 EFLAGS: 00010286
[    6.349367] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.349409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3000
[    6.349450] RBP: 0000000000000000 R08: ff156d86433b5ed0 R09: ff156d8645d1702c
[    6.349490] R10: ff156d8645d12120 R11: fefefefefefefeff R12: 0000000000000000
[    6.349531] R13: 0000000000000010 R14: ff156d8645d12000 R15: ff156d86418f3000
[    6.349574] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.349618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.349653] CR2: 00007f98023e7bc0 CR3: 0000000003269004 CR4: 0000000000771ef0
[    6.349694] PKRU: 55555554
[    6.349708] Call Trace:
[    6.349722]  <TASK>
[    6.349734]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.349755]  register_netdevice (net/core/dev.c:11488)
[    6.349775]  register_netdev (net/core/dev.c:11552)
[    6.349795]  loopback_net_init (drivers/net/loopback.c:218)
[    6.349816]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    6.349849]  ops_init (net/core/net_namespace.c:137)
[    6.349870]  setup_net (net/core/net_namespace.c:446)
[    6.349890]  copy_net_ns (net/core/net_namespace.c:579)
[    6.349910]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.349939]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.349964]  ksys_unshare (kernel/fork.c:3243)
[    6.349984]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.350008]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.350032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.350064] RIP: 0033:0x7f98023e7bcb
[    6.350086] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.350170] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.350207] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.350244] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.350283] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.350327] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.350366] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.350510] ------------[ cut here ]------------
| [    6.350538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/169
| [    6.350588] Modules linked in:
| [    6.350665] Tainted: [W]=WARN
[    6.350683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.350718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.350744] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.350841] RSP: 0018:ff5eafed003efc10 EFLAGS: 00010286
[    6.350866] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.350905] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a000
[    6.350950] RBP: 0000000000000000 R08: ff156d86444dcb10 R09: ff156d8645d1a030
[    6.350989] R10: ff156d8645d17120 R11: fefefefefefefeff R12: 0000000000000000
[    6.351031] R13: 0000000000000010 R14: ff156d8645d17000 R15: ff156d864326a000
[    6.351069] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.351109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.351146] CR2: 00007f98023e7bc0 CR3: 0000000003269004 CR4: 0000000000771ef0
[    6.351193] PKRU: 55555554
[    6.351206] Call Trace:
[    6.351217]  <TASK>
[    6.351230]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.351249]  register_netdevice (net/core/dev.c:11488)
[    6.351271]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.351292]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.351312]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    6.351333]  ops_init (net/core/net_namespace.c:137)
[    6.351352]  setup_net (net/core/net_namespace.c:446)
[    6.351374]  copy_net_ns (net/core/net_namespace.c:579)
[    6.351396]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.351423]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.351454]  ksys_unshare (kernel/fork.c:3243)
[    6.351474]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.351498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.351523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.351555] RIP: 0033:0x7f98023e7bcb
[    6.351573] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.351674] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.351715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.351754] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.351801] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.351842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.351882] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.351992] ------------[ cut here ]------------
| [    6.352019] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/169
| [    6.352074] Modules linked in:
| [    6.352149] Tainted: [W]=WARN
[    6.352167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.352201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.352226] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.352314] RSP: 0018:ff5eafed003efbf0 EFLAGS: 00010286
[    6.352340] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.352378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fe00
[    6.352417] RBP: 0000000000000000 R08: ff156d86444dcad0 R09: ff156d8645d18030
[    6.352457] R10: ff156d8644683120 R11: fefefefefefefeff R12: 0000000000000000
[    6.352501] R13: 0000000000000010 R14: ff156d8644683000 R15: ff156d8642b5fe00
[    6.352541] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.352584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.352620] CR2: 00007f98023e7bc0 CR3: 0000000003269004 CR4: 0000000000771ef0
[    6.352666] PKRU: 55555554
[    6.352681] Call Trace:
[    6.352696]  <TASK>
[    6.352710]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.352730]  register_netdevice (net/core/dev.c:11488)
[    6.352752]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.352777]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.352799]  vti_init_net (net/ipv4/ip_vti.c:517)
[    6.352820]  ops_init (net/core/net_namespace.c:137)
[    6.352844]  setup_net (net/core/net_namespace.c:446)
[    6.352865]  copy_net_ns (net/core/net_namespace.c:579)
[    6.352885]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.352911]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.352943]  ksys_unshare (kernel/fork.c:3243)
[    6.352966]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.352987]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.353006]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.353037] RIP: 0033:0x7f98023e7bcb
[    6.353059] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.353150] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.353187] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.353226] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.353265] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.353306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.353345] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.353521] ------------[ cut here ]------------
| [    6.353551] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/169
| [    6.353599] Modules linked in:
| [    6.353672] Tainted: [W]=WARN
[    6.353690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.353721] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.353748] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.353837] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    6.353862] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.353908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3a00
[    6.353944] RBP: 0000000000000000 R08: ff156d864123d7d0 R09: ff156d8645d2b034
[    6.353980] R10: ff156d8645d16120 R11: fefefefefefefeff R12: 0000000000000000
[    6.354017] R13: 0000000000000010 R14: ff156d8645d16000 R15: ff156d86418f3a00
[    6.354065] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.354106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.354143] CR2: 00007f98023e7bc0 CR3: 0000000003269004 CR4: 0000000000771ef0
[    6.354185] PKRU: 55555554
[    6.354199] Call Trace:
[    6.354211]  <TASK>
[    6.354228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.354250]  register_netdevice (net/core/dev.c:11488)
[    6.354271]  register_netdev (net/core/dev.c:11552)
[    6.354294]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    6.354316]  ops_init (net/core/net_namespace.c:137)
[    6.354337]  setup_net (net/core/net_namespace.c:446)
[    6.354361]  copy_net_ns (net/core/net_namespace.c:579)
[    6.354382]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.354408]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.354434]  ksys_unshare (kernel/fork.c:3243)
[    6.354453]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.354472]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.354495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.354527] RIP: 0033:0x7f98023e7bcb
[    6.354553] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.354647] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.354687] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.354731] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.354770] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.354807] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.354851] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.354977] ------------[ cut here ]------------
| [    6.355005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/169
| [    6.355053] Modules linked in:
| [    6.355132] Tainted: [W]=WARN
[    6.355151] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.355186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.355210] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.355297] RSP: 0018:ff5eafed003efca0 EFLAGS: 00010286
[    6.355321] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.355363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[    6.355401] RBP: 0000000000000000 R08: ff156d8641926550 R09: ff156d8645d28030
[    6.355436] R10: ff156d8645d2b120 R11: fefefefefefefeff R12: 0000000000000000
[    6.355475] R13: 0000000000000010 R14: ff156d8645d2b000 R15: ff156d8641d86c00
[    6.355512] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.355551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.355583] CR2: 00007f98023e7bc0 CR3: 0000000003269004 CR4: 0000000000771ef0
[    6.355627] PKRU: 55555554
[    6.355642] Call Trace:
[    6.355654]  <TASK>
[    6.355667]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.355689]  register_netdevice (net/core/dev.c:11488)
[    6.355709]  register_netdev (net/core/dev.c:11552)
[    6.355730]  sit_init_net (net/ipv6/sit.c:1860)
[    6.355754]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    6.355777]  ops_init (net/core/net_namespace.c:137)
[    6.355799]  setup_net (net/core/net_namespace.c:446)
[    6.355820]  copy_net_ns (net/core/net_namespace.c:579)
[    6.355839]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.355867]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.355896]  ksys_unshare (kernel/fork.c:3243)
[    6.355917]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.355938]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.355965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.355991] RIP: 0033:0x7f98023e7bcb
[    6.356008] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.356101] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.356140] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.356177] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.356217] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.356256] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.356291] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.356402] ------------[ cut here ]------------
| [    6.356431] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/169
| [    6.356473] Modules linked in:
| [    6.356547] Tainted: [W]=WARN
[    6.356566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.356612] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.356636] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.356723] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    6.356754] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.356800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3700
[    6.356842] RBP: 0000000000000000 R08: ff156d86419265d0 R09: ff156d8645cc8030
[    6.356880] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[    6.356918] R13: 0000000000000010 R14: ff156d8645d28000 R15: ff156d86418f3700
[    6.356963] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.357003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.357037] CR2: 00007f98023e7bc0 CR3: 0000000003269004 CR4: 0000000000771ef0
[    6.357078] PKRU: 55555554
[    6.357094] Call Trace:
[    6.357106]  <TASK>
[    6.357122]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.357142]  register_netdevice (net/core/dev.c:11488)
[    6.357163]  register_netdev (net/core/dev.c:11552)
[    6.357187]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    6.357214]  ops_init (net/core/net_namespace.c:137)
[    6.357235]  setup_net (net/core/net_namespace.c:446)
[    6.357260]  copy_net_ns (net/core/net_namespace.c:579)
[    6.357281]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.357308]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.357338]  ksys_unshare (kernel/fork.c:3243)
[    6.357362]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.357382]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.357403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.357429] RIP: 0033:0x7f98023e7bcb
[    6.357447] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.357534] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.357571] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.357610] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.357650] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.357690] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.357730] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.367109] ------------[ cut here ]------------
| [    6.367161] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/172
| [    6.367206] Modules linked in:
| [    6.367279] Tainted: [W]=WARN
[    6.367301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.367332] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.367360] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.367453] RSP: 0018:ff5eafed002bbcb8 EFLAGS: 00010286
[    6.367477] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.367517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.367557] RBP: 0000000000000000 R08: ff156d864451d9d0 R09: ff156d8645d4702c
[    6.367602] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[    6.367642] R13: 0000000000000010 R14: ff156d8645d42000 R15: ff156d86418f3200
[    6.367683] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.367726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.367763] CR2: 00007f98023e7bc0 CR3: 0000000004465006 CR4: 0000000000771ef0
[    6.367804] PKRU: 55555554
[    6.367818] Call Trace:
[    6.367830]  <TASK>
[    6.367847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.367869]  register_netdevice (net/core/dev.c:11488)
[    6.367892]  register_netdev (net/core/dev.c:11552)
[    6.367914]  loopback_net_init (drivers/net/loopback.c:218)
[    6.367935]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    6.367961]  ops_init (net/core/net_namespace.c:137)
[    6.367985]  setup_net (net/core/net_namespace.c:446)
[    6.368004]  copy_net_ns (net/core/net_namespace.c:579)
[    6.368024]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.368059]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.368090]  ksys_unshare (kernel/fork.c:3243)
[    6.368112]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.368134]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.368153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.368181] RIP: 0033:0x7f98023e7bcb
[    6.368202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.368302] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.368346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.368383] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.368423] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.368464] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.368507] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.368617] ------------[ cut here ]------------
| [    6.368650] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/172
| [    6.368699] Modules linked in:
| [    6.368766] Tainted: [W]=WARN
[    6.368786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.368822] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.368849] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.368944] RSP: 0018:ff5eafed002bbc10 EFLAGS: 00010286
[    6.368971] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.369014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f000
[    6.369057] RBP: 0000000000000000 R08: ff156d8641897010 R09: ff156d8645d37830
[    6.369098] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[    6.369142] R13: 0000000000000010 R14: ff156d8645d47000 R15: ff156d8642b5f000
[    6.369183] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.369223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.369256] CR2: 00007f98023e7bc0 CR3: 0000000004465006 CR4: 0000000000771ef0
[    6.369298] PKRU: 55555554
[    6.369312] Call Trace:
[    6.369326]  <TASK>
[    6.369341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.369361]  register_netdevice (net/core/dev.c:11488)
[    6.369380]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.369400]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.369421]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    6.369442]  ops_init (net/core/net_namespace.c:137)
[    6.369468]  setup_net (net/core/net_namespace.c:446)
[    6.369491]  copy_net_ns (net/core/net_namespace.c:579)
[    6.369512]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.369541]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.369567]  ksys_unshare (kernel/fork.c:3243)
[    6.369587]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.369612]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.369633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.369659] RIP: 0033:0x7f98023e7bcb
[    6.369684] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.369782] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.369815] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.369855] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.369895] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.369935] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.369975] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.370099] ------------[ cut here ]------------
| [    6.370124] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/172
| [    6.370169] Modules linked in:
| [    6.370241] Tainted: [W]=WARN
[    6.370262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.370297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.370325] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.370413] RSP: 0018:ff5eafed002bbbf0 EFLAGS: 00010286
[    6.370440] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.370479] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3900
[    6.370519] RBP: 0000000000000000 R08: ff156d8641926690 R09: ff156d8645d51830
[    6.370562] R10: ff156d8645d46120 R11: fefefefefefefeff R12: 0000000000000000
[    6.370609] R13: 0000000000000010 R14: ff156d8645d46000 R15: ff156d86418f3900
[    6.370652] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.370695] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.370722] CR2: 00007f98023e7bc0 CR3: 0000000004465006 CR4: 0000000000771ef0
[    6.370760] PKRU: 55555554
[    6.370772] Call Trace:
[    6.370787]  <TASK>
[    6.370800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.370819]  register_netdevice (net/core/dev.c:11488)
[    6.370843]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.370862]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.370884]  vti_init_net (net/ipv4/ip_vti.c:517)
[    6.370908]  ops_init (net/core/net_namespace.c:137)
[    6.370934]  setup_net (net/core/net_namespace.c:446)
[    6.370954]  copy_net_ns (net/core/net_namespace.c:579)
[    6.370978]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.371005]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.371039]  ksys_unshare (kernel/fork.c:3243)
[    6.371062]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.371085]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.371106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.371134] RIP: 0033:0x7f98023e7bcb
[    6.371154] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.371226] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.371262] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.371304] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.371342] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.371379] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.371418] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.371551] ------------[ cut here ]------------
| [    6.371578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/172
| [    6.371626] Modules linked in:
| [    6.371698] Tainted: [W]=WARN
[    6.371719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.371749] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.371779] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.371870] RSP: 0018:ff5eafed002bbca8 EFLAGS: 00010286
[    6.371898] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.371942] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.371990] RBP: 0000000000000000 R08: ff156d8641926750 R09: ff156d8645d5a034
[    6.372029] R10: ff156d8645d45120 R11: fefefefefefefeff R12: 0000000000000000
[    6.372066] R13: 0000000000000010 R14: ff156d8645d45000 R15: ff156d86418f3200
[    6.372104] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.372142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.372178] CR2: 00007f98023e7bc0 CR3: 0000000004465006 CR4: 0000000000771ef0
[    6.372218] PKRU: 55555554
[    6.372230] Call Trace:
[    6.372242]  <TASK>
[    6.372256]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.372279]  register_netdevice (net/core/dev.c:11488)
[    6.372300]  register_netdev (net/core/dev.c:11552)
[    6.372322]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    6.372343]  ops_init (net/core/net_namespace.c:137)
[    6.372366]  setup_net (net/core/net_namespace.c:446)
[    6.372394]  copy_net_ns (net/core/net_namespace.c:579)
[    6.372414]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.372439]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.372463]  ksys_unshare (kernel/fork.c:3243)
[    6.372483]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.372502]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.372523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.372550] RIP: 0033:0x7f98023e7bcb
[    6.372571] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.372668] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.372712] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.372753] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.372792] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.372832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.372872] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.372981] ------------[ cut here ]------------
| [    6.373008] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/172
| [    6.373059] Modules linked in:
| [    6.373137] Tainted: [W]=WARN
[    6.373155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.373187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.373214] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.373300] RSP: 0018:ff5eafed002bbca0 EFLAGS: 00010286
[    6.373328] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.373361] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[    6.373399] RBP: 0000000000000000 R08: ff156d86419267d0 R09: ff156d8645d5f030
[    6.373441] R10: ff156d8645d5a120 R11: fefefefefefefeff R12: 0000000000000000
[    6.373484] R13: 0000000000000010 R14: ff156d8645d5a000 R15: ff156d8641d86c00
[    6.373525] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.373563] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.373599] CR2: 00007f98023e7bc0 CR3: 0000000004465006 CR4: 0000000000771ef0
[    6.373645] PKRU: 55555554
[    6.373657] Call Trace:
[    6.373671]  <TASK>
[    6.373684]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.373705]  register_netdevice (net/core/dev.c:11488)
[    6.373729]  register_netdev (net/core/dev.c:11552)
[    6.373748]  sit_init_net (net/ipv6/sit.c:1860)
[    6.373774]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    6.373798]  ops_init (net/core/net_namespace.c:137)
[    6.373818]  setup_net (net/core/net_namespace.c:446)
[    6.373840]  copy_net_ns (net/core/net_namespace.c:579)
[    6.373862]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.373893]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.373920]  ksys_unshare (kernel/fork.c:3243)
[    6.373942]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.373964]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.373986]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.374013] RIP: 0033:0x7f98023e7bcb
[    6.374036] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.374138] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.374182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.374228] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.374268] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.374314] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.374356] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.374477] ------------[ cut here ]------------
| [    6.374503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/172
| [    6.374554] Modules linked in:
| [    6.374627] Tainted: [W]=WARN
[    6.374647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.374682] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.374714] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.374813] RSP: 0018:ff5eafed002bbca8 EFLAGS: 00010286
[    6.374843] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.374882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3700
[    6.374927] RBP: 0000000000000000 R08: ff156d86419269d0 R09: ff156d8645d5c030
[    6.374970] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[    6.375015] R13: 0000000000000010 R14: ff156d8645d5f000 R15: ff156d86418f3700
[    6.375058] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.375104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.375140] CR2: 00007f98023e7bc0 CR3: 0000000004465006 CR4: 0000000000771ef0
[    6.375179] PKRU: 55555554
[    6.375191] Call Trace:
[    6.375201]  <TASK>
[    6.375216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.375244]  register_netdevice (net/core/dev.c:11488)
[    6.375264]  register_netdev (net/core/dev.c:11552)
[    6.375286]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    6.375308]  ops_init (net/core/net_namespace.c:137)
[    6.375330]  setup_net (net/core/net_namespace.c:446)
[    6.375352]  copy_net_ns (net/core/net_namespace.c:579)
[    6.375376]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.375403]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.375433]  ksys_unshare (kernel/fork.c:3243)
[    6.375457]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.375475]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.375495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.375524] RIP: 0033:0x7f98023e7bcb
[    6.375546] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.375644] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.375687] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.375729] RDX: 00000000004063a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.375774] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.375817] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.375861] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.385176] ------------[ cut here ]------------
| [    6.385246] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/174
| [    6.385294] Modules linked in:
| [    6.385379] Tainted: [W]=WARN
[    6.385400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.385433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.385459] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.385548] RSP: 0018:ff5eafed00337cb8 EFLAGS: 00010286
[    6.385574] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.385616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.385660] RBP: 0000000000000000 R08: ff156d864445e950 R09: ff156d8645d7a02c
[    6.385699] R10: ff156d8645d6d120 R11: fefefefefefefeff R12: 0000000000000000
[    6.385739] R13: 0000000000000010 R14: ff156d8645d6d000 R15: ff156d86418f3200
[    6.385779] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.385820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.385854] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    6.385892] PKRU: 55555554
[    6.385908] Call Trace:
[    6.385922]  <TASK>
[    6.385936]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.385958]  register_netdevice (net/core/dev.c:11488)
[    6.385981]  register_netdev (net/core/dev.c:11552)
[    6.386000]  loopback_net_init (drivers/net/loopback.c:218)
[    6.386025]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    6.386056]  ops_init (net/core/net_namespace.c:137)
[    6.386077]  setup_net (net/core/net_namespace.c:446)
[    6.386100]  copy_net_ns (net/core/net_namespace.c:579)
[    6.386122]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.386151]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.386180]  ksys_unshare (kernel/fork.c:3243)
[    6.386200]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.386220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.386243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.386270] RIP: 0033:0x7f98023e7bcb
[    6.386290] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.386376] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.386420] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.386459] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.386501] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.386538] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.386573] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.386685] ------------[ cut here ]------------
| [    6.387542] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/174
| [    6.387632] Modules linked in:
| [    6.387710] Tainted: [W]=WARN
[    6.387732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.387769] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.387800] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.387894] RSP: 0018:ff5eafed00337c10 EFLAGS: 00010286
[    6.387926] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.387966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f000
[    6.388006] RBP: 0000000000000000 R08: ff156d864445ea50 R09: ff156d86432cb830
[    6.388051] R10: ff156d8645d7a120 R11: fefefefefefefeff R12: 0000000000000000
[    6.388099] R13: 0000000000000010 R14: ff156d8645d7a000 R15: ff156d8642b5f000
[    6.388140] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.388179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.388212] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    6.388252] PKRU: 55555554
[    6.388265] Call Trace:
[    6.388277]  <TASK>
[    6.388291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.388312]  register_netdevice (net/core/dev.c:11488)
[    6.388330]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.388351]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.388374]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    6.388400]  ops_init (net/core/net_namespace.c:137)
[    6.388422]  setup_net (net/core/net_namespace.c:446)
[    6.388446]  copy_net_ns (net/core/net_namespace.c:579)
[    6.388468]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.388497]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.388528]  ksys_unshare (kernel/fork.c:3243)
[    6.388548]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.388572]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.388601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.388634] RIP: 0033:0x7f98023e7bcb
[    6.388655] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.388754] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.388796] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.388835] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.388874] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.388913] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.388955] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.389071] ------------[ cut here ]------------
| [    6.389101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/174
| [    6.389148] Modules linked in:
| [    6.389221] Tainted: [W]=WARN
[    6.389241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.389270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.389298] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.389398] RSP: 0018:ff5eafed00337bf0 EFLAGS: 00010286
[    6.389428] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.389473] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3900
[    6.389513] RBP: 0000000000000000 R08: ff156d8641d47950 R09: ff156d8645cc3030
[    6.389553] R10: ff156d8645d79120 R11: fefefefefefefeff R12: 0000000000000000
[    6.389592] R13: 0000000000000010 R14: ff156d8645d79000 R15: ff156d86418f3900
[    6.389668] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.389710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.389746] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    6.389788] PKRU: 55555554
[    6.389800] Call Trace:
[    6.389810]  <TASK>
[    6.389829]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.389849]  register_netdevice (net/core/dev.c:11488)
[    6.389869]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    6.389892]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    6.389918]  vti_init_net (net/ipv4/ip_vti.c:517)
[    6.389940]  ops_init (net/core/net_namespace.c:137)
[    6.389963]  setup_net (net/core/net_namespace.c:446)
[    6.389988]  copy_net_ns (net/core/net_namespace.c:579)
[    6.390010]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.390040]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.390063]  ksys_unshare (kernel/fork.c:3243)
[    6.390086]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.390107]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.390129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.390155] RIP: 0033:0x7f98023e7bcb
[    6.390175] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.390269] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.390310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.390350] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.390390] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.390432] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.390471] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.390580] ------------[ cut here ]------------
| [    6.390608] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/174
| [    6.390656] Modules linked in:
| [    6.390727] Tainted: [W]=WARN
[    6.390748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.390786] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.390813] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.390914] RSP: 0018:ff5eafed00337ca8 EFLAGS: 00010286
[    6.390937] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.390984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[    6.391019] RBP: 0000000000000000 R08: ff156d8641d47a50 R09: ff156d8645d7d034
[    6.391060] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[    6.391098] R13: 0000000000000010 R14: ff156d8645d78000 R15: ff156d86418f3200
[    6.391140] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.391185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.391218] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    6.391259] PKRU: 55555554
[    6.391273] Call Trace:
[    6.391285]  <TASK>
[    6.391298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.391319]  register_netdevice (net/core/dev.c:11488)
[    6.391337]  register_netdev (net/core/dev.c:11552)
[    6.391361]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    6.391384]  ops_init (net/core/net_namespace.c:137)
[    6.391406]  setup_net (net/core/net_namespace.c:446)
[    6.391427]  copy_net_ns (net/core/net_namespace.c:579)
[    6.391449]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.391475]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.391502]  ksys_unshare (kernel/fork.c:3243)
[    6.391522]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.391547]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.391569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.391599] RIP: 0033:0x7f98023e7bcb
[    6.391621] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.391712] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.391753] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.391792] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.391832] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.391870] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.391913] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.392059] ------------[ cut here ]------------
| [    6.392086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/174
| [    6.392136] Modules linked in:
| [    6.392205] Tainted: [W]=WARN
[    6.392225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.392259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.392289] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.392388] RSP: 0018:ff5eafed00337ca0 EFLAGS: 00010286
[    6.392415] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.392455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[    6.392495] RBP: 0000000000000000 R08: ff156d8641908dd0 R09: ff156d8645d8a030
[    6.392535] R10: ff156d8645d7d120 R11: fefefefefefefeff R12: 0000000000000000
[    6.392574] R13: 0000000000000010 R14: ff156d8645d7d000 R15: ff156d8641d86c00
[    6.392618] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.392656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.392692] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    6.392733] PKRU: 55555554
[    6.392747] Call Trace:
[    6.392759]  <TASK>
[    6.392772]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.392795]  register_netdevice (net/core/dev.c:11488)
[    6.392813]  register_netdev (net/core/dev.c:11552)
[    6.392834]  sit_init_net (net/ipv6/sit.c:1860)
[    6.392857]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    6.392879]  ops_init (net/core/net_namespace.c:137)
[    6.392898]  setup_net (net/core/net_namespace.c:446)
[    6.392922]  copy_net_ns (net/core/net_namespace.c:579)
[    6.392945]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.392973]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.392997]  ksys_unshare (kernel/fork.c:3243)
[    6.393020]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.393044]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.393062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.393090] RIP: 0033:0x7f98023e7bcb
[    6.393109] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.393201] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.393244] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.393286] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.393331] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.393368] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.393407] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.393526] ------------[ cut here ]------------
| [    6.393553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/174
| [    6.393603] Modules linked in:
| [    6.393680] Tainted: [W]=WARN
[    6.393699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.393732] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.393760] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.393858] RSP: 0018:ff5eafed00337ca8 EFLAGS: 00010286
[    6.393883] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.393922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3700
[    6.393962] RBP: 0000000000000000 R08: ff156d8641908e50 R09: ff156d8645d8f030
[    6.394002] R10: ff156d8645d8a120 R11: fefefefefefefeff R12: 0000000000000000
[    6.394046] R13: 0000000000000010 R14: ff156d8645d8a000 R15: ff156d86418f3700
[    6.394090] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[    6.394133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.394167] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    6.394207] PKRU: 55555554
[    6.394222] Call Trace:
[    6.394235]  <TASK>
[    6.394248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    6.394268]  register_netdevice (net/core/dev.c:11488)
[    6.394289]  register_netdev (net/core/dev.c:11552)
[    6.394311]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    6.394332]  ops_init (net/core/net_namespace.c:137)
[    6.394356]  setup_net (net/core/net_namespace.c:446)
[    6.394376]  copy_net_ns (net/core/net_namespace.c:579)
[    6.394396]  create_new_namespaces (kernel/nsproxy.c:132)
[    6.394425]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    6.394453]  ksys_unshare (kernel/fork.c:3243)
[    6.394473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    6.394495]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    6.394517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    6.394548] RIP: 0033:0x7f98023e7bcb
[    6.394568] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    6.394669] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    6.394715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    6.394756] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    6.394798] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    6.394835] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    6.394874] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    6.395033] ------------[ cut here ]------------
| [    6.395068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.395125] Modules linked in:
| [    6.395203] Tainted: [W]=WARN
[    6.395229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.395260] Workqueue: netns cleanup_net
[    6.395288] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.395322] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.395415] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.395444] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.395483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.395524] RBP: 0000000000000000 R08: ff156d86419269d0 R09: ff156d8645d55830
[    6.395564] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[    6.395609] R13: 0000000000000011 R14: ff156d8645d5f000 R15: ff156d8641d67100
[    6.395651] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.395697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.395733] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.395774] PKRU: 55555554
[    6.395787] Call Trace:
[    6.395802]  <TASK>
[    6.395815]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.395842]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.395868]  cleanup_net (net/core/net_namespace.c:702)
[    6.395890]  process_one_work (kernel/workqueue.c:3314)
[    6.395913]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.395935]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.395957]  kthread (kernel/kthread.c:436)
[    6.395980]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.395999]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.396030]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.396051]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.396158] ------------[ cut here ]------------
| [    6.396185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.396228] Modules linked in:
| [    6.396307] Tainted: [W]=WARN
[    6.396327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.396362] Workqueue: netns cleanup_net
[    6.396386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.396414] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.396516] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.396543] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.396584] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.396630] RBP: 0000000000000000 R08: ff156d86419267d0 R09: ff156d8645d4c830
[    6.396669] R10: ff156d8645d5a120 R11: fefefefefefefeff R12: 0000000000000000
[    6.396711] R13: 0000000000000011 R14: ff156d8645d5a000 R15: ff156d8641d67100
[    6.396754] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.396796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.396828] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.396870] PKRU: 55555554
[    6.396885] Call Trace:
[    6.396898]  <TASK>
[    6.396913]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.396942]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.396963]  cleanup_net (net/core/net_namespace.c:702)
[    6.396981]  process_one_work (kernel/workqueue.c:3314)
[    6.397004]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.397030]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.397052]  kthread (kernel/kthread.c:436)
[    6.397073]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.397096]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.397118]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.397138]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.397233] ------------[ cut here ]------------
| [    6.397258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.397312] Modules linked in:
| [    6.397388] Tainted: [W]=WARN
[    6.397411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.397446] Workqueue: netns cleanup_net
[    6.397465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.397491] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.397584] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.397661] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.397701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.397741] RBP: 0000000000000000 R08: ff156d8641926750 R09: ff156d8645d4f834
[    6.397781] R10: ff156d8645d45120 R11: fefefefefefefeff R12: 0000000000000000
[    6.397822] R13: 0000000000000011 R14: ff156d8645d45000 R15: ff156d8641d67100
[    6.397862] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.397906] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.397934] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.397972] PKRU: 55555554
[    6.397984] Call Trace:
[    6.397999]  <TASK>
[    6.398013]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.398044]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.398063]  cleanup_net (net/core/net_namespace.c:702)
[    6.398083]  process_one_work (kernel/workqueue.c:3314)
[    6.398103]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.398122]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.398142]  kthread (kernel/kthread.c:436)
[    6.398161]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.398182]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.398204]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.398226]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.398310] ------------[ cut here ]------------
| [    6.398335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.398390] Modules linked in:
| [    6.398469] Tainted: [W]=WARN
[    6.398489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.398525] Workqueue: netns cleanup_net
[    6.398544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.398571] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.398660] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.398687] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.398727] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.398770] RBP: 0000000000000000 R08: ff156d8641926690 R09: ff156d8645d37030
[    6.398811] R10: ff156d8645d46120 R11: fefefefefefefeff R12: 0000000000000000
[    6.398849] R13: 0000000000000011 R14: ff156d8645d46000 R15: ff156d8641d67100
[    6.398889] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.398931] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.398961] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.399004] PKRU: 55555554
[    6.399018] Call Trace:
[    6.399037]  <TASK>
[    6.399050]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.399081]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.399103]  cleanup_net (net/core/net_namespace.c:702)
[    6.399125]  process_one_work (kernel/workqueue.c:3314)
[    6.399144]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.399164]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.399184]  kthread (kernel/kthread.c:436)
[    6.399205]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.399226]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.399247]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.399269]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.399356] ------------[ cut here ]------------
| [    6.399381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.399436] Modules linked in:
| [    6.399510] Tainted: [W]=WARN
[    6.399532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.399568] Workqueue: netns cleanup_net
[    6.399599] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.399627] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.399726] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.399758] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.399799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.399840] RBP: 0000000000000000 R08: ff156d8641897010 R09: ff156d8645d49030
[    6.399883] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[    6.399923] R13: 0000000000000011 R14: ff156d8645d47000 R15: ff156d8641d67100
[    6.399967] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.400012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.400050] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.400090] PKRU: 55555554
[    6.400104] Call Trace:
[    6.400118]  <TASK>
[    6.400131]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.400154]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.400174]  cleanup_net (net/core/net_namespace.c:702)
[    6.400194]  process_one_work (kernel/workqueue.c:3314)
[    6.400216]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.400238]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.400263]  kthread (kernel/kthread.c:436)
[    6.400286]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.400307]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.400329]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.400351]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.400437] ------------[ cut here ]------------
| [    6.400462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.400514] Modules linked in:
| [    6.400590] Tainted: [W]=WARN
[    6.400616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.400649] Workqueue: netns cleanup_net
[    6.400669] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.400696] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.400787] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.400814] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.400849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.400888] RBP: 0000000000000000 R08: ff156d86419265d0 R09: ff156d8645d1c030
[    6.400926] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[    6.400964] R13: 0000000000000011 R14: ff156d8645d28000 R15: ff156d8641d67100
[    6.401003] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.401047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.401077] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.401118] PKRU: 55555554
[    6.401132] Call Trace:
[    6.401144]  <TASK>
[    6.401159]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.401188]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.401210]  cleanup_net (net/core/net_namespace.c:702)
[    6.401229]  process_one_work (kernel/workqueue.c:3314)
[    6.401249]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.401268]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.401287]  kthread (kernel/kthread.c:436)
[    6.401308]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.401333]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.401354]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.401378]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.401466] ------------[ cut here ]------------
| [    6.401491] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.401544] Modules linked in:
| [    6.401636] Tainted: [W]=WARN
[    6.401656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.401690] Workqueue: netns cleanup_net
[    6.401713] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.401745] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.401841] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.401868] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.401911] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.401950] RBP: 0000000000000000 R08: ff156d8641926550 R09: ff156d8645d1f030
[    6.401998] R10: ff156d8645d2b120 R11: fefefefefefefeff R12: 0000000000000000
[    6.402040] R13: 0000000000000011 R14: ff156d8645d2b000 R15: ff156d8641d67100
[    6.402085] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.402127] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.402162] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.402200] PKRU: 55555554
[    6.402214] Call Trace:
[    6.402228]  <TASK>
[    6.402243]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.402270]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.402290]  cleanup_net (net/core/net_namespace.c:702)
[    6.402314]  process_one_work (kernel/workqueue.c:3314)
[    6.402335]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.402357]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.402376]  kthread (kernel/kthread.c:436)
[    6.402397]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.402418]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.402439]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.402460]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.402546] ------------[ cut here ]------------
| [    6.402571] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.402632] Modules linked in:
| [    6.402709] Tainted: [W]=WARN
[    6.402729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.402765] Workqueue: netns cleanup_net
[    6.402785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.402812] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.402905] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.402932] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.402972] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.403012] RBP: 0000000000000000 R08: ff156d864123d7d0 R09: ff156d8645d0e034
[    6.403055] R10: ff156d8645d16120 R11: fefefefefefefeff R12: 0000000000000000
[    6.403099] R13: 0000000000000011 R14: ff156d8645d16000 R15: ff156d8641d67100
[    6.403142] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.403184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.403218] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.403258] PKRU: 55555554
[    6.403271] Call Trace:
[    6.403287]  <TASK>
[    6.403301]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.403326]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.403350]  cleanup_net (net/core/net_namespace.c:702)
[    6.403374]  process_one_work (kernel/workqueue.c:3314)
[    6.403395]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.403420]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.403439]  kthread (kernel/kthread.c:436)
[    6.403460]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.403484]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.403511]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.403534]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.403627] ------------[ cut here ]------------
| [    6.403653] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.403708] Modules linked in:
| [    6.403789] Tainted: [W]=WARN
[    6.403810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.403849] Workqueue: netns cleanup_net
[    6.403875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.403905] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.404008] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.404040] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.404087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.404128] RBP: 0000000000000000 R08: ff156d86444dcad0 R09: ff156d8645d19830
[    6.404167] R10: ff156d8644683120 R11: fefefefefefefeff R12: 0000000000000000
[    6.404212] R13: 0000000000000011 R14: ff156d8644683000 R15: ff156d8641d67100
[    6.404255] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.404294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.404327] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.404369] PKRU: 55555554
[    6.404384] Call Trace:
[    6.404397]  <TASK>
[    6.404409]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.404442]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.404462]  cleanup_net (net/core/net_namespace.c:702)
[    6.404490]  process_one_work (kernel/workqueue.c:3314)
[    6.404515]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.404533]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.404556]  kthread (kernel/kthread.c:436)
[    6.404579]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.404608]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.404629]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.404651]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.404735] ------------[ cut here ]------------
| [    6.404760] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.404815] Modules linked in:
| [    6.404896] Tainted: [W]=WARN
[    6.404914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.404948] Workqueue: netns cleanup_net
[    6.404969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.405000] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.405096] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.405127] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.405169] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.405212] RBP: 0000000000000000 R08: ff156d86444dcb10 R09: ff156d8645d1b830
[    6.405259] R10: ff156d8645d17120 R11: fefefefefefefeff R12: 0000000000000000
[    6.405301] R13: 0000000000000011 R14: ff156d8645d17000 R15: ff156d8641d67100
[    6.405342] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.405386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.405415] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.405455] PKRU: 55555554
[    6.405468] Call Trace:
[    6.405481]  <TASK>
[    6.405495]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.405523]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.405544]  cleanup_net (net/core/net_namespace.c:702)
[    6.405566]  process_one_work (kernel/workqueue.c:3314)
[    6.405589]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.405616]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.405638]  kthread (kernel/kthread.c:436)
[    6.405662]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.405684]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.405707]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.405729]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.405814] ------------[ cut here ]------------
| [    6.405843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.405898] Modules linked in:
| [    6.405973] Tainted: [W]=WARN
[    6.405994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.406034] Workqueue: netns cleanup_net
[    6.406054] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.406084] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.406169] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.406197] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.406235] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.406281] RBP: 0000000000000000 R08: ff156d8642ba0110 R09: ff156d8645cfe030
[    6.406320] R10: ff156d8645cf3120 R11: fefefefefefefeff R12: 0000000000000000
[    6.406359] R13: 0000000000000011 R14: ff156d8645cf3000 R15: ff156d8641d67100
[    6.406401] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.406444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.406475] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.406518] PKRU: 55555554
[    6.406532] Call Trace:
[    6.406547]  <TASK>
[    6.406561]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.406589]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.406617]  cleanup_net (net/core/net_namespace.c:702)
[    6.406642]  process_one_work (kernel/workqueue.c:3314)
[    6.406668]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.406691]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.406711]  kthread (kernel/kthread.c:436)
[    6.406734]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.406756]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.406779]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.406801]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.406893] ------------[ cut here ]------------
| [    6.406920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.406970] Modules linked in:
| [    6.407055] Tainted: [W]=WARN
[    6.407073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.407102] Workqueue: netns cleanup_net
[    6.407129] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.407158] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.407255] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.407283] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.407329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.407370] RBP: 0000000000000000 R08: ff156d8641944590 R09: ff156d8645d01030
[    6.407413] R10: ff156d8644682120 R11: fefefefefefefeff R12: 0000000000000000
[    6.407460] R13: 0000000000000011 R14: ff156d8644682000 R15: ff156d8641d67100
[    6.407501] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.407536] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.407569] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.407616] PKRU: 55555554
[    6.407631] Call Trace:
[    6.407647]  <TASK>
[    6.407660]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.407688]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.407709]  cleanup_net (net/core/net_namespace.c:702)
[    6.407730]  process_one_work (kernel/workqueue.c:3314)
[    6.407752]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.407773]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.407794]  kthread (kernel/kthread.c:436)
[    6.407815]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.407841]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.407864]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.407884]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.407978] ------------[ cut here ]------------
| [    6.408002] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.408061] Modules linked in:
| [    6.408134] Tainted: [W]=WARN
[    6.408153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.408185] Workqueue: netns cleanup_net
[    6.408208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.408239] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.408314] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.408344] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.408385] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.408423] RBP: 0000000000000000 R08: ff156d86419444d0 R09: ff156d8645cf8034
[    6.408459] R10: ff156d864317f120 R11: fefefefefefefeff R12: 0000000000000000
[    6.408498] R13: 0000000000000011 R14: ff156d864317f000 R15: ff156d8641d67100
[    6.408542] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.408577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.408612] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.408656] PKRU: 55555554
[    6.408669] Call Trace:
[    6.408683]  <TASK>
[    6.408694]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.408723]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.408748]  cleanup_net (net/core/net_namespace.c:702)
[    6.408775]  process_one_work (kernel/workqueue.c:3314)
[    6.408798]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.408819]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.408839]  kthread (kernel/kthread.c:436)
[    6.408860]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.408882]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.408907]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.408928]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.409016] ------------[ cut here ]------------
| [    6.409046] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.409099] Modules linked in:
| [    6.409177] Tainted: [W]=WARN
[    6.409198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.409229] Workqueue: netns cleanup_net
[    6.409249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.409276] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.409367] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.409394] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.409434] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.409473] RBP: 0000000000000000 R08: ff156d8641944450 R09: ff156d86432c3830
[    6.409516] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[    6.409556] R13: 0000000000000011 R14: ff156d8645cf0000 R15: ff156d8641d67100
[    6.409604] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.409646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.409678] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.409722] PKRU: 55555554
[    6.409738] Call Trace:
[    6.409751]  <TASK>
[    6.409769]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.409799]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.409820]  cleanup_net (net/core/net_namespace.c:702)
[    6.409840]  process_one_work (kernel/workqueue.c:3314)
[    6.409862]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.409883]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.409906]  kthread (kernel/kthread.c:436)
[    6.409928]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.409948]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.409971]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.409992]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.410092] ------------[ cut here ]------------
| [    6.410117] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.410166] Modules linked in:
| [    6.410242] Tainted: [W]=WARN
[    6.410266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.410294] Workqueue: netns cleanup_net
[    6.410314] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.410345] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.410441] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.410468] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.410513] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.410555] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d86430f3030
[    6.410603] R10: ff156d8645cb3120 R11: fefefefefefefeff R12: 0000000000000000
[    6.410644] R13: 0000000000000011 R14: ff156d8645cb3000 R15: ff156d8641d67100
[    6.410685] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.410727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.410763] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.410805] PKRU: 55555554
[    6.410819] Call Trace:
[    6.410835]  <TASK>
[    6.410849]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.410874]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.410896]  cleanup_net (net/core/net_namespace.c:702)
[    6.410918]  process_one_work (kernel/workqueue.c:3314)
[    6.410939]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.410961]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.410987]  kthread (kernel/kthread.c:436)
[    6.411010]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.411037]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.411058]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.411079]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.411182] ------------[ cut here ]------------
| [    6.411207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.411265] Modules linked in:
| [    6.411338] Tainted: [W]=WARN
[    6.411357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.411386] Workqueue: netns cleanup_net
[    6.411407] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.411432] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.411521] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.411554] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.411592] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.411635] RBP: 0000000000000000 R08: ff156d864445e7d0 R09: ff156d86432dc830
[    6.411677] R10: ff156d8644670120 R11: fefefefefefefeff R12: 0000000000000000
[    6.411721] R13: 0000000000000011 R14: ff156d8644670000 R15: ff156d8641d67100
[    6.411769] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.411811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.411840] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.411879] PKRU: 55555554
[    6.411893] Call Trace:
[    6.411905]  <TASK>
[    6.411920]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.411949]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.411970]  cleanup_net (net/core/net_namespace.c:702)
[    6.411990]  process_one_work (kernel/workqueue.c:3314)
[    6.412015]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.412038]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.412059]  kthread (kernel/kthread.c:436)
[    6.412078]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.412098]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.412120]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.412146]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.412241] ------------[ cut here ]------------
| [    6.412267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.412321] Modules linked in:
| [    6.412400] Tainted: [W]=WARN
[    6.412419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.412456] Workqueue: netns cleanup_net
[    6.412481] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.412509] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.412616] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.412646] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.412688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.412728] RBP: 0000000000000000 R08: ff156d864445e750 R09: ff156d86430f7830
[    6.412767] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[    6.412804] R13: 0000000000000011 R14: ff156d8644673000 R15: ff156d8641d67100
[    6.412844] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.412886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.412920] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.412962] PKRU: 55555554
[    6.412975] Call Trace:
[    6.412987]  <TASK>
[    6.413003]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.413032]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.413054]  cleanup_net (net/core/net_namespace.c:702)
[    6.413075]  process_one_work (kernel/workqueue.c:3314)
[    6.413095]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.413116]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.413139]  kthread (kernel/kthread.c:436)
[    6.413161]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.413180]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.413202]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.413224]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.413319] ------------[ cut here ]------------
| [    6.413346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.413398] Modules linked in:
| [    6.413483] Tainted: [W]=WARN
[    6.413503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.413534] Workqueue: netns cleanup_net
[    6.413556] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.413589] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.413691] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.413722] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.413759] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.413799] RBP: 0000000000000000 R08: ff156d864445e550 R09: ff156d86430f5834
[    6.413840] R10: ff156d864317e120 R11: fefefefefefefeff R12: 0000000000000000
[    6.413882] R13: 0000000000000011 R14: ff156d864317e000 R15: ff156d8641d67100
[    6.413920] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.413964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.414002] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.414048] PKRU: 55555554
[    6.414062] Call Trace:
[    6.414074]  <TASK>
[    6.414089]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.414112]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.414134]  cleanup_net (net/core/net_namespace.c:702)
[    6.414158]  process_one_work (kernel/workqueue.c:3314)
[    6.414180]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.414201]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.414224]  kthread (kernel/kthread.c:436)
[    6.414242]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.414265]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.414287]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.414308]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.414403] ------------[ cut here ]------------
| [    6.414430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.414487] Modules linked in:
| [    6.414569] Tainted: [W]=WARN
[    6.414590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.414631] Workqueue: netns cleanup_net
[    6.414654] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.414682] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.414773] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.414800] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.414841] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.414883] RBP: 0000000000000000 R08: ff156d864445e490 R09: ff156d864467e030
[    6.414926] R10: ff156d8641180120 R11: fefefefefefefeff R12: 0000000000000000
[    6.414967] R13: 0000000000000011 R14: ff156d8641180000 R15: ff156d8641d67100
[    6.415015] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.415063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.415091] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.415131] PKRU: 55555554
[    6.415146] Call Trace:
[    6.415158]  <TASK>
[    6.415171]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.415202]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.415223]  cleanup_net (net/core/net_namespace.c:702)
[    6.415244]  process_one_work (kernel/workqueue.c:3314)
[    6.415263]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.415283]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.415310]  kthread (kernel/kthread.c:436)
[    6.415331]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.415353]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.415373]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.415394]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.415479] ------------[ cut here ]------------
| [    6.415505] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.415554] Modules linked in:
| [    6.415629] Tainted: [W]=WARN
[    6.415648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.415678] Workqueue: netns cleanup_net
[    6.415700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.415727] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.415819] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    6.415846] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.415885] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.415925] RBP: 0000000000000000 R08: ff156d864445e410 R09: ff156d86432df830
[    6.415965] R10: ff156d8645cb0120 R11: fefefefefefefeff R12: 0000000000000000
[    6.416003] R13: 0000000000000011 R14: ff156d8645cb0000 R15: ff156d8641d67100
[    6.416043] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.416083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.416128] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.416171] PKRU: 55555554
[    6.416186] Call Trace:
[    6.416199]  <TASK>
[    6.416214]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.416241]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    6.416262]  cleanup_net (net/core/net_namespace.c:702)
[    6.416284]  process_one_work (kernel/workqueue.c:3314)
[    6.416306]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.416327]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.416348]  kthread (kernel/kthread.c:436)
[    6.416368]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.416392]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.416413]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.416431]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.432070] ------------[ cut here ]------------
| [    6.432102] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.432158] Modules linked in:
| [    6.432228] Tainted: [W]=WARN
[    6.432250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.432278] Workqueue: netns cleanup_net
[    6.432297] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.432328] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.432418] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    6.432446] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.432486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.432525] RBP: 0000000000000000 R08: ff156d864451d9d0 R09: ff156d8645d4a82c
[    6.432565] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[    6.432610] R13: 0000000000000011 R14: ff156d8645d42000 R15: ff156d8641d67100
[    6.432652] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.432699] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.432731] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.432776] PKRU: 55555554
[    6.432792] Call Trace:
[    6.432805]  <TASK>
[    6.432827]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.432857]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    6.432883]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    6.432904]  cleanup_net (net/core/net_namespace.c:702)
[    6.432926]  process_one_work (kernel/workqueue.c:3314)
[    6.432946]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.432968]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.432990]  kthread (kernel/kthread.c:436)
[    6.433013]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.433038]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.433060]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.433081]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.433178] ------------[ cut here ]------------
| [    6.433207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.433260] Modules linked in:
| [    6.433337] Tainted: [W]=WARN
[    6.433358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.433393] Workqueue: netns cleanup_net
[    6.433416] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.433444] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.433540] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    6.433568] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.433615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.433657] RBP: 0000000000000000 R08: ff156d86433b5ed0 R09: ff156d8645d0882c
[    6.433699] R10: ff156d8645d12120 R11: fefefefefefefeff R12: 0000000000000000
[    6.433741] R13: 0000000000000011 R14: ff156d8645d12000 R15: ff156d8641d67100
[    6.433783] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.433830] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.433864] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.433903] PKRU: 55555554
[    6.433915] Call Trace:
[    6.433925]  <TASK>
[    6.433942]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.433973]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    6.433996]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    6.434018]  cleanup_net (net/core/net_namespace.c:702)
[    6.434045]  process_one_work (kernel/workqueue.c:3314)
[    6.434066]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.434086]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.434105]  kthread (kernel/kthread.c:436)
[    6.434129]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.434153]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.434174]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.434195]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.434286] ------------[ cut here ]------------
| [    6.434313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.434366] Modules linked in:
| [    6.434438] Tainted: [W]=WARN
[    6.434457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.434495] Workqueue: netns cleanup_net
[    6.434527] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.434556] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.434663] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    6.434691] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.434736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.434785] RBP: 0000000000000000 R08: ff156d8642ba09d0 R09: ff156d86413d002c
[    6.434826] R10: ff156d8645cb5120 R11: fefefefefefefeff R12: 0000000000000000
[    6.434876] R13: 0000000000000011 R14: ff156d8645cb5000 R15: ff156d8641d67100
[    6.434929] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.434973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.435009] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.435052] PKRU: 55555554
[    6.435066] Call Trace:
[    6.435079]  <TASK>
[    6.435092]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.435120]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    6.435147]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    6.435168]  cleanup_net (net/core/net_namespace.c:702)
[    6.435189]  process_one_work (kernel/workqueue.c:3314)
[    6.435210]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.435233]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.435254]  kthread (kernel/kthread.c:436)
[    6.435273]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.435295]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.435318]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.435339]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    6.435430] ------------[ cut here ]------------
| [    6.435455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    6.435508] Modules linked in:
| [    6.435582] Tainted: [W]=WARN
[    6.435606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    6.435638] Workqueue: netns cleanup_net
[    6.435659] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    6.435686] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    6.435776] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    6.435804] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    6.435850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    6.435890] RBP: 0000000000000000 R08: ff156d864445e390 R09: ff156d8645cec82c
[    6.435929] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[    6.435971] R13: 0000000000000011 R14: ff156d8644676000 R15: ff156d8641d67100
[    6.436014] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    6.436058] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.436093] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    6.436139] PKRU: 55555554
[    6.436154] Call Trace:
[    6.436166]  <TASK>
[    6.436182]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    6.436209]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    6.436233]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    6.436255]  cleanup_net (net/core/net_namespace.c:702)
[    6.436277]  process_one_work (kernel/workqueue.c:3314)
[    6.436300]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    6.436319]  ? rescuer_thread (kernel/workqueue.c:3672)
[    6.436338]  kthread (kernel/kthread.c:436)
[    6.436359]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.436383]  ret_from_fork (arch/x86/kernel/process.c:158)
[    6.436404]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    6.436426]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.395355] ------------[ cut here ]------------
| [    7.395457] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    7.395525] Modules linked in:
| [    7.395648] Tainted: [W]=WARN
[    7.395669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.395715] Workqueue: netns cleanup_net
[    7.395739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.395773] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.395886] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    7.395918] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.395955] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    7.396003] RBP: 0000000000000000 R08: ff156d8641908e50 R09: ff156d8645d75030
[    7.396043] R10: ff156d8645d8a120 R11: fefefefefefefeff R12: 0000000000000000
[    7.396087] R13: 0000000000000011 R14: ff156d8645d8a000 R15: ff156d8641d67100
[    7.396136] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    7.396193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.396233] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    7.396277] PKRU: 55555554
[    7.396299] Call Trace:
[    7.396314]  <TASK>
[    7.396332]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.396357]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.396390]  cleanup_net (net/core/net_namespace.c:702)
[    7.396421]  process_one_work (kernel/workqueue.c:3314)
[    7.396449]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.396485]  ? rescuer_thread (kernel/workqueue.c:3672)
[    7.396507]  kthread (kernel/kthread.c:436)
[    7.396529]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.396560]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.396585]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.396612]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.396800] ------------[ cut here ]------------
| [    7.396856] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    7.396937] Modules linked in:
| [    7.397045] Tainted: [W]=WARN
[    7.397071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.397126] Workqueue: netns cleanup_net
[    7.397158] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.397189] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.397309] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    7.397337] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.397387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    7.397433] RBP: 0000000000000000 R08: ff156d8641908dd0 R09: ff156d8645d80030
[    7.397474] R10: ff156d8645d7d120 R11: fefefefefefefeff R12: 0000000000000000
[    7.397507] R13: 0000000000000011 R14: ff156d8645d7d000 R15: ff156d8641d67100
[    7.397559] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    7.397621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.397658] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    7.397711] PKRU: 55555554
[    7.397729] Call Trace:
[    7.397761]  <TASK>
[    7.397774]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.397799]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.397832]  cleanup_net (net/core/net_namespace.c:702)
[    7.397856]  process_one_work (kernel/workqueue.c:3314)
[    7.397887]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.397917]  ? rescuer_thread (kernel/workqueue.c:3672)
[    7.397948]  kthread (kernel/kthread.c:436)
[    7.397967]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.397985]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.398004]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.398045]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.398185] ------------[ cut here ]------------
| [    7.398210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    7.398277] Modules linked in:
| [    7.398385] Tainted: [W]=WARN
[    7.398413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.398459] Workqueue: netns cleanup_net
[    7.398484] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.398521] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.398641] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    7.398672] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.398713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    7.398762] RBP: 0000000000000000 R08: ff156d8641d47a50 R09: ff156d86432e8034
[    7.398803] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[    7.398863] R13: 0000000000000011 R14: ff156d8645d78000 R15: ff156d8641d67100
[    7.398912] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    7.398964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.398991] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    7.399061] PKRU: 55555554
[    7.399076] Call Trace:
[    7.399103]  <TASK>
[    7.399146]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.399181]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.399204]  cleanup_net (net/core/net_namespace.c:702)
[    7.399234]  process_one_work (kernel/workqueue.c:3314)
[    7.399255]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.399290]  ? rescuer_thread (kernel/workqueue.c:3672)
[    7.399312]  kthread (kernel/kthread.c:436)
[    7.399350]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.399372]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.399410]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.399432]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.399576] ------------[ cut here ]------------
| [    7.399612] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    7.399688] Modules linked in:
| [    7.399772] Tainted: [W]=WARN
[    7.399791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.399833] Workqueue: netns cleanup_net
[    7.399855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.399894] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.400005] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    7.400043] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.400094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    7.400141] RBP: 0000000000000000 R08: ff156d8641d47950 R09: ff156d8644679030
[    7.400190] R10: ff156d8645d79120 R11: fefefefefefefeff R12: 0000000000000000
[    7.400234] R13: 0000000000000011 R14: ff156d8645d79000 R15: ff156d8641d67100
[    7.400290] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    7.400345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.400401] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    7.400439] PKRU: 55555554
[    7.400459] Call Trace:
[    7.400476]  <TASK>
[    7.400491]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.400529]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.400549]  cleanup_net (net/core/net_namespace.c:702)
[    7.400579]  process_one_work (kernel/workqueue.c:3314)
[    7.400603]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.400639]  ? rescuer_thread (kernel/workqueue.c:3672)
[    7.400663]  kthread (kernel/kthread.c:436)
[    7.400690]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.400718]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.400736]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.400760]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.400881] ------------[ cut here ]------------
| [    7.400914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    7.400987] Modules linked in:
| [    7.401088] Tainted: [W]=WARN
[    7.401109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.401171] Workqueue: netns cleanup_net
[    7.401201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.401233] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.401355] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    7.401397] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.401451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    7.401505] RBP: 0000000000000000 R08: ff156d864445ea50 R09: ff156d8645d66830
[    7.401565] R10: ff156d8645d7a120 R11: fefefefefefefeff R12: 0000000000000000
[    7.401626] R13: 0000000000000011 R14: ff156d8645d7a000 R15: ff156d8641d67100
[    7.401681] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    7.401729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.401757] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    7.401811] PKRU: 55555554
[    7.401826] Call Trace:
[    7.401842]  <TASK>
[    7.401862]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.401891]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.401931]  cleanup_net (net/core/net_namespace.c:702)
[    7.401961]  process_one_work (kernel/workqueue.c:3314)
[    7.401989]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.402007]  ? rescuer_thread (kernel/workqueue.c:3672)
[    7.402030]  kthread (kernel/kthread.c:436)
[    7.402066]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.402089]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.402120]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.402145]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.402358] ------------[ cut here ]------------
| [    7.402445] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/176
| [    7.402538] Modules linked in:
| [    7.402741] Tainted: [W]=WARN
[    7.402803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.402883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.402957] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.403122] RSP: 0018:ff5eafed003efcb8 EFLAGS: 00010286
[    7.403189] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.403313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fd00
[    7.403391] RBP: 0000000000000000 R08: ff156d864451da50 R09: ff156d8645d7e02c
[    7.403479] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[    7.403569] R13: 0000000000000010 R14: ff156d8645d28000 R15: ff156d864326fd00
[    7.403661] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    7.403742] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.403826] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    7.403910] PKRU: 55555554
[    7.403961] Call Trace:
[    7.404022]  <TASK>
[    7.404090]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    7.404167]  register_netdevice (net/core/dev.c:11488)
[    7.404231]  register_netdev (net/core/dev.c:11552)
[    7.404288]  loopback_net_init (drivers/net/loopback.c:218)
[    7.404348]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    7.404423]  ops_init (net/core/net_namespace.c:137)
[    7.404485]  ? setup_net (net/core/net_namespace.c:447)
[    7.404546]  setup_net (net/core/net_namespace.c:446)
[    7.404615]  copy_net_ns (net/core/net_namespace.c:579)
[    7.404678]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.404749]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.404820]  ksys_unshare (kernel/fork.c:3243)
[    7.404882]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.404942]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.405007]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.405082] RIP: 0033:0x7f98023e7bcb
[    7.405139] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.405277] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.405356] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    7.405438] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    7.405515] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    7.405594] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    7.405677] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    7.405927] ------------[ cut here ]------------
| [    7.405991] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/176
| [    7.406087] Modules linked in:
| [    7.406236] Tainted: [W]=WARN
[    7.406290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.406360] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.406424] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.406558] RSP: 0018:ff5eafed003efc10 EFLAGS: 00010286
[    7.406628] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.406705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236500
[    7.406783] RBP: 0000000000000000 R08: ff156d86444b1390 R09: ff156d8645cc5030
[    7.406861] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[    7.406938] R13: 0000000000000010 R14: ff156d8645d7e000 R15: ff156d8643236500
[    7.407021] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    7.407106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.407179] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    7.407260] PKRU: 55555554
[    7.407308] Call Trace:
[    7.407356]  <TASK>
[    7.407406]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    7.407462]  register_netdevice (net/core/dev.c:11488)
[    7.407519]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    7.407577]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    7.407641]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    7.407700]  ops_init (net/core/net_namespace.c:137)
[    7.407757]  ? setup_net (net/core/net_namespace.c:447)
[    7.407813]  setup_net (net/core/net_namespace.c:446)
[    7.407869]  copy_net_ns (net/core/net_namespace.c:579)
[    7.407925]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.407994]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.408066]  ksys_unshare (kernel/fork.c:3243)
[    7.408123]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.408179]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.408237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.408300] RIP: 0033:0x7f98023e7bcb
[    7.408356] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.408489] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.408565] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    7.408650] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    7.408730] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    7.408805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    7.408882] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    7.409124] ------------[ cut here ]------------
| [    7.409203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/176
| [    7.409292] Modules linked in:
| [    7.409440] Tainted: [W]=WARN
[    7.409494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.409563] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.409663] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.409799] RSP: 0018:ff5eafed003efbf0 EFLAGS: 00010286
[    7.409862] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.409938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236e00
[    7.410015] RBP: 0000000000000000 R08: ff156d864451d790 R09: ff156d8645d4a830
[    7.410101] R10: ff156d8645d8b120 R11: fefefefefefefeff R12: 0000000000000000
[    7.410179] R13: 0000000000000010 R14: ff156d8645d8b000 R15: ff156d8643236e00
[    7.410258] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    7.410339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.410410] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    7.410490] PKRU: 55555554
[    7.410539] Call Trace:
[    7.410587]  <TASK>
[    7.410641]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    7.410698]  register_netdevice (net/core/dev.c:11488)
[    7.410758]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    7.410815]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    7.410872]  vti_init_net (net/ipv4/ip_vti.c:517)
[    7.410929]  ops_init (net/core/net_namespace.c:137)
[    7.410986]  ? setup_net (net/core/net_namespace.c:447)
[    7.411055]  setup_net (net/core/net_namespace.c:446)
[    7.411111]  copy_net_ns (net/core/net_namespace.c:579)
[    7.411168]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.411231]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.411295]  ksys_unshare (kernel/fork.c:3243)
[    7.411351]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.411408]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.411465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.411528] RIP: 0033:0x7f98023e7bcb
[    7.411584] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.411727] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.411807] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    7.411882] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    7.411959] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    7.412042] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    7.412120] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    7.412331] ------------[ cut here ]------------
| [    7.412359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    7.412419] Modules linked in:
| [    7.412497] Tainted: [W]=WARN
[    7.412518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.412554] Workqueue: netns cleanup_net
[    7.412575] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.412607] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.412706] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    7.412734] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.412778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    7.412815] RBP: 0000000000000000 R08: ff156d864445e950 R09: ff156d8645d7002c
[    7.412859] R10: ff156d8645d6d120 R11: fefefefefefefeff R12: 0000000000000000
[    7.412904] R13: 0000000000000011 R14: ff156d8645d6d000 R15: ff156d8641d67100
[    7.412950] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    7.412998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.413035] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    7.413078] PKRU: 55555554
[    7.413090] Call Trace:
[    7.413105]  <TASK>
[    7.413119]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.413151]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    7.413184]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    7.413207]  cleanup_net (net/core/net_namespace.c:702)
[    7.413227]  process_one_work (kernel/workqueue.c:3314)
[    7.413247]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.413270]  ? rescuer_thread (kernel/workqueue.c:3672)
[    7.413292]  kthread (kernel/kthread.c:436)
[    7.413313]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.413331]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.413352]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    7.413372]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.413525] ------------[ cut here ]------------
| [    7.413589] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/176
| [    7.413678] Modules linked in:
| [    7.413829] Tainted: [W]=WARN
[    7.413885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.413955] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.414020] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.414158] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    7.414358] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.414437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58600
[    7.414516] RBP: 0000000000000000 R08: ff156d864448ecd0 R09: ff156d8645d5a034
[    7.414594] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[    7.414692] R13: 0000000000000010 R14: ff156d8645d47000 R15: ff156d8641d58600
[    7.414773] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    7.414852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.414922] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    7.415006] PKRU: 55555554
[    7.415059] Call Trace:
[    7.415107]  <TASK>
[    7.415156]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    7.415212]  register_netdevice (net/core/dev.c:11488)
[    7.415268]  register_netdev (net/core/dev.c:11552)
[    7.415325]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    7.415383]  ops_init (net/core/net_namespace.c:137)
[    7.415440]  ? setup_net (net/core/net_namespace.c:447)
[    7.415496]  setup_net (net/core/net_namespace.c:446)
[    7.415554]  copy_net_ns (net/core/net_namespace.c:579)
[    7.415616]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.415681]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.415744]  ksys_unshare (kernel/fork.c:3243)
[    7.415801]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.415873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.415933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.415998] RIP: 0033:0x7f98023e7bcb
[    7.416059] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.416187] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.416268] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    7.416348] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    7.416431] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    7.416507] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    7.416586] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    7.416837] ------------[ cut here ]------------
| [    7.416900] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/176
| [    7.416988] Modules linked in:
| [    7.417145] Tainted: [W]=WARN
[    7.417199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.417270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.417332] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.417464] RSP: 0018:ff5eafed003efca0 EFLAGS: 00010286
[    7.417527] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.417610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[    7.417688] RBP: 0000000000000000 R08: ff156d864440bb90 R09: ff156d8645d7f030
[    7.417764] R10: ff156d8645d5a120 R11: fefefefefefefeff R12: 0000000000000000
[    7.417840] R13: 0000000000000010 R14: ff156d8645d5a000 R15: ff156d864326fc00
[    7.417934] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    7.418013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.418090] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    7.418169] PKRU: 55555554
[    7.418217] Call Trace:
[    7.418266]  <TASK>
[    7.418315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    7.418372]  register_netdevice (net/core/dev.c:11488)
[    7.418429]  register_netdev (net/core/dev.c:11552)
[    7.418486]  sit_init_net (net/ipv6/sit.c:1860)
[    7.418543]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    7.418607]  ops_init (net/core/net_namespace.c:137)
[    7.418666]  ? setup_net (net/core/net_namespace.c:447)
[    7.418723]  setup_net (net/core/net_namespace.c:446)
[    7.418780]  copy_net_ns (net/core/net_namespace.c:579)
[    7.418837]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.418901]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.418965]  ksys_unshare (kernel/fork.c:3243)
[    7.419022]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.419086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.419143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.419207] RIP: 0033:0x7f98023e7bcb
[    7.419263] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.419399] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.419478] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    7.419554] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    7.419639] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    7.419716] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    7.419792] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    7.420052] ------------[ cut here ]------------
| [    7.420118] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/176
| [    7.420202] Modules linked in:
| [    7.420350] Tainted: [W]=WARN
[    7.420405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.420477] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.420540] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.420688] RSP: 0018:ff5eafed003efca8 EFLAGS: 00010286
[    7.420751] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    7.420830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322cc00
[    7.420908] RBP: 0000000000000000 R08: ff156d8641944150 R09: ff156d864317d030
[    7.420985] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[    7.421068] R13: 0000000000000010 R14: ff156d8645d7f000 R15: ff156d864322cc00
[    7.421150] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    7.421230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.421301] CR2: 00007f98023e7bc0 CR3: 0000000001941001 CR4: 0000000000771ef0
[    7.421381] PKRU: 55555554
[    7.421430] Call Trace:
[    7.421479]  <TASK>
[    7.421528]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    7.421585]  register_netdevice (net/core/dev.c:11488)
[    7.421669]  register_netdev (net/core/dev.c:11552)
[    7.421730]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    7.421789]  ops_init (net/core/net_namespace.c:137)
[    7.421852]  ? setup_net (net/core/net_namespace.c:447)
[    7.421916]  setup_net (net/core/net_namespace.c:446)
[    7.421977]  copy_net_ns (net/core/net_namespace.c:579)
[    7.422041]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.422105]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.422169]  ksys_unshare (kernel/fork.c:3243)
[    7.422224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.422280]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.422336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.422398] RIP: 0033:0x7f98023e7bcb
[    7.422454] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.422584] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.422666] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    7.422741] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    7.422815] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    7.422891] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    7.422968] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    8.423482] ------------[ cut here ]------------
| [    8.423587] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    8.423656] Modules linked in:
| [    8.423771] Tainted: [W]=WARN
[    8.423800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.423862] Workqueue: netns cleanup_net
[    8.423892] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.423923] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.424047] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    8.424087] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.424138] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    8.424184] RBP: 0000000000000000 R08: ff156d8641944150 R09: ff156d8645cfb030
[    8.424248] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[    8.424303] R13: 0000000000000011 R14: ff156d8645d7f000 R15: ff156d8641d67100
[    8.424359] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    8.424414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.424446] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    8.424482] PKRU: 55555554
[    8.424495] Call Trace:
[    8.424507]  <TASK>
[    8.424520]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.424556]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.424587]  cleanup_net (net/core/net_namespace.c:702)
[    8.424615]  process_one_work (kernel/workqueue.c:3314)
[    8.424645]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.424664]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.424697]  kthread (kernel/kthread.c:436)
[    8.424718]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.424749]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.424771]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.424791]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.424916] ------------[ cut here ]------------
| [    8.424953] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    8.425017] Modules linked in:
| [    8.425120] Tainted: [W]=WARN
[    8.425146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.425180] Workqueue: netns cleanup_net
[    8.425211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.425240] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.425352] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    8.425381] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.425442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    8.425495] RBP: 0000000000000000 R08: ff156d864440bb90 R09: ff156d86432ed830
[    8.425548] R10: ff156d8645d5a120 R11: fefefefefefefeff R12: 0000000000000000
[    8.425587] R13: 0000000000000011 R14: ff156d8645d5a000 R15: ff156d8641d67100
[    8.425628] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    8.425681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.425727] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    8.425783] PKRU: 55555554
[    8.425796] Call Trace:
[    8.425814]  <TASK>
[    8.425834]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.425863]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.425885]  cleanup_net (net/core/net_namespace.c:702)
[    8.425904]  process_one_work (kernel/workqueue.c:3314)
[    8.425933]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.425960]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.425990]  kthread (kernel/kthread.c:436)
[    8.426011]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.426036]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.426062]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.426082]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.426182] ------------[ cut here ]------------
| [    8.426218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    8.426287] Modules linked in:
| [    8.426385] Tainted: [W]=WARN
[    8.426400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.426460] Workqueue: netns cleanup_net
[    8.426482] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.426505] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.426629] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    8.426658] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.426707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    8.426762] RBP: 0000000000000000 R08: ff156d864448ecd0 R09: ff156d8644679834
[    8.426807] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[    8.426862] R13: 0000000000000011 R14: ff156d8645d47000 R15: ff156d8641d67100
[    8.426906] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    8.426958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.426989] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    8.427039] PKRU: 55555554
[    8.427060] Call Trace:
[    8.427095]  <TASK>
[    8.427112]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.427155]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.427176]  cleanup_net (net/core/net_namespace.c:702)
[    8.427203]  process_one_work (kernel/workqueue.c:3314)
[    8.427227]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.427253]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.427283]  kthread (kernel/kthread.c:436)
[    8.427305]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.427341]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.427363]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.427382]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.427484] ------------[ cut here ]------------
| [    8.427522] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    8.427579] Modules linked in:
| [    8.427667] Tainted: [W]=WARN
[    8.427686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.427724] Workqueue: netns cleanup_net
[    8.427745] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.427780] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.427895] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    8.427928] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.427973] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    8.428024] RBP: 0000000000000000 R08: ff156d864451d790 R09: ff156d8645d08830
[    8.428068] R10: ff156d8645d8b120 R11: fefefefefefefeff R12: 0000000000000000
[    8.428115] R13: 0000000000000011 R14: ff156d8645d8b000 R15: ff156d8641d67100
[    8.428161] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    8.428214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.428260] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    8.428309] PKRU: 55555554
[    8.428330] Call Trace:
[    8.428355]  <TASK>
[    8.428377]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.428406]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.428430]  cleanup_net (net/core/net_namespace.c:702)
[    8.428466]  process_one_work (kernel/workqueue.c:3314)
[    8.428487]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.428518]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.428541]  kthread (kernel/kthread.c:436)
[    8.428567]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.428596]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.428625]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.428661]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.428769] ------------[ cut here ]------------
| [    8.428793] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    8.428864] Modules linked in:
| [    8.428964] Tainted: [W]=WARN
[    8.428987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.429029] Workqueue: netns cleanup_net
[    8.429055] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.429119] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.429253] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    8.429288] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.429336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    8.429388] RBP: 0000000000000000 R08: ff156d86444b1390 R09: ff156d8645d77030
[    8.429459] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[    8.429515] R13: 0000000000000011 R14: ff156d8645d7e000 R15: ff156d8641d67100
[    8.429569] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    8.429608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.429655] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    8.429700] PKRU: 55555554
[    8.429728] Call Trace:
[    8.429741]  <TASK>
[    8.429756]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.429789]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.429811]  cleanup_net (net/core/net_namespace.c:702)
[    8.429837]  process_one_work (kernel/workqueue.c:3314)
[    8.429857]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.429876]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.429898]  kthread (kernel/kthread.c:436)
[    8.429927]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.429949]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.429977]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.430008]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.430278] ------------[ cut here ]------------
| [    8.430350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/178
| [    8.430458] Modules linked in:
| [    8.430661] Tainted: [W]=WARN
[    8.430716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.430785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.430863] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.431019] RSP: 0018:ff5eafed00337cb8 EFLAGS: 00010286
[    8.431111] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.431196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322b600
[    8.431283] RBP: 0000000000000000 R08: ff156d864445eed0 R09: ff156d8645d6802c
[    8.431365] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[    8.431449] R13: 0000000000000010 R14: ff156d8645d5c000 R15: ff156d864322b600
[    8.431545] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    8.431640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.431731] CR2: 00007f98023e7bc0 CR3: 000000000441a002 CR4: 0000000000771ef0
[    8.431825] PKRU: 55555554
[    8.431884] Call Trace:
[    8.431942]  <TASK>
[    8.432001]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.432067]  register_netdevice (net/core/dev.c:11488)
[    8.432145]  register_netdev (net/core/dev.c:11552)
[    8.432219]  loopback_net_init (drivers/net/loopback.c:218)
[    8.432277]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    8.432343]  ops_init (net/core/net_namespace.c:137)
[    8.432400]  setup_net (net/core/net_namespace.c:446)
[    8.432458]  copy_net_ns (net/core/net_namespace.c:579)
[    8.432515]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.432579]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.432649]  ksys_unshare (kernel/fork.c:3243)
[    8.432706]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.432762]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.432819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.432883] RIP: 0033:0x7f98023e7bcb
[    8.432939] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.433084] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.433162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    8.433239] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    8.433316] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    8.433393] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    8.433469] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    8.433725] ------------[ cut here ]------------
| [    8.433797] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/178
| [    8.433884] Modules linked in:
| [    8.434082] Tainted: [W]=WARN
[    8.434143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.434212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.434275] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.434404] RSP: 0018:ff5eafed00337c10 EFLAGS: 00010286
[    8.434467] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.434544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58600
[    8.434627] RBP: 0000000000000000 R08: ff156d864445ef50 R09: ff156d8645d72030
[    8.434703] R10: ff156d8645d68120 R11: fefefefefefefeff R12: 0000000000000000
[    8.434779] R13: 0000000000000010 R14: ff156d8645d68000 R15: ff156d8641d58600
[    8.434859] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    8.434936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.435005] CR2: 00007f98023e7bc0 CR3: 000000000441a002 CR4: 0000000000771ef0
[    8.435087] PKRU: 55555554
[    8.435135] Call Trace:
[    8.435184]  <TASK>
[    8.435232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.435291]  register_netdevice (net/core/dev.c:11488)
[    8.435347]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.435406]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.435463]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    8.435520]  ops_init (net/core/net_namespace.c:137)
[    8.435577]  setup_net (net/core/net_namespace.c:446)
[    8.435658]  copy_net_ns (net/core/net_namespace.c:579)
[    8.435716]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.435780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.435844]  ksys_unshare (kernel/fork.c:3243)
[    8.435901]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.435957]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.436015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.436083] RIP: 0033:0x7f98023e7bcb
[    8.436140] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.436272] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.436351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    8.436428] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    8.436506] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    8.436583] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    8.436666] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    8.436909] ------------[ cut here ]------------
| [    8.436973] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/178
| [    8.437070] Modules linked in:
| [    8.437219] Tainted: [W]=WARN
[    8.437274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.437344] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.437410] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.437540] RSP: 0018:ff5eafed00337bf0 EFLAGS: 00010286
[    8.437610] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.437686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236d00
[    8.437766] RBP: 0000000000000000 R08: ff156d8641d47650 R09: ff156d8645d80830
[    8.437843] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[    8.437921] R13: 0000000000000010 R14: ff156d8645d6b000 R15: ff156d8643236d00
[    8.438001] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    8.438085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.438156] CR2: 00007f98023e7bc0 CR3: 000000000441a002 CR4: 0000000000771ef0
[    8.438233] PKRU: 55555554
[    8.438282] Call Trace:
[    8.438330]  <TASK>
[    8.438379]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.438435]  register_netdevice (net/core/dev.c:11488)
[    8.438491]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    8.438549]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    8.438611]  vti_init_net (net/ipv4/ip_vti.c:517)
[    8.438668]  ops_init (net/core/net_namespace.c:137)
[    8.438725]  setup_net (net/core/net_namespace.c:446)
[    8.438781]  copy_net_ns (net/core/net_namespace.c:579)
[    8.438837]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.438900]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.438970]  ksys_unshare (kernel/fork.c:3243)
[    8.439033]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.439088]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.439145]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.439208] RIP: 0033:0x7f98023e7bcb
[    8.439263] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.439394] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.439471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    8.439547] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    8.439628] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    8.439704] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    8.439779] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    8.440022] ------------[ cut here ]------------
| [    8.440095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/178
| [    8.440182] Modules linked in:
| [    8.440329] Tainted: [W]=WARN
[    8.440383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.440454] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.440516] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.440652] RSP: 0018:ff5eafed00337ca8 EFLAGS: 00010286
[    8.440744] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.440822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236500
[    8.440898] RBP: 0000000000000000 R08: ff156d8643080790 R09: ff156d8645d6f034
[    8.440973] R10: ff156d8645d45120 R11: fefefefefefefeff R12: 0000000000000000
[    8.441058] R13: 0000000000000010 R14: ff156d8645d45000 R15: ff156d8643236500
[    8.441138] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    8.441216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.441284] CR2: 00007f98023e7bc0 CR3: 000000000441a002 CR4: 0000000000771ef0
[    8.441362] PKRU: 55555554
[    8.441410] Call Trace:
[    8.441458]  <TASK>
[    8.441506]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.441563]  register_netdevice (net/core/dev.c:11488)
[    8.441625]  register_netdev (net/core/dev.c:11552)
[    8.441681]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    8.441738]  ops_init (net/core/net_namespace.c:137)
[    8.441795]  setup_net (net/core/net_namespace.c:446)
[    8.441851]  copy_net_ns (net/core/net_namespace.c:579)
[    8.441907]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.441970]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.442039]  ksys_unshare (kernel/fork.c:3243)
[    8.442096]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.442151]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.442207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.442269] RIP: 0033:0x7f98023e7bcb
[    8.442325] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.442452] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.442550] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    8.442632] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    8.442710] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    8.442789] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    8.442866] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    8.443079] ------------[ cut here ]------------
| [    8.443107] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    8.443166] Modules linked in:
| [    8.443251] Tainted: [W]=WARN
[    8.443274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.443311] Workqueue: netns cleanup_net
[    8.443333] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.443362] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.443462] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    8.443491] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.443531] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    8.443575] RBP: 0000000000000000 R08: ff156d864451da50 R09: ff156d864467a82c
[    8.443622] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[    8.443662] R13: 0000000000000011 R14: ff156d8645d28000 R15: ff156d8641d67100
[    8.443705] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    8.443749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.443784] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    8.443837] PKRU: 55555554
[    8.443851] Call Trace:
[    8.443866]  <TASK>
[    8.443883]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.443913]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.443942]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.443965]  cleanup_net (net/core/net_namespace.c:702)
[    8.443985]  process_one_work (kernel/workqueue.c:3314)
[    8.444013]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.444036]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.444055]  kthread (kernel/kthread.c:436)
[    8.444077]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.444100]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.444122]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.444142]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.444298] ------------[ cut here ]------------
| [    8.444361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/178
| [    8.444447] Modules linked in:
| [    8.444596] Tainted: [W]=WARN
[    8.444656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.444724] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.444788] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.444923] RSP: 0018:ff5eafed00337ca0 EFLAGS: 00010286
[    8.444986] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.445070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[    8.445146] RBP: 0000000000000000 R08: ff156d864195ab50 R09: ff156d8645d6c030
[    8.445223] R10: ff156d8645d6f120 R11: fefefefefefefeff R12: 0000000000000000
[    8.445301] R13: 0000000000000010 R14: ff156d8645d6f000 R15: ff156d864326fc00
[    8.445381] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    8.445458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.445529] CR2: 00007f98023e7bc0 CR3: 000000000441a002 CR4: 0000000000771ef0
[    8.445613] PKRU: 55555554
[    8.445671] Call Trace:
[    8.445722]  <TASK>
[    8.445770]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.445826]  register_netdevice (net/core/dev.c:11488)
[    8.445882]  register_netdev (net/core/dev.c:11552)
[    8.445937]  sit_init_net (net/ipv6/sit.c:1860)
[    8.445994]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    8.446058]  ops_init (net/core/net_namespace.c:137)
[    8.446115]  setup_net (net/core/net_namespace.c:446)
[    8.446172]  copy_net_ns (net/core/net_namespace.c:579)
[    8.446228]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.446290]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.446352]  ksys_unshare (kernel/fork.c:3243)
[    8.446408]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.446464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.446520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.446582] RIP: 0033:0x7f98023e7bcb
[    8.446642] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.446770] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.446847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    8.446923] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    8.447001] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    8.447080] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    8.447156] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    8.447394] ------------[ cut here ]------------
| [    8.447455] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/178
| [    8.447538] Modules linked in:
| [    8.447686] Tainted: [W]=WARN
[    8.447740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.447809] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.447871] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.447999] RSP: 0018:ff5eafed00337ca8 EFLAGS: 00010286
[    8.448066] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.448162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234500
[    8.448236] RBP: 0000000000000000 R08: ff156d8641908ad0 R09: ff156d8645d46030
[    8.448315] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[    8.448393] R13: 0000000000000010 R14: ff156d8645d6c000 R15: ff156d8643234500
[    8.448473] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    8.448550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.448624] CR2: 00007f98023e7bc0 CR3: 000000000441a002 CR4: 0000000000771ef0
[    8.448702] PKRU: 55555554
[    8.448750] Call Trace:
[    8.448820]  <TASK>
[    8.448870]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.448929]  register_netdevice (net/core/dev.c:11488)
[    8.448986]  register_netdev (net/core/dev.c:11552)
[    8.449048]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    8.449105]  ops_init (net/core/net_namespace.c:137)
[    8.449161]  setup_net (net/core/net_namespace.c:446)
[    8.449218]  copy_net_ns (net/core/net_namespace.c:579)
[    8.449274]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.449338]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.449402]  ksys_unshare (kernel/fork.c:3243)
[    8.449458]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.449514]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.449570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.449651] RIP: 0033:0x7f98023e7bcb
[    8.449707] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.449835] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.449909] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    8.449985] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    8.450065] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    8.450141] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    8.450216] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    9.450764] ------------[ cut here ]------------
| [    9.450862] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    9.450934] Modules linked in:
| [    9.451035] Tainted: [W]=WARN
[    9.451082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.451115] Workqueue: netns cleanup_net
[    9.451142] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.451177] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.451294] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    9.451347] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.451411] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    9.451472] RBP: 0000000000000000 R08: ff156d8641908ad0 R09: ff156d8645cc6030
[    9.451535] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[    9.451589] R13: 0000000000000011 R14: ff156d8645d6c000 R15: ff156d8641d67100
[    9.451642] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    9.451703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.451746] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    9.451793] PKRU: 55555554
[    9.451820] Call Trace:
[    9.451835]  <TASK>
[    9.451865]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.451898]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.451919]  cleanup_net (net/core/net_namespace.c:702)
[    9.451955]  process_one_work (kernel/workqueue.c:3314)
[    9.451990]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.452010]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.452048]  kthread (kernel/kthread.c:436)
[    9.452072]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.452103]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.452126]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.452154]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.452288] ------------[ cut here ]------------
| [    9.452328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    9.452412] Modules linked in:
| [    9.452484] Tainted: [W]=WARN
[    9.452504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.452538] Workqueue: netns cleanup_net
[    9.452574] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.452602] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.452739] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    9.452777] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.452833] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    9.452884] RBP: 0000000000000000 R08: ff156d864195ab50 R09: ff156d864468e830
[    9.452947] R10: ff156d8645d6f120 R11: fefefefefefefeff R12: 0000000000000000
[    9.452998] R13: 0000000000000011 R14: ff156d8645d6f000 R15: ff156d8641d67100
[    9.453055] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    9.453113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.453155] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    9.453198] PKRU: 55555554
[    9.453212] Call Trace:
[    9.453226]  <TASK>
[    9.453239]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.453266]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.453290]  cleanup_net (net/core/net_namespace.c:702)
[    9.453323]  process_one_work (kernel/workqueue.c:3314)
[    9.453344]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.453364]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.453384]  kthread (kernel/kthread.c:436)
[    9.453416]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.453446]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.453471]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.453498]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.453616] ------------[ cut here ]------------
| [    9.453656] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    9.453716] Modules linked in:
| [    9.453818] Tainted: [W]=WARN
[    9.453841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.453874] Workqueue: netns cleanup_net
[    9.453904] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.453953] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.454084] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    9.454122] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.454160] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    9.454212] RBP: 0000000000000000 R08: ff156d8643080790 R09: ff156d8645d0e834
[    9.454279] R10: ff156d8645d45120 R11: fefefefefefefeff R12: 0000000000000000
[    9.454329] R13: 0000000000000011 R14: ff156d8645d45000 R15: ff156d8641d67100
[    9.454382] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    9.454437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.454477] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    9.454529] PKRU: 55555554
[    9.454542] Call Trace:
[    9.454554]  <TASK>
[    9.454567]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.454592]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.454630]  cleanup_net (net/core/net_namespace.c:702)
[    9.454667]  process_one_work (kernel/workqueue.c:3314)
[    9.454687]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.454708]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.454727]  kthread (kernel/kthread.c:436)
[    9.454753]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.454785]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.454809]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.454848]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.454944] ------------[ cut here ]------------
| [    9.454981] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    9.455055] Modules linked in:
| [    9.455141] Tainted: [W]=WARN
[    9.455169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.455210] Workqueue: netns cleanup_net
[    9.455237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.455289] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.455420] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    9.455461] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.455523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    9.455576] RBP: 0000000000000000 R08: ff156d8641d47650 R09: ff156d8645d71830
[    9.455640] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[    9.455687] R13: 0000000000000011 R14: ff156d8645d6b000 R15: ff156d8641d67100
[    9.455739] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    9.455793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.455825] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    9.455863] PKRU: 55555554
[    9.455880] Call Trace:
[    9.455892]  <TASK>
[    9.455907]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.455946]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.455969]  cleanup_net (net/core/net_namespace.c:702)
[    9.455990]  process_one_work (kernel/workqueue.c:3314)
[    9.456036]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.456072]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.456091]  kthread (kernel/kthread.c:436)
[    9.456113]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.456141]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.456165]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.456185]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.456348] ------------[ cut here ]------------
| [    9.456383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    9.456439] Modules linked in:
| [    9.456542] Tainted: [W]=WARN
[    9.456563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.456594] Workqueue: netns cleanup_net
[    9.456632] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.456667] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.456800] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[    9.456840] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.456889] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    9.456946] RBP: 0000000000000000 R08: ff156d864445ef50 R09: ff156d8645d72830
[    9.456987] R10: ff156d8645d68120 R11: fefefefefefefeff R12: 0000000000000000
[    9.457030] R13: 0000000000000011 R14: ff156d8645d68000 R15: ff156d8641d67100
[    9.457089] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    9.457146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.457193] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    9.457247] PKRU: 55555554
[    9.457260] Call Trace:
[    9.457272]  <TASK>
[    9.457285]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.457326]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.457348]  cleanup_net (net/core/net_namespace.c:702)
[    9.457368]  process_one_work (kernel/workqueue.c:3314)
[    9.457395]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.457431]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.457451]  kthread (kernel/kthread.c:436)
[    9.457479]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.457503]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.457539]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.457561]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.457775] ------------[ cut here ]------------
| [    9.457840] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/180
| [    9.457946] Modules linked in:
| [    9.458133] Tainted: [W]=WARN
[    9.458192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.458283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.458360] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.458518] RSP: 0018:ff5eafed003ffcb8 EFLAGS: 00010286
[    9.458591] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.458691] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fd00
[    9.458774] RBP: 0000000000000000 R08: ff156d8641962b90 R09: ff156d8642f8f02c
[    9.458874] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[    9.458965] R13: 0000000000000010 R14: ff156d8645d5f000 R15: ff156d864326fd00
[    9.459068] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    9.459167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.459259] CR2: 00007f98023e7bc0 CR3: 00000000033ff004 CR4: 0000000000771ef0
[    9.459354] PKRU: 55555554
[    9.459413] Call Trace:
[    9.459472]  <TASK>
[    9.459521]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.459600]  register_netdevice (net/core/dev.c:11488)
[    9.459676]  register_netdev (net/core/dev.c:11552)
[    9.459744]  loopback_net_init (drivers/net/loopback.c:218)
[    9.459816]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    9.459896]  ops_init (net/core/net_namespace.c:137)
[    9.459970]  setup_net (net/core/net_namespace.c:446)
[    9.460052]  copy_net_ns (net/core/net_namespace.c:579)
[    9.460130]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.460196]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.460280]  ksys_unshare (kernel/fork.c:3243)
[    9.460350]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.460414]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.460482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.460554] RIP: 0033:0x7f98023e7bcb
[    9.460617] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.460774] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.460856] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    9.460956] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    9.461052] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    9.461134] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    9.461215] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    9.461487] ------------[ cut here ]------------
| [    9.461554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/180
| [    9.461657] Modules linked in:
| [    9.461833] Tainted: [W]=WARN
[    9.461895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.461973] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.462051] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.462214] RSP: 0018:ff5eafed003ffc10 EFLAGS: 00010286
[    9.462293] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.462372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236500
[    9.462451] RBP: 0000000000000000 R08: ff156d864445e610 R09: ff156d86413d0030
[    9.462531] R10: ff156d8642f8f120 R11: fefefefefefefeff R12: 0000000000000000
[    9.462616] R13: 0000000000000010 R14: ff156d8642f8f000 R15: ff156d8643236500
[    9.462698] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    9.462781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.462855] CR2: 00007f98023e7bc0 CR3: 00000000033ff004 CR4: 0000000000771ef0
[    9.462937] PKRU: 55555554
[    9.462990] Call Trace:
[    9.463051]  <TASK>
[    9.463105]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.463165]  register_netdevice (net/core/dev.c:11488)
[    9.463228]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.463291]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.463354]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    9.463418]  ops_init (net/core/net_namespace.c:137)
[    9.463478]  setup_net (net/core/net_namespace.c:446)
[    9.463548]  copy_net_ns (net/core/net_namespace.c:579)
[    9.463615]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.463685]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.463756]  ksys_unshare (kernel/fork.c:3243)
[    9.463820]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.463885]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.463948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.464018] RIP: 0033:0x7f98023e7bcb
[    9.464088] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.464215] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.464296] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    9.464377] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    9.464460] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    9.464539] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    9.464623] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    9.464866] ------------[ cut here ]------------
| [    9.464935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/180
| [    9.465032] Modules linked in:
| [    9.465194] Tainted: [W]=WARN
[    9.465257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.465332] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.465399] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.465524] RSP: 0018:ff5eafed003ffbf0 EFLAGS: 00010286
[    9.465592] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.465671] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236e00
[    9.465751] RBP: 0000000000000000 R08: ff156d8641908b90 R09: ff156d8645d1f830
[    9.465830] R10: ff156d8642f8d120 R11: fefefefefefefeff R12: 0000000000000000
[    9.465942] R13: 0000000000000010 R14: ff156d8642f8d000 R15: ff156d8643236e00
[    9.466032] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    9.466113] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.466188] CR2: 00007f98023e7bc0 CR3: 00000000033ff004 CR4: 0000000000771ef0
[    9.466269] PKRU: 55555554
[    9.466321] Call Trace:
[    9.466372]  <TASK>
[    9.466424]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.466484]  register_netdevice (net/core/dev.c:11488)
[    9.466547]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.466616]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.466679]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.466743]  ops_init (net/core/net_namespace.c:137)
[    9.466803]  setup_net (net/core/net_namespace.c:446)
[    9.466867]  copy_net_ns (net/core/net_namespace.c:579)
[    9.466929]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.466999]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.467075]  ksys_unshare (kernel/fork.c:3243)
[    9.467136]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.467191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.467256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.467324] RIP: 0033:0x7f98023e7bcb
[    9.467386] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.467513] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.467590] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    9.467674] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    9.467754] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    9.467834] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    9.467912] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    9.468130] ------------[ cut here ]------------
| [    9.468159] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [    9.468213] Modules linked in:
| [    9.468285] Tainted: [W]=WARN
[    9.468306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.468336] Workqueue: netns cleanup_net
[    9.468358] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.468384] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.468473] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[    9.468498] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.468538] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[    9.468579] RBP: 0000000000000000 R08: ff156d864445eed0 R09: ff156d8645d7602c
[    9.468625] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[    9.468666] R13: 0000000000000011 R14: ff156d8645d5c000 R15: ff156d8641d67100
[    9.468708] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[    9.468750] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.468785] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[    9.468826] PKRU: 55555554
[    9.468841] Call Trace:
[    9.468856]  <TASK>
[    9.468871]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.468898]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.468926]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.468945]  cleanup_net (net/core/net_namespace.c:702)
[    9.468966]  process_one_work (kernel/workqueue.c:3314)
[    9.468986]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.469007]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.469029]  kthread (kernel/kthread.c:436)
[    9.469052]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.469074]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.469096]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.469119]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.469269] ------------[ cut here ]------------
| [    9.469336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/180
| [    9.469423] Modules linked in:
| [    9.469577] Tainted: [W]=WARN
[    9.469642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.469712] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.469780] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.469902] RSP: 0018:ff5eafed003ffca8 EFLAGS: 00010286
[    9.469970] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.470056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58600
[    9.470136] RBP: 0000000000000000 R08: ff156d8642b53e50 R09: ff156d8645d6b034
[    9.470214] R10: ff156d8642f8c120 R11: fefefefefefefeff R12: 0000000000000000
[    9.470293] R13: 0000000000000010 R14: ff156d8642f8c000 R15: ff156d8641d58600
[    9.470375] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    9.470456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.470528] CR2: 00007f98023e7bc0 CR3: 00000000033ff004 CR4: 0000000000771ef0
[    9.470614] PKRU: 55555554
[    9.470667] Call Trace:
[    9.470720]  <TASK>
[    9.470773]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.470836]  register_netdevice (net/core/dev.c:11488)
[    9.470899]  register_netdev (net/core/dev.c:11552)
[    9.470960]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.471027]  ops_init (net/core/net_namespace.c:137)
[    9.471096]  setup_net (net/core/net_namespace.c:446)
[    9.471161]  copy_net_ns (net/core/net_namespace.c:579)
[    9.471220]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.471286]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.471351]  ksys_unshare (kernel/fork.c:3243)
[    9.471410]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.471473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.471538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.471614] RIP: 0033:0x7f98023e7bcb
[    9.471676] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.471802] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.471881] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    9.471959] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    9.472042] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    9.472121] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    9.472201] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    9.472453] ------------[ cut here ]------------
| [    9.472538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/180
| [    9.472634] Modules linked in:
| [    9.472791] Tainted: [W]=WARN
[    9.472853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.472927] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.472997] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.473133] RSP: 0018:ff5eafed003ffca0 EFLAGS: 00010286
[    9.473202] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.473284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[    9.473365] RBP: 0000000000000000 R08: ff156d8642b53ed0 R09: ff156d8645d6c030
[    9.473446] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[    9.473526] R13: 0000000000000010 R14: ff156d8645d6b000 R15: ff156d864326fc00
[    9.473616] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    9.473698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.473772] CR2: 00007f98023e7bc0 CR3: 00000000033ff004 CR4: 0000000000771ef0
[    9.473850] PKRU: 55555554
[    9.473903] Call Trace:
[    9.473955]  <TASK>
[    9.474007]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.474076]  register_netdevice (net/core/dev.c:11488)
[    9.474141]  register_netdev (net/core/dev.c:11552)
[    9.474205]  sit_init_net (net/ipv6/sit.c:1860)
[    9.474271]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    9.474335]  ops_init (net/core/net_namespace.c:137)
[    9.474397]  setup_net (net/core/net_namespace.c:446)
[    9.474462]  copy_net_ns (net/core/net_namespace.c:579)
[    9.474526]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.474600]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.474677]  ksys_unshare (kernel/fork.c:3243)
[    9.474738]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.474800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.474864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.474932] RIP: 0033:0x7f98023e7bcb
[    9.474993] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.475122] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.475201] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    9.475278] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    9.475358] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    9.475434] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    9.475512] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [    9.475768] ------------[ cut here ]------------
| [    9.475836] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/180
| [    9.475922] Modules linked in:
| [    9.476077] Tainted: [W]=WARN
[    9.476138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.476212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.476280] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.476407] RSP: 0018:ff5eafed003ffca8 EFLAGS: 00010286
[    9.476475] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.476551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234200
[    9.476634] RBP: 0000000000000000 R08: ff156d8642b53f50 R09: ff156d864317d030
[    9.476714] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[    9.476790] R13: 0000000000000010 R14: ff156d8645d6c000 R15: ff156d8643234200
[    9.476872] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[    9.476950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.477033] CR2: 00007f98023e7bc0 CR3: 00000000033ff004 CR4: 0000000000771ef0
[    9.477111] PKRU: 55555554
[    9.477163] Call Trace:
[    9.477214]  <TASK>
[    9.477266]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.477329]  register_netdevice (net/core/dev.c:11488)
[    9.477393]  register_netdev (net/core/dev.c:11552)
[    9.477455]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.477519]  ops_init (net/core/net_namespace.c:137)
[    9.477582]  setup_net (net/core/net_namespace.c:446)
[    9.477647]  copy_net_ns (net/core/net_namespace.c:579)
[    9.477707]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.477776]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.477845]  ksys_unshare (kernel/fork.c:3243)
[    9.477908]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.477970]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.478040]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.478109] RIP: 0033:0x7f98023e7bcb
[    9.478170] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.478295] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.478374] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[    9.478453] RDX: 00000000004063e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[    9.478531] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[    9.478616] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[    9.478696] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.479155] ------------[ cut here ]------------
| [   10.479258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.479350] Modules linked in:
| [   10.479451] Tainted: [W]=WARN
[   10.479477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.479519] Workqueue: netns cleanup_net
[   10.479540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.479564] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.479695] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.479735] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.479804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.479860] RBP: 0000000000000000 R08: ff156d8642b53f50 R09: ff156d8645d00830
[   10.479897] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.479946] R13: 0000000000000011 R14: ff156d8645d6c000 R15: ff156d8641d67100
[   10.479992] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.480051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.480100] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[   10.480146] PKRU: 55555554
[   10.480166] Call Trace:
[   10.480181]  <TASK>
[   10.480194]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.480235]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.480267]  cleanup_net (net/core/net_namespace.c:702)
[   10.480287]  process_one_work (kernel/workqueue.c:3314)
[   10.480312]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.480342]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.480368]  kthread (kernel/kthread.c:436)
[   10.480395]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.480416]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.480435]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.480468]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.480583] ------------[ cut here ]------------
| [   10.480631] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.480700] Modules linked in:
| [   10.480801] Tainted: [W]=WARN
[   10.480837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.480870] Workqueue: netns cleanup_net
[   10.480900] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.480930] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.481058] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.481102] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.481145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.481202] RBP: 0000000000000000 R08: ff156d8642b53ed0 R09: ff156d8645d77830
[   10.481253] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[   10.481287] R13: 0000000000000011 R14: ff156d8645d6b000 R15: ff156d8641d67100
[   10.481329] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.481378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.481410] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[   10.481447] PKRU: 55555554
[   10.481464] Call Trace:
[   10.481484]  <TASK>
[   10.481500]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.481535]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.481559]  cleanup_net (net/core/net_namespace.c:702)
[   10.481579]  process_one_work (kernel/workqueue.c:3314)
[   10.481598]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.481633]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.481656]  kthread (kernel/kthread.c:436)
[   10.481676]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.481705]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.481726]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.481757]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.481862] ------------[ cut here ]------------
| [   10.481905] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.481971] Modules linked in:
| [   10.482065] Tainted: [W]=WARN
[   10.482094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.482146] Workqueue: netns cleanup_net
[   10.482166] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.482211] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.482329] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.482358] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.482407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.482459] RBP: 0000000000000000 R08: ff156d8642b53e50 R09: ff156d8645cfd834
[   10.482493] R10: ff156d8642f8c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.482538] R13: 0000000000000011 R14: ff156d8642f8c000 R15: ff156d8641d67100
[   10.482594] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.482652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.482689] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[   10.482740] PKRU: 55555554
[   10.482763] Call Trace:
[   10.482777]  <TASK>
[   10.482793]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.482832]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.482855]  cleanup_net (net/core/net_namespace.c:702)
[   10.482892]  process_one_work (kernel/workqueue.c:3314)
[   10.482911]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.482936]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.482965]  kthread (kernel/kthread.c:436)
[   10.482984]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.483006]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.483049]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.483071]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.483201] ------------[ cut here ]------------
| [   10.483233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.483323] Modules linked in:
| [   10.483411] Tainted: [W]=WARN
[   10.483440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.483471] Workqueue: netns cleanup_net
[   10.483510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.483534] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.483646] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.483671] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.483716] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.483771] RBP: 0000000000000000 R08: ff156d8641908b90 R09: ff156d8643171830
[   10.483817] R10: ff156d8642f8d120 R11: fefefefefefefeff R12: 0000000000000000
[   10.483864] R13: 0000000000000011 R14: ff156d8642f8d000 R15: ff156d8641d67100
[   10.483914] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.483953] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.483998] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[   10.484049] PKRU: 55555554
[   10.484068] Call Trace:
[   10.484083]  <TASK>
[   10.484096]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.484124]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.484145]  cleanup_net (net/core/net_namespace.c:702)
[   10.484171]  process_one_work (kernel/workqueue.c:3314)
[   10.484195]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.484216]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.484247]  kthread (kernel/kthread.c:436)
[   10.484270]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.484300]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.484324]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.484350]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.484456] ------------[ cut here ]------------
| [   10.484496] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.484546] Modules linked in:
| [   10.484866] Tainted: [W]=WARN
[   10.484888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.484943] Workqueue: netns cleanup_net
[   10.484966] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.485003] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.485119] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.485150] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.485186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.485229] RBP: 0000000000000000 R08: ff156d864445e610 R09: ff156d8645cc2030
[   10.485275] R10: ff156d8642f8f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.485313] R13: 0000000000000011 R14: ff156d8642f8f000 R15: ff156d8641d67100
[   10.485368] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.485408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.485452] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[   10.485502] PKRU: 55555554
[   10.485525] Call Trace:
[   10.485543]  <TASK>
[   10.485557]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.485583]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.485620]  cleanup_net (net/core/net_namespace.c:702)
[   10.485661]  process_one_work (kernel/workqueue.c:3314)
[   10.485680]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.485698]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.485727]  kthread (kernel/kthread.c:436)
[   10.485753]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.485784]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.485805]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.485835]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.486060] ------------[ cut here ]------------
| [   10.486133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/182
| [   10.486242] Modules linked in:
| [   10.486418] Tainted: [W]=WARN
[   10.486486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.486559] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.486640] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.486797] RSP: 0018:ff5eafed00407cb8 EFLAGS: 00010286
[   10.486875] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.486964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fd00
[   10.487060] RBP: 0000000000000000 R08: ff156d86444e1310 R09: ff156d8645ccf02c
[   10.487149] R10: ff156d8645d6e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.487237] R13: 0000000000000010 R14: ff156d8645d6e000 R15: ff156d864326fd00
[   10.487330] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.487426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.487515] CR2: 00007f98023e7bc0 CR3: 0000000004710005 CR4: 0000000000771ef0
[   10.487617] PKRU: 55555554
[   10.487676] Call Trace:
[   10.487742]  <TASK>
[   10.487801]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.487863]  register_netdevice (net/core/dev.c:11488)
[   10.487931]  register_netdev (net/core/dev.c:11552)
[   10.487989]  loopback_net_init (drivers/net/loopback.c:218)
[   10.488055]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   10.488141]  ops_init (net/core/net_namespace.c:137)
[   10.488206]  ? setup_net (net/core/net_namespace.c:445 (discriminator 3))
[   10.488274]  setup_net (net/core/net_namespace.c:446)
[   10.488330]  copy_net_ns (net/core/net_namespace.c:579)
[   10.488402]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.488478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.488554]  ksys_unshare (kernel/fork.c:3243)
[   10.488620]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.488676]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.488735]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.488821] RIP: 0033:0x7f98023e7bcb
[   10.488897] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.489081] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.489184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.489271] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.489364] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.489470] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.489559] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.489849] ------------[ cut here ]------------
| [   10.489913] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/182
| [   10.490002] Modules linked in:
| [   10.490161] Tainted: [W]=WARN
[   10.490217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.490287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.490351] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.490482] RSP: 0018:ff5eafed00407c10 EFLAGS: 00010286
[   10.490547] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.490636] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58400
[   10.490716] RBP: 0000000000000000 R08: ff156d8641d47a10 R09: ff156d8645cc3830
[   10.490795] R10: ff156d8645ccf120 R11: fefefefefefefeff R12: 0000000000000000
[   10.490872] R13: 0000000000000010 R14: ff156d8645ccf000 R15: ff156d8641d58400
[   10.490953] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.491061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.491139] CR2: 00007f98023e7bc0 CR3: 0000000004710005 CR4: 0000000000771ef0
[   10.491218] PKRU: 55555554
[   10.491268] Call Trace:
[   10.491317]  <TASK>
[   10.491367]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.491425]  register_netdevice (net/core/dev.c:11488)
[   10.491482]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.491541]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.491598]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   10.491662]  ops_init (net/core/net_namespace.c:137)
[   10.491720]  ? setup_net (net/core/net_namespace.c:445 (discriminator 3))
[   10.491778]  setup_net (net/core/net_namespace.c:446)
[   10.491835]  copy_net_ns (net/core/net_namespace.c:579)
[   10.491900]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.491963]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.492035]  ksys_unshare (kernel/fork.c:3243)
[   10.492093]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.492150]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.492208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.492273] RIP: 0033:0x7f98023e7bcb
[   10.492330] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.492464] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.492543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.492628] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.492705] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.492781] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.492860] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.493107] ------------[ cut here ]------------
| [   10.493171] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/182
| [   10.493258] Modules linked in:
| [   10.493407] Tainted: [W]=WARN
[   10.493462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.493534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.493597] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.493738] RSP: 0018:ff5eafed00407bf0 EFLAGS: 00010286
[   10.493802] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.493880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236b00
[   10.493958] RBP: 0000000000000000 R08: ff156d8641901010 R09: ff156d8645d65030
[   10.494044] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.494122] R13: 0000000000000010 R14: ff156d864200e000 R15: ff156d8643236b00
[   10.494203] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.494282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.494353] CR2: 00007f98023e7bc0 CR3: 0000000004710005 CR4: 0000000000771ef0
[   10.494432] PKRU: 55555554
[   10.494482] Call Trace:
[   10.494531]  <TASK>
[   10.494580]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.494642]  register_netdevice (net/core/dev.c:11488)
[   10.494700]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.494758]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.494816]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.494873]  ops_init (net/core/net_namespace.c:137)
[   10.494932]  ? setup_net (net/core/net_namespace.c:445 (discriminator 3))
[   10.494989]  setup_net (net/core/net_namespace.c:446)
[   10.495054]  copy_net_ns (net/core/net_namespace.c:579)
[   10.495112]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.495185]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.495250]  ksys_unshare (kernel/fork.c:3243)
[   10.495308]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.495365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.495423]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.495487] RIP: 0033:0x7f98023e7bcb
[   10.495543] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.495686] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.495767] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.495846] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.495924] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.496004] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.496092] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.496344] ------------[ cut here ]------------
| [   10.496409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/182
| [   10.496498] Modules linked in:
| [   10.496657] Tainted: [W]=WARN
[   10.496712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.496784] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.496849] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.496983] RSP: 0018:ff5eafed00407ca8 EFLAGS: 00010286
[   10.497054] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.497132] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236300
[   10.497211] RBP: 0000000000000000 R08: ff156d86419010d0 R09: ff156d8645d6a034
[   10.497287] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   10.497364] R13: 0000000000000010 R14: ff156d8645cb7000 R15: ff156d8643236300
[   10.497446] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.497526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.497598] CR2: 00007f98023e7bc0 CR3: 0000000004710005 CR4: 0000000000771ef0
[   10.497682] PKRU: 55555554
[   10.497731] Call Trace:
[   10.497781]  <TASK>
[   10.497830]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.497887]  register_netdevice (net/core/dev.c:11488)
[   10.497945]  register_netdev (net/core/dev.c:11552)
[   10.498002]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.498068]  ops_init (net/core/net_namespace.c:137)
[   10.498126]  ? setup_net (net/core/net_namespace.c:445 (discriminator 3))
[   10.498184]  setup_net (net/core/net_namespace.c:446)
[   10.498242]  copy_net_ns (net/core/net_namespace.c:579)
[   10.498300]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.498365]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.498429]  ksys_unshare (kernel/fork.c:3243)
[   10.498487]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.498544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.498602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.498672] RIP: 0033:0x7f98023e7bcb
[   10.498729] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.498860] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.498939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.499017] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.499102] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.499181] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.499258] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.499467] ------------[ cut here ]------------
| [   10.499496] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.499556] Modules linked in:
| [   10.499644] Tainted: [W]=WARN
[   10.499668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.499699] Workqueue: netns cleanup_net
[   10.499724] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.499752] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.499849] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   10.499879] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.499919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.499962] RBP: 0000000000000000 R08: ff156d8641962b90 R09: ff156d86430f202c
[   10.500007] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.500054] R13: 0000000000000011 R14: ff156d8645d5f000 R15: ff156d8641d67100
[   10.500096] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.500137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.500173] CR2: 00005569a83ce070 CR3: 0000000004559003 CR4: 0000000000771ef0
[   10.500217] PKRU: 55555554
[   10.500231] Call Trace:
[   10.500245]  <TASK>
[   10.500260]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.500289]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.500318]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.500337]  cleanup_net (net/core/net_namespace.c:702)
[   10.500362]  process_one_work (kernel/workqueue.c:3314)
[   10.500384]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.500405]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.500427]  kthread (kernel/kthread.c:436)
[   10.500448]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.500471]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.500493]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.500516]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.500671] ------------[ cut here ]------------
| [   10.500735] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/182
| [   10.500823] Modules linked in:
| [   10.500974] Tainted: [W]=WARN
[   10.501037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.501109] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.501174] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.501311] RSP: 0018:ff5eafed00407ca0 EFLAGS: 00010286
[   10.501375] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.501452] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[   10.501529] RBP: 0000000000000000 R08: ff156d8641901150 R09: ff156d8642f8c030
[   10.501614] R10: ff156d8645d6a120 R11: fefefefefefefeff R12: 0000000000000000
[   10.501693] R13: 0000000000000010 R14: ff156d8645d6a000 R15: ff156d864326fc00
[   10.501774] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.501855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.501926] CR2: 00007f98023e7bc0 CR3: 0000000004710005 CR4: 0000000000771ef0
[   10.502007] PKRU: 55555554
[   10.502060] Call Trace:
[   10.502110]  <TASK>
[   10.502159]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.502217]  register_netdevice (net/core/dev.c:11488)
[   10.502275]  register_netdev (net/core/dev.c:11552)
[   10.502332]  sit_init_net (net/ipv6/sit.c:1860)
[   10.502390]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   10.502448]  ops_init (net/core/net_namespace.c:137)
[   10.502506]  ? setup_net (net/core/net_namespace.c:445 (discriminator 3))
[   10.502564]  setup_net (net/core/net_namespace.c:446)
[   10.502627]  copy_net_ns (net/core/net_namespace.c:579)
[   10.502686]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.502757]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.502822]  ksys_unshare (kernel/fork.c:3243)
[   10.502880]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.502937]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.502994]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.503067] RIP: 0033:0x7f98023e7bcb
[   10.503124] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.503257] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.503337] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.503416] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.503492] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.503570] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.503654] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.503901] ------------[ cut here ]------------
| [   10.503965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/182
| [   10.504059] Modules linked in:
| [   10.504210] Tainted: [W]=WARN
[   10.504266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.504336] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.504400] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.504534] RSP: 0018:ff5eafed00407ca8 EFLAGS: 00010286
[   10.504599] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.504681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234600
[   10.504759] RBP: 0000000000000000 R08: ff156d8641908690 R09: ff156d8644683030
[   10.504838] R10: ff156d8642f8c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.504917] R13: 0000000000000010 R14: ff156d8642f8c000 R15: ff156d8643234600
[   10.504999] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.505082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.505154] CR2: 00007f98023e7bc0 CR3: 0000000004710005 CR4: 0000000000771ef0
[   10.505235] PKRU: 55555554
[   10.505284] Call Trace:
[   10.505333]  <TASK>
[   10.505383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.505440]  register_netdevice (net/core/dev.c:11488)
[   10.505498]  register_netdev (net/core/dev.c:11552)
[   10.505555]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.505618]  ops_init (net/core/net_namespace.c:137)
[   10.505677]  ? setup_net (net/core/net_namespace.c:445 (discriminator 3))
[   10.505735]  setup_net (net/core/net_namespace.c:446)
[   10.505793]  copy_net_ns (net/core/net_namespace.c:579)
[   10.505851]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.505916]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.505980]  ksys_unshare (kernel/fork.c:3243)
[   10.506044]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.506102]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.506160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.506224] RIP: 0033:0x7f98023e7bcb
[   10.506280] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.506413] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.506492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.506572] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.506656] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.506734] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.506810] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.507463] ------------[ cut here ]------------
| [   10.507498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/184
| [   10.507567] Modules linked in:
| [   10.507680] Tainted: [W]=WARN
[   10.507717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.507749] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.507785] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.507869] RSP: 0018:ff5eafed003a7cb8 EFLAGS: 00010286
[   10.507907] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.507954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   10.508005] RBP: 0000000000000000 R08: ff156d8641d47a50 R09: ff156d864317d02c
[   10.508056] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   10.508103] R13: 0000000000000010 R14: ff156d8645d47000 R15: ff156d8641d86c00
[   10.508154] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   10.508197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.508237] CR2: 00007f98023e7bc0 CR3: 0000000004529001 CR4: 0000000000771ef0
[   10.508282] PKRU: 55555554
[   10.508294] Call Trace:
[   10.508317]  <TASK>
[   10.508332]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.508358]  register_netdevice (net/core/dev.c:11488)
[   10.508384]  register_netdev (net/core/dev.c:11552)
[   10.508415]  loopback_net_init (drivers/net/loopback.c:218)
[   10.508435]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   10.508474]  ops_init (net/core/net_namespace.c:137)
[   10.508508]  setup_net (net/core/net_namespace.c:446)
[   10.508541]  copy_net_ns (net/core/net_namespace.c:579)
[   10.508577]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.508606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.508656]  ksys_unshare (kernel/fork.c:3243)
[   10.508679]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.508702]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.508729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.508759] RIP: 0033:0x7f98023e7bcb
[   10.508778] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.508891] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.508953] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.509008] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.509058] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.509110] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.509160] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.509330] ------------[ cut here ]------------
| [   10.509359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/184
| [   10.509421] Modules linked in:
| [   10.509525] Tainted: [W]=WARN
[   10.509549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.509603] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.509642] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.509749] RSP: 0018:ff5eafed003a7c10 EFLAGS: 00010286
[   10.509781] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.509821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[   10.509875] RBP: 0000000000000000 R08: ff156d8641908e90 R09: ff156d8645d50030
[   10.509924] R10: ff156d864317d120 R11: fefefefefefefeff R12: 0000000000000000
[   10.509983] R13: 0000000000000010 R14: ff156d864317d000 R15: ff156d86418f3200
[   10.510058] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   10.510111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.510157] CR2: 00007f98023e7bc0 CR3: 0000000004529001 CR4: 0000000000771ef0
[   10.510202] PKRU: 55555554
[   10.510222] Call Trace:
[   10.510238]  <TASK>
[   10.510252]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.510286]  register_netdevice (net/core/dev.c:11488)
[   10.510310]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.510339]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.510364]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   10.510391]  ops_init (net/core/net_namespace.c:137)
[   10.510420]  setup_net (net/core/net_namespace.c:446)
[   10.510445]  copy_net_ns (net/core/net_namespace.c:579)
[   10.510479]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.510503]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.510533]  ksys_unshare (kernel/fork.c:3243)
[   10.510570]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.510593]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.510646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.510670] RIP: 0033:0x7f98023e7bcb
[   10.510705] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.510817] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.510888] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.510936] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.510985] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.511041] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.511080] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.511217] ------------[ cut here ]------------
| [   10.511251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/184
| [   10.511316] Modules linked in:
| [   10.511417] Tainted: [W]=WARN
[   10.511436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.511497] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.511531] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.511659] RSP: 0018:ff5eafed003a7bf0 EFLAGS: 00010286
[   10.511710] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.511757] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f000
[   10.511816] RBP: 0000000000000000 R08: ff156d8641908d90 R09: ff156d86432d8830
[   10.511877] R10: ff156d8645d2b120 R11: fefefefefefefeff R12: 0000000000000000
[   10.511928] R13: 0000000000000010 R14: ff156d8645d2b000 R15: ff156d8642b5f000
[   10.511972] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   10.512008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.512058] CR2: 00007f98023e7bc0 CR3: 0000000004529001 CR4: 0000000000771ef0
[   10.512098] PKRU: 55555554
[   10.512110] Call Trace:
[   10.512125]  <TASK>
[   10.512145]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.512165]  register_netdevice (net/core/dev.c:11488)
[   10.512184]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.512202]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.512235]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.512255]  ops_init (net/core/net_namespace.c:137)
[   10.512283]  setup_net (net/core/net_namespace.c:446)
[   10.512311]  copy_net_ns (net/core/net_namespace.c:579)
[   10.512332]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.512358]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.512398]  ksys_unshare (kernel/fork.c:3243)
[   10.512429]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.512446]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.512477]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.512513] RIP: 0033:0x7f98023e7bcb
[   10.512547] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.512677] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.512716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.512760] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.512804] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.512852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.512902] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.513048] ------------[ cut here ]------------
| [   10.513081] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/184
| [   10.513149] Modules linked in:
| [   10.513257] Tainted: [W]=WARN
[   10.513278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.513320] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.513350] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.513466] RSP: 0018:ff5eafed003a7ca8 EFLAGS: 00010286
[   10.513496] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.513540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234e00
[   10.513598] RBP: 0000000000000000 R08: ff156d86419445d0 R09: ff156d8642f8f034
[   10.513640] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.513684] R13: 0000000000000010 R14: ff156d8645d5f000 R15: ff156d8643234e00
[   10.513740] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   10.513786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.513826] CR2: 00007f98023e7bc0 CR3: 0000000004529001 CR4: 0000000000771ef0
[   10.513876] PKRU: 55555554
[   10.513891] Call Trace:
[   10.513902]  <TASK>
[   10.513917]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.513941]  register_netdevice (net/core/dev.c:11488)
[   10.513976]  register_netdev (net/core/dev.c:11552)
[   10.513994]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.514022]  ops_init (net/core/net_namespace.c:137)
[   10.514048]  setup_net (net/core/net_namespace.c:446)
[   10.514067]  copy_net_ns (net/core/net_namespace.c:579)
[   10.514110]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.514140]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.514184]  ksys_unshare (kernel/fork.c:3243)
[   10.514204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.514227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.514256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.514290] RIP: 0033:0x7f98023e7bcb
[   10.514311] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.514414] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.514460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.514504] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.514553] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.514588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.514643] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.514775] ------------[ cut here ]------------
| [   10.514802] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/184
| [   10.514846] Modules linked in:
| [   10.514954] Tainted: [W]=WARN
[   10.514984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.515030] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.515066] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.515174] RSP: 0018:ff5eafed003a7ca0 EFLAGS: 00010286
[   10.515204] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.515260] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234d00
[   10.515311] RBP: 0000000000000000 R08: ff156d86433c3910 R09: ff156d8645d7a030
[   10.515371] R10: ff156d8642f8f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.515429] R13: 0000000000000010 R14: ff156d8642f8f000 R15: ff156d8643234d00
[   10.515486] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   10.515533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.515571] CR2: 00007f98023e7bc0 CR3: 0000000004529001 CR4: 0000000000771ef0
[   10.515634] PKRU: 55555554
[   10.515652] Call Trace:
[   10.515666]  <TASK>
[   10.515681]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.515702]  register_netdevice (net/core/dev.c:11488)
[   10.515721]  register_netdev (net/core/dev.c:11552)
[   10.515741]  sit_init_net (net/ipv6/sit.c:1860)
[   10.515772]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   10.515794]  ops_init (net/core/net_namespace.c:137)
[   10.515814]  setup_net (net/core/net_namespace.c:446)
[   10.515846]  copy_net_ns (net/core/net_namespace.c:579)
[   10.515865]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.515896]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.515936]  ksys_unshare (kernel/fork.c:3243)
[   10.515959]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.515983]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.516015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.516057] RIP: 0033:0x7f98023e7bcb
[   10.516085] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.516195] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.516244] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.516292] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.516334] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.516387] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.516424] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.516557] ------------[ cut here ]------------
| [   10.516585] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/184
| [   10.516653] Modules linked in:
| [   10.516744] Tainted: [W]=WARN
[   10.516777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.516813] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.516850] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.516966] RSP: 0018:ff5eafed003a7ca8 EFLAGS: 00010286
[   10.517001] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.517044] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   10.517091] RBP: 0000000000000000 R08: ff156d8641944390 R09: ff156d8645d44030
[   10.517144] R10: ff156d8645d7a120 R11: fefefefefefefeff R12: 0000000000000000
[   10.517198] R13: 0000000000000010 R14: ff156d8645d7a000 R15: ff156d8641d86c00
[   10.517242] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   10.517310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.517349] CR2: 00007f98023e7bc0 CR3: 0000000004529001 CR4: 0000000000771ef0
[   10.517403] PKRU: 55555554
[   10.517420] Call Trace:
[   10.517442]  <TASK>
[   10.517454]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.517495]  register_netdevice (net/core/dev.c:11488)
[   10.517519]  register_netdev (net/core/dev.c:11552)
[   10.517541]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.517571]  ops_init (net/core/net_namespace.c:137)
[   10.517591]  setup_net (net/core/net_namespace.c:446)
[   10.517618]  copy_net_ns (net/core/net_namespace.c:579)
[   10.517640]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.517680]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.517720]  ksys_unshare (kernel/fork.c:3243)
[   10.517741]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.517764]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.517783]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.517824] RIP: 0033:0x7f98023e7bcb
[   10.517846] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.517944] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.517991] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.518045] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.518106] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.518148] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.518180] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.518784] ------------[ cut here ]------------
| [   10.518865] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/187
| [   10.518976] Modules linked in:
| [   10.519202] Tainted: [W]=WARN
[   10.519271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.519347] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.519426] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.519572] RSP: 0018:ff5eafed0040fcb8 EFLAGS: 00010286
[   10.519651] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.519737] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c700
[   10.519827] RBP: 0000000000000000 R08: ff156d86419268d0 R09: ff156d8645d5e02c
[   10.519907] R10: ff156d8644675120 R11: fefefefefefefeff R12: 0000000000000000
[   10.520000] R13: 0000000000000010 R14: ff156d8644675000 R15: ff156d864322c700
[   10.520096] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.520192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.520274] CR2: 00007f98023e7bc0 CR3: 0000000004529006 CR4: 0000000000771ef0
[   10.520364] PKRU: 55555554
[   10.520427] Call Trace:
[   10.520486]  <TASK>
[   10.520545]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.520614]  register_netdevice (net/core/dev.c:11488)
[   10.520683]  register_netdev (net/core/dev.c:11552)
[   10.520740]  loopback_net_init (drivers/net/loopback.c:218)
[   10.520820]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   10.520887]  ops_init (net/core/net_namespace.c:137)
[   10.520945]  setup_net (net/core/net_namespace.c:446)
[   10.521003]  copy_net_ns (net/core/net_namespace.c:579)
[   10.521067]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.521137]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.521218]  ksys_unshare (kernel/fork.c:3243)
[   10.521286]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.521347]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.521416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.521500] RIP: 0033:0x7f98023e7bcb
[   10.521563] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.521732] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.521825] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.521927] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.522010] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.522087] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.522181] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.522441] ------------[ cut here ]------------
| [   10.522508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/187
| [   10.522605] Modules linked in:
| [   10.522789] Tainted: [W]=WARN
[   10.522843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.522925] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.522996] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.523167] RSP: 0018:ff5eafed0040fc10 EFLAGS: 00010286
[   10.523238] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.523323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fd00
[   10.523408] RBP: 0000000000000000 R08: ff156d8641926510 R09: ff156d8645d83830
[   10.523487] R10: ff156d8645d5e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.523574] R13: 0000000000000010 R14: ff156d8645d5e000 R15: ff156d864326fd00
[   10.523673] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.523760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.523845] CR2: 00007f98023e7bc0 CR3: 0000000004529006 CR4: 0000000000771ef0
[   10.523942] PKRU: 55555554
[   10.524004] Call Trace:
[   10.524068]  <TASK>
[   10.524131]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.524205]  register_netdevice (net/core/dev.c:11488)
[   10.524272]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.524336]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.524409]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   10.524484]  ops_init (net/core/net_namespace.c:137)
[   10.524560]  setup_net (net/core/net_namespace.c:446)
[   10.524636]  copy_net_ns (net/core/net_namespace.c:579)
[   10.524699]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.524773]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.524854]  ksys_unshare (kernel/fork.c:3243)
[   10.524918]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.524990]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.525055]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.525141] RIP: 0033:0x7f98023e7bcb
[   10.525204] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.525352] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.525439] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.525524] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.525603] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.525696] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.525786] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.526079] ------------[ cut here ]------------
| [   10.526146] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/187
| [   10.526266] Modules linked in:
| [   10.526442] Tainted: [W]=WARN
[   10.526502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.526577] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.526661] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.526821] RSP: 0018:ff5eafed0040fbf0 EFLAGS: 00010286
[   10.526900] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.526985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236500
[   10.527070] RBP: 0000000000000000 R08: ff156d8641908750 R09: ff156d86432c2030
[   10.527159] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   10.527257] R13: 0000000000000010 R14: ff156d8645d14000 R15: ff156d8643236500
[   10.527347] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.527441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.527522] CR2: 00007f98023e7bc0 CR3: 0000000004529006 CR4: 0000000000771ef0
[   10.527624] PKRU: 55555554
[   10.527677] Call Trace:
[   10.527726]  <TASK>
[   10.527802]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.527881]  register_netdevice (net/core/dev.c:11488)
[   10.527939]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.527997]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.528060]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.528124]  ops_init (net/core/net_namespace.c:137)
[   10.528182]  setup_net (net/core/net_namespace.c:446)
[   10.528240]  copy_net_ns (net/core/net_namespace.c:579)
[   10.528298]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.528364]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.528430]  ksys_unshare (kernel/fork.c:3243)
[   10.528488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.528545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.528603]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.528676] RIP: 0033:0x7f98023e7bcb
[   10.528733] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.528867] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.528947] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.529035] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.529114] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.529193] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.529272] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.529533] ------------[ cut here ]------------
| [   10.529598] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/187
| [   10.529694] Modules linked in:
| [   10.529842] Tainted: [W]=WARN
[   10.529898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.529969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.530043] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.530176] RSP: 0018:ff5eafed0040fca8 EFLAGS: 00010286
[   10.530240] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.530319] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236d00
[   10.530396] RBP: 0000000000000000 R08: ff156d8641908810 R09: ff156d8645d58034
[   10.530475] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   10.530552] R13: 0000000000000010 R14: ff156d8645d29000 R15: ff156d8643236d00
[   10.530642] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.530724] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.530796] CR2: 00007f98023e7bc0 CR3: 0000000004529006 CR4: 0000000000771ef0
[   10.530877] PKRU: 55555554
[   10.530926] Call Trace:
[   10.530975]  <TASK>
[   10.531033]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.531090]  register_netdevice (net/core/dev.c:11488)
[   10.531148]  register_netdev (net/core/dev.c:11552)
[   10.531206]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.531264]  ops_init (net/core/net_namespace.c:137)
[   10.531323]  setup_net (net/core/net_namespace.c:446)
[   10.531381]  copy_net_ns (net/core/net_namespace.c:579)
[   10.531439]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.531504]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.531575]  ksys_unshare (kernel/fork.c:3243)
[   10.531639]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.531696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.531755]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.531819] RIP: 0033:0x7f98023e7bcb
[   10.531875] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.532016] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.532100] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.532178] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.532256] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.532336] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.532411] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.532669] ------------[ cut here ]------------
| [   10.532734] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/187
| [   10.532820] Modules linked in:
| [   10.532968] Tainted: [W]=WARN
[   10.533024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.533102] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.533166] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.533296] RSP: 0018:ff5eafed0040fca0 EFLAGS: 00010286
[   10.533359] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.533439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58500
[   10.533519] RBP: 0000000000000000 R08: ff156d864195ad10 R09: ff156d8644677030
[   10.533595] R10: ff156d8645d58120 R11: fefefefefefefeff R12: 0000000000000000
[   10.533682] R13: 0000000000000010 R14: ff156d8645d58000 R15: ff156d8641d58500
[   10.533764] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.533843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.533914] CR2: 00007f98023e7bc0 CR3: 0000000004529006 CR4: 0000000000771ef0
[   10.533994] PKRU: 55555554
[   10.534051] Call Trace:
[   10.534100]  <TASK>
[   10.534150]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.534207]  register_netdevice (net/core/dev.c:11488)
[   10.534265]  register_netdev (net/core/dev.c:11552)
[   10.534323]  sit_init_net (net/ipv6/sit.c:1860)
[   10.534381]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   10.534439]  ops_init (net/core/net_namespace.c:137)
[   10.534498]  setup_net (net/core/net_namespace.c:446)
[   10.534556]  copy_net_ns (net/core/net_namespace.c:579)
[   10.534619]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.534685]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.534749]  ksys_unshare (kernel/fork.c:3243)
[   10.534807]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.534864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.534922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.534986] RIP: 0033:0x7f98023e7bcb
[   10.535051] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.535186] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.535265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.535343] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.535422] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.535501] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.535579] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.535839] ------------[ cut here ]------------
| [   10.535903] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/187
| [   10.535989] Modules linked in:
| [   10.536148] Tainted: [W]=WARN
[   10.536203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.536273] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.536337] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.536465] RSP: 0018:ff5eafed0040fca8 EFLAGS: 00010286
[   10.536529] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.536605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[   10.536690] RBP: 0000000000000000 R08: ff156d864195ad90 R09: ff156d8643178030
[   10.536767] R10: ff156d8644677120 R11: fefefefefefefeff R12: 0000000000000000
[   10.536845] R13: 0000000000000010 R14: ff156d8644677000 R15: ff156d864326fc00
[   10.536927] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.537007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.537081] CR2: 00007f98023e7bc0 CR3: 0000000004529006 CR4: 0000000000771ef0
[   10.537161] PKRU: 55555554
[   10.537210] Call Trace:
[   10.537260]  <TASK>
[   10.537309]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.537367]  register_netdevice (net/core/dev.c:11488)
[   10.537425]  register_netdev (net/core/dev.c:11552)
[   10.537482]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.537540]  ops_init (net/core/net_namespace.c:137)
[   10.537598]  setup_net (net/core/net_namespace.c:446)
[   10.537659]  copy_net_ns (net/core/net_namespace.c:579)
[   10.537717]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.537783]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.537850]  ksys_unshare (kernel/fork.c:3243)
[   10.537908]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.537965]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.538023]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.538094] RIP: 0033:0x7f98023e7bcb
[   10.538151] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.538283] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.538361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.538438] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.538517] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.538596] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.538678] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.548810] ------------[ cut here ]------------
| [   10.548880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/189
| [   10.548968] Modules linked in:
| [   10.549135] Tainted: [W]=WARN
[   10.549191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.549261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.549325] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.549463] RSP: 0018:ff5eafed003a7cb8 EFLAGS: 00010286
[   10.549526] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.549604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[   10.549692] RBP: 0000000000000000 R08: ff156d864444b050 R09: ff156d8645cf402c
[   10.549771] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[   10.549848] R13: 0000000000000010 R14: ff156d8645cf0000 R15: ff156d864326fc00
[   10.549929] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.550008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.550085] CR2: 00007f98023e7bc0 CR3: 000000000463a001 CR4: 0000000000771ef0
[   10.550166] PKRU: 55555554
[   10.550215] Call Trace:
[   10.550264]  <TASK>
[   10.550313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.550371]  register_netdevice (net/core/dev.c:11488)
[   10.550428]  register_netdev (net/core/dev.c:11552)
[   10.550486]  loopback_net_init (drivers/net/loopback.c:218)
[   10.550544]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   10.550616]  ops_init (net/core/net_namespace.c:137)
[   10.550674]  setup_net (net/core/net_namespace.c:446)
[   10.550732]  copy_net_ns (net/core/net_namespace.c:579)
[   10.550789]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.550854]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.550919]  ksys_unshare (kernel/fork.c:3243)
[   10.550976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.551042]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.551100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.551164] RIP: 0033:0x7f98023e7bcb
[   10.551221] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.551360] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.551438] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.551516] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.551593] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.551678] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.551756] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.551996] ------------[ cut here ]------------
| [   10.552035] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.552103] Modules linked in:
| [   10.552187] Tainted: [W]=WARN
[   10.552209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.552248] Workqueue: netns cleanup_net
[   10.552269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.552301] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.552404] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.552436] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.552482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.552525] RBP: 0000000000000000 R08: ff156d864195ad90 R09: ff156d8645d09030
[   10.552564] R10: ff156d8644677120 R11: fefefefefefefeff R12: 0000000000000000
[   10.552605] R13: 0000000000000011 R14: ff156d8644677000 R15: ff156d8641d67100
[   10.552654] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.552694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.552727] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.552767] PKRU: 55555554
[   10.552781] Call Trace:
[   10.552795]  <TASK>
[   10.552811]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.552836]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.552858]  cleanup_net (net/core/net_namespace.c:702)
[   10.552881]  process_one_work (kernel/workqueue.c:3314)
[   10.552902]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.552924]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.552946]  kthread (kernel/kthread.c:436)
[   10.552966]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.552989]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.553012]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.553037]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.553146] ------------[ cut here ]------------
| [   10.553172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.553228] Modules linked in:
| [   10.553304] Tainted: [W]=WARN
[   10.553325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.553363] Workqueue: netns cleanup_net
[   10.553385] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.553412] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.553516] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.553543] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.553583] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.553630] RBP: 0000000000000000 R08: ff156d864195ad10 R09: ff156d86432eb030
[   10.553673] R10: ff156d8645d58120 R11: fefefefefefefeff R12: 0000000000000000
[   10.553718] R13: 0000000000000011 R14: ff156d8645d58000 R15: ff156d8641d67100
[   10.553765] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.553798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.553837] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.553876] PKRU: 55555554
[   10.553893] Call Trace:
[   10.553905]  <TASK>
[   10.553919]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.553948]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.553969]  cleanup_net (net/core/net_namespace.c:702)
[   10.553990]  process_one_work (kernel/workqueue.c:3314)
[   10.554010]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.554031]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.554050]  kthread (kernel/kthread.c:436)
[   10.554074]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.554095]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.554118]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.554141]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.554237] ------------[ cut here ]------------
| [   10.554270] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.554328] Modules linked in:
| [   10.554402] Tainted: [W]=WARN
[   10.554420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.554453] Workqueue: netns cleanup_net
[   10.554474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.554503] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.554597] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.554630] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.554672] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.554710] RBP: 0000000000000000 R08: ff156d8641908810 R09: ff156d86432ec034
[   10.554750] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   10.554794] R13: 0000000000000011 R14: ff156d8645d29000 R15: ff156d8641d67100
[   10.554842] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.554885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.554926] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.554968] PKRU: 55555554
[   10.554981] Call Trace:
[   10.554995]  <TASK>
[   10.555009]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.555040]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.555063]  cleanup_net (net/core/net_namespace.c:702)
[   10.555083]  process_one_work (kernel/workqueue.c:3314)
[   10.555106]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.555126]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.555148]  kthread (kernel/kthread.c:436)
[   10.555170]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.555188]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.555208]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.555230]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.555329] ------------[ cut here ]------------
| [   10.555354] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.555416] Modules linked in:
| [   10.555498] Tainted: [W]=WARN
[   10.555520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.555556] Workqueue: netns cleanup_net
[   10.555582] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.555617] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.555719] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.555748] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.555790] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.555838] RBP: 0000000000000000 R08: ff156d8641908750 R09: ff156d8645d83030
[   10.555882] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   10.555922] R13: 0000000000000011 R14: ff156d8645d14000 R15: ff156d8641d67100
[   10.555969] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.556011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.556050] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.556092] PKRU: 55555554
[   10.556106] Call Trace:
[   10.556119]  <TASK>
[   10.556132]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.556160]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.556180]  cleanup_net (net/core/net_namespace.c:702)
[   10.556202]  process_one_work (kernel/workqueue.c:3314)
[   10.556224]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.556247]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.556265]  kthread (kernel/kthread.c:436)
[   10.556288]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.556309]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.556329]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.556349]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.556443] ------------[ cut here ]------------
| [   10.556469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.556518] Modules linked in:
| [   10.556597] Tainted: [W]=WARN
[   10.556624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.556655] Workqueue: netns cleanup_net
[   10.556676] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.556704] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.556800] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.556831] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.556870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.556910] RBP: 0000000000000000 R08: ff156d8641926510 R09: ff156d8645d85030
[   10.556953] R10: ff156d8645d5e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.556997] R13: 0000000000000011 R14: ff156d8645d5e000 R15: ff156d8641d67100
[   10.557044] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.557086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.557120] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.557166] PKRU: 55555554
[   10.557180] Call Trace:
[   10.557192]  <TASK>
[   10.557206]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.557233]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.557254]  cleanup_net (net/core/net_namespace.c:702)
[   10.557275]  process_one_work (kernel/workqueue.c:3314)
[   10.557297]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.557319]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.557342]  kthread (kernel/kthread.c:436)
[   10.557362]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.557384]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.557405]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.557427]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.557526] ------------[ cut here ]------------
| [   10.557552] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.557601] Modules linked in:
| [   10.557688] Tainted: [W]=WARN
[   10.557707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.557738] Workqueue: netns cleanup_net
[   10.557757] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.557785] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.557880] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.557907] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.557945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.557986] RBP: 0000000000000000 R08: ff156d8641944390 R09: ff156d8645d18030
[   10.558029] R10: ff156d8645d7a120 R11: fefefefefefefeff R12: 0000000000000000
[   10.558072] R13: 0000000000000011 R14: ff156d8645d7a000 R15: ff156d8641d67100
[   10.558106] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.558151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.558185] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.558224] PKRU: 55555554
[   10.558237] Call Trace:
[   10.558248]  <TASK>
[   10.558265]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.558291]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.558312]  cleanup_net (net/core/net_namespace.c:702)
[   10.558336]  process_one_work (kernel/workqueue.c:3314)
[   10.558358]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.558378]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.558401]  kthread (kernel/kthread.c:436)
[   10.558422]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.558446]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.558466]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.558486]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.558581] ------------[ cut here ]------------
| [   10.558663] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.558722] Modules linked in:
| [   10.558800] Tainted: [W]=WARN
[   10.558820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.558855] Workqueue: netns cleanup_net
[   10.558878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.558905] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.559000] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.559029] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.559071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.559118] RBP: 0000000000000000 R08: ff156d86433c3910 R09: ff156d8645d1b830
[   10.559160] R10: ff156d8642f8f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.559201] R13: 0000000000000011 R14: ff156d8642f8f000 R15: ff156d8641d67100
[   10.559241] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.559282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.559314] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.559355] PKRU: 55555554
[   10.559369] Call Trace:
[   10.559381]  <TASK>
[   10.559395]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.559424]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.559447]  cleanup_net (net/core/net_namespace.c:702)
[   10.559468]  process_one_work (kernel/workqueue.c:3314)
[   10.559488]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.559510]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.559532]  kthread (kernel/kthread.c:436)
[   10.559553]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.559573]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.559592]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.559615]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.559708] ------------[ cut here ]------------
| [   10.559733] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.559786] Modules linked in:
| [   10.559862] Tainted: [W]=WARN
[   10.559883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.559918] Workqueue: netns cleanup_net
[   10.559940] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.559971] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.560062] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.560092] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.560138] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.560182] RBP: 0000000000000000 R08: ff156d86419445d0 R09: ff156d8645d01034
[   10.560222] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.560264] R13: 0000000000000011 R14: ff156d8645d5f000 R15: ff156d8641d67100
[   10.560310] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.560351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.560385] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.560427] PKRU: 55555554
[   10.560441] Call Trace:
[   10.560453]  <TASK>
[   10.560467]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.560499]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.560526]  cleanup_net (net/core/net_namespace.c:702)
[   10.560548]  process_one_work (kernel/workqueue.c:3314)
[   10.560570]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.560591]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.560613]  kthread (kernel/kthread.c:436)
[   10.560634]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.560655]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.560676]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.560696]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.560784] ------------[ cut here ]------------
| [   10.560809] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.560860] Modules linked in:
| [   10.560935] Tainted: [W]=WARN
[   10.560956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.560988] Workqueue: netns cleanup_net
[   10.561008] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.561035] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.561137] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.561167] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.561203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.561243] RBP: 0000000000000000 R08: ff156d8641908d90 R09: ff156d8645d4d030
[   10.561282] R10: ff156d8645d2b120 R11: fefefefefefefeff R12: 0000000000000000
[   10.561319] R13: 0000000000000011 R14: ff156d8645d2b000 R15: ff156d8641d67100
[   10.561364] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.561406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.561439] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.561479] PKRU: 55555554
[   10.561493] Call Trace:
[   10.561505]  <TASK>
[   10.561520]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.561551]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.561578]  cleanup_net (net/core/net_namespace.c:702)
[   10.561598]  process_one_work (kernel/workqueue.c:3314)
[   10.561621]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.561644]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.561663]  kthread (kernel/kthread.c:436)
[   10.561683]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.561703]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.561724]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.561747]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.561838] ------------[ cut here ]------------
| [   10.561863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.561918] Modules linked in:
| [   10.562000] Tainted: [W]=WARN
[   10.562029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.562063] Workqueue: netns cleanup_net
[   10.562084] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.562109] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.562200] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.562229] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.562272] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.562312] RBP: 0000000000000000 R08: ff156d8641908e90 R09: ff156d86432ca830
[   10.562349] R10: ff156d864317d120 R11: fefefefefefefeff R12: 0000000000000000
[   10.562389] R13: 0000000000000011 R14: ff156d864317d000 R15: ff156d8641d67100
[   10.562436] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.562479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.562512] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.562551] PKRU: 55555554
[   10.562565] Call Trace:
[   10.562577]  <TASK>
[   10.562591]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.562622]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.562645]  cleanup_net (net/core/net_namespace.c:702)
[   10.562668]  process_one_work (kernel/workqueue.c:3314)
[   10.562689]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.562710]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.562733]  kthread (kernel/kthread.c:436)
[   10.562751]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.562773]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.562792]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.562811]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.562909] ------------[ cut here ]------------
| [   10.562935] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.562987] Modules linked in:
| [   10.563066] Tainted: [W]=WARN
[   10.563088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.563119] Workqueue: netns cleanup_net
[   10.563137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.563166] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.563259] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.563288] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.563328] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.563377] RBP: 0000000000000000 R08: ff156d8641908690 R09: ff156d8645d00830
[   10.563419] R10: ff156d8642f8c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.563462] R13: 0000000000000011 R14: ff156d8642f8c000 R15: ff156d8641d67100
[   10.563499] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.563539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.563575] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.563627] PKRU: 55555554
[   10.563642] Call Trace:
[   10.563656]  <TASK>
[   10.563674]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.563705]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.563728]  cleanup_net (net/core/net_namespace.c:702)
[   10.563748]  process_one_work (kernel/workqueue.c:3314)
[   10.563768]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.563787]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.563805]  kthread (kernel/kthread.c:436)
[   10.563825]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.563845]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.563865]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.563886]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.563976] ------------[ cut here ]------------
| [   10.564003] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.564053] Modules linked in:
| [   10.564130] Tainted: [W]=WARN
[   10.564150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.564182] Workqueue: netns cleanup_net
[   10.564203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.564228] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.564319] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.564353] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.564394] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.564435] RBP: 0000000000000000 R08: ff156d8641901150 R09: ff156d8645cfd830
[   10.564479] R10: ff156d8645d6a120 R11: fefefefefefefeff R12: 0000000000000000
[   10.564519] R13: 0000000000000011 R14: ff156d8645d6a000 R15: ff156d8641d67100
[   10.564561] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.564602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.564641] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.564684] PKRU: 55555554
[   10.564696] Call Trace:
[   10.564710]  <TASK>
[   10.564724]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.564756]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.564782]  cleanup_net (net/core/net_namespace.c:702)
[   10.564802]  process_one_work (kernel/workqueue.c:3314)
[   10.564822]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.564845]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.564865]  kthread (kernel/kthread.c:436)
[   10.564886]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.564910]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.564933]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.564958]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.565053] ------------[ cut here ]------------
| [   10.565079] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.565140] Modules linked in:
| [   10.565216] Tainted: [W]=WARN
[   10.565238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.565268] Workqueue: netns cleanup_net
[   10.565294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.565327] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.565427] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.565454] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.565499] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.565544] RBP: 0000000000000000 R08: ff156d86419010d0 R09: ff156d8645d81034
[   10.565589] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   10.565632] R13: 0000000000000011 R14: ff156d8645cb7000 R15: ff156d8641d67100
[   10.565669] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.565715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.565749] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.565790] PKRU: 55555554
[   10.565802] Call Trace:
[   10.565816]  <TASK>
[   10.565828]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.565853]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.565876]  cleanup_net (net/core/net_namespace.c:702)
[   10.565896]  process_one_work (kernel/workqueue.c:3314)
[   10.565918]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.565940]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.565960]  kthread (kernel/kthread.c:436)
[   10.565982]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.566003]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.566029]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.566052]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.566144] ------------[ cut here ]------------
| [   10.566170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.566228] Modules linked in:
| [   10.566305] Tainted: [W]=WARN
[   10.566326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.566361] Workqueue: netns cleanup_net
[   10.566381] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.566410] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.566502] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.566527] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.566573] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.566625] RBP: 0000000000000000 R08: ff156d8641901010 R09: ff156d86432da030
[   10.566666] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.566702] R13: 0000000000000011 R14: ff156d864200e000 R15: ff156d8641d67100
[   10.566747] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.566793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.566830] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.566877] PKRU: 55555554
[   10.566891] Call Trace:
[   10.566907]  <TASK>
[   10.566922]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.566953]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.566978]  cleanup_net (net/core/net_namespace.c:702)
[   10.567001]  process_one_work (kernel/workqueue.c:3314)
[   10.567024]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.567048]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.567070]  kthread (kernel/kthread.c:436)
[   10.567092]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.567110]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.567131]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.567148]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.567235] ------------[ cut here ]------------
| [   10.567261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.567316] Modules linked in:
| [   10.567391] Tainted: [W]=WARN
[   10.567409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.567441] Workqueue: netns cleanup_net
[   10.567464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.567491] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.567587] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.567620] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.567664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.567705] RBP: 0000000000000000 R08: ff156d8641d47a10 R09: ff156d86430f7830
[   10.567745] R10: ff156d8645ccf120 R11: fefefefefefefeff R12: 0000000000000000
[   10.567785] R13: 0000000000000011 R14: ff156d8645ccf000 R15: ff156d8641d67100
[   10.567826] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.567865] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.567899] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.567940] PKRU: 55555554
[   10.567960] Call Trace:
[   10.567975]  <TASK>
[   10.567989]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.568014]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.568036]  cleanup_net (net/core/net_namespace.c:702)
[   10.568057]  process_one_work (kernel/workqueue.c:3314)
[   10.568082]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.568104]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.568125]  kthread (kernel/kthread.c:436)
[   10.568147]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.568169]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.568188]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.568207]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.568361] ------------[ cut here ]------------
| [   10.568424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/189
| [   10.568510] Modules linked in:
| [   10.568663] Tainted: [W]=WARN
[   10.568719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.568787] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.568850] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.568982] RSP: 0018:ff5eafed003a7c10 EFLAGS: 00010286
[   10.569054] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.569130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c900
[   10.569207] RBP: 0000000000000000 R08: ff156d864445edd0 R09: ff156d8645d65030
[   10.569285] R10: ff156d8645cf4120 R11: fefefefefefefeff R12: 0000000000000000
[   10.569361] R13: 0000000000000010 R14: ff156d8645cf4000 R15: ff156d864322c900
[   10.569441] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.569520] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.569590] CR2: 00007f98023e7bc0 CR3: 000000000463a001 CR4: 0000000000771ef0
[   10.569673] PKRU: 55555554
[   10.569721] Call Trace:
[   10.569769]  <TASK>
[   10.569818]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.569874]  register_netdevice (net/core/dev.c:11488)
[   10.569931]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.569987]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.570051]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   10.570109]  ops_init (net/core/net_namespace.c:137)
[   10.570167]  setup_net (net/core/net_namespace.c:446)
[   10.570224]  copy_net_ns (net/core/net_namespace.c:579)
[   10.570281]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.570345]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.570415]  ksys_unshare (kernel/fork.c:3243)
[   10.570472]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.570528]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.570585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.570656] RIP: 0033:0x7f98023e7bcb
[   10.570712] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.570842] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.570919] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.570997] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.571079] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.571156] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.571231] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.571472] ------------[ cut here ]------------
| [   10.571536] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/189
| [   10.571629] Modules linked in:
| [   10.571775] Tainted: [W]=WARN
[   10.571830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.571898] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.571962] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.572100] RSP: 0018:ff5eafed003a7bf0 EFLAGS: 00010286
[   10.572162] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.572241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234500
[   10.572318] RBP: 0000000000000000 R08: ff156d864195ae50 R09: ff156d8645d4b030
[   10.572394] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.572471] R13: 0000000000000010 R14: ff156d8645d7f000 R15: ff156d8643234500
[   10.572551] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.572637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.572706] CR2: 00007f98023e7bc0 CR3: 000000000463a001 CR4: 0000000000771ef0
[   10.572785] PKRU: 55555554
[   10.572833] Call Trace:
[   10.572881]  <TASK>
[   10.572930]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.572986]  register_netdevice (net/core/dev.c:11488)
[   10.573051]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.573108]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.573166]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.573222]  ops_init (net/core/net_namespace.c:137)
[   10.573279]  setup_net (net/core/net_namespace.c:446)
[   10.573336]  copy_net_ns (net/core/net_namespace.c:579)
[   10.573392]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.573456]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.573528]  ksys_unshare (kernel/fork.c:3243)
[   10.573585]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.573646]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.573703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.573765] RIP: 0033:0x7f98023e7bcb
[   10.573821] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.573950] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.574032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.574111] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.574187] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.574263] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.574338] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.574579] ------------[ cut here ]------------
| [   10.574647] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/189
| [   10.574733] Modules linked in:
| [   10.574879] Tainted: [W]=WARN
[   10.574934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.575004] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.575078] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.575218] RSP: 0018:ff5eafed003a7ca8 EFLAGS: 00010286
[   10.575281] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.575357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234a00
[   10.575432] RBP: 0000000000000000 R08: ff156d864195af10 R09: ff156d8645cc9034
[   10.575508] R10: ff156d8645d7d120 R11: fefefefefefefeff R12: 0000000000000000
[   10.575584] R13: 0000000000000010 R14: ff156d8645d7d000 R15: ff156d8643234a00
[   10.575671] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.575748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.575817] CR2: 00007f98023e7bc0 CR3: 000000000463a001 CR4: 0000000000771ef0
[   10.575896] PKRU: 55555554
[   10.575944] Call Trace:
[   10.575992]  <TASK>
[   10.576047]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.576103]  register_netdevice (net/core/dev.c:11488)
[   10.576160]  register_netdev (net/core/dev.c:11552)
[   10.576216]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.576273]  ops_init (net/core/net_namespace.c:137)
[   10.576330]  setup_net (net/core/net_namespace.c:446)
[   10.576386]  copy_net_ns (net/core/net_namespace.c:579)
[   10.576443]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.576506]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.576570]  ksys_unshare (kernel/fork.c:3243)
[   10.576634]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.576690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.576747]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.576809] RIP: 0033:0x7f98023e7bcb
[   10.576865] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.576999] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.577081] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.577158] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.577234] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.577311] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.577388] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.577633] ------------[ cut here ]------------
| [   10.577695] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/189
| [   10.577778] Modules linked in:
| [   10.577924] Tainted: [W]=WARN
[   10.577979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.578054] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.578117] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.578252] RSP: 0018:ff5eafed003a7ca0 EFLAGS: 00010286
[   10.578313] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.578389] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fd00
[   10.578465] RBP: 0000000000000000 R08: ff156d864195af90 R09: ff156d8645d6c030
[   10.578541] R10: ff156d8645cc9120 R11: fefefefefefefeff R12: 0000000000000000
[   10.578625] R13: 0000000000000010 R14: ff156d8645cc9000 R15: ff156d864326fd00
[   10.578705] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.578784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.578850] CR2: 00007f98023e7bc0 CR3: 000000000463a001 CR4: 0000000000771ef0
[   10.578929] PKRU: 55555554
[   10.578977] Call Trace:
[   10.579032]  <TASK>
[   10.579081]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.579137]  register_netdevice (net/core/dev.c:11488)
[   10.579193]  register_netdev (net/core/dev.c:11552)
[   10.579249]  sit_init_net (net/ipv6/sit.c:1860)
[   10.579306]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   10.579363]  ops_init (net/core/net_namespace.c:137)
[   10.579419]  setup_net (net/core/net_namespace.c:446)
[   10.579476]  copy_net_ns (net/core/net_namespace.c:579)
[   10.579532]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.579596]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.579665]  ksys_unshare (kernel/fork.c:3243)
[   10.579722]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.579777]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.579834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.579896] RIP: 0033:0x7f98023e7bcb
[   10.579952] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.580086] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.580164] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.580240] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.580316] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.580392] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.580468] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.580682] ------------[ cut here ]------------
| [   10.580712] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.580770] Modules linked in:
| [   10.580845] Tainted: [W]=WARN
[   10.580864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.580900] Workqueue: netns cleanup_net
[   10.580922] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.580951] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.581049] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   10.581077] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.581116] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.581154] RBP: 0000000000000000 R08: ff156d86419268d0 R09: ff156d8645d8682c
[   10.581196] R10: ff156d8644675120 R11: fefefefefefefeff R12: 0000000000000000
[   10.581233] R13: 0000000000000011 R14: ff156d8644675000 R15: ff156d8641d67100
[   10.581274] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.581316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.581347] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.581388] PKRU: 55555554
[   10.581401] Call Trace:
[   10.581414]  <TASK>
[   10.581428]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.581451]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.581480]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.581502]  cleanup_net (net/core/net_namespace.c:702)
[   10.581524]  process_one_work (kernel/workqueue.c:3314)
[   10.581546]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.581564]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.581582]  kthread (kernel/kthread.c:436)
[   10.581603]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.581631]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.581656]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.581679]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.581774] ------------[ cut here ]------------
| [   10.581800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.581858] Modules linked in:
| [   10.581930] Tainted: [W]=WARN
[   10.581950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.581987] Workqueue: netns cleanup_net
[   10.582009] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.582039] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.582134] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   10.582160] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.582204] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.582245] RBP: 0000000000000000 R08: ff156d8641d47a50 R09: ff156d86430f182c
[   10.582281] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   10.582323] R13: 0000000000000011 R14: ff156d8645d47000 R15: ff156d8641d67100
[   10.582366] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.582405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.582438] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.582483] PKRU: 55555554
[   10.582496] Call Trace:
[   10.582509]  <TASK>
[   10.582523]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.582550]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.582580]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.582602]  cleanup_net (net/core/net_namespace.c:702)
[   10.582628]  process_one_work (kernel/workqueue.c:3314)
[   10.582650]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.582671]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.582697]  kthread (kernel/kthread.c:436)
[   10.582719]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.582742]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.582764]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.582787]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.582880] ------------[ cut here ]------------
| [   10.582905] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.582961] Modules linked in:
| [   10.583037] Tainted: [W]=WARN
[   10.583053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.583085] Workqueue: netns cleanup_net
[   10.583106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.583137] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.583224] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   10.583254] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.583296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.583339] RBP: 0000000000000000 R08: ff156d86444e1310 R09: ff156d8645d7482c
[   10.583384] R10: ff156d8645d6e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.583424] R13: 0000000000000011 R14: ff156d8645d6e000 R15: ff156d8641d67100
[   10.583467] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.583511] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.583547] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.583589] PKRU: 55555554
[   10.583603] Call Trace:
[   10.583622]  <TASK>
[   10.583634]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.583665]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.583693]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.583711]  cleanup_net (net/core/net_namespace.c:702)
[   10.583731]  process_one_work (kernel/workqueue.c:3314)
[   10.583752]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.583772]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.583795]  kthread (kernel/kthread.c:436)
[   10.583815]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.583837]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.583858]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.583879]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.584020] ------------[ cut here ]------------
| [   10.584091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/189
| [   10.584175] Modules linked in:
| [   10.584318] Tainted: [W]=WARN
[   10.584373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.584442] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.584504] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.584637] RSP: 0018:ff5eafed003a7ca8 EFLAGS: 00010286
[   10.584698] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.584775] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58100
[   10.584852] RBP: 0000000000000000 R08: ff156d864123dc90 R09: ff156d8645ccf030
[   10.584928] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.585003] R13: 0000000000000010 R14: ff156d8645d6c000 R15: ff156d8641d58100
[   10.585089] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.585165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.585236] CR2: 00007f98023e7bc0 CR3: 000000000463a001 CR4: 0000000000771ef0
[   10.585314] PKRU: 55555554
[   10.585361] Call Trace:
[   10.585409]  <TASK>
[   10.585457]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.585513]  register_netdevice (net/core/dev.c:11488)
[   10.585570]  register_netdev (net/core/dev.c:11552)
[   10.585634]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.585690]  ops_init (net/core/net_namespace.c:137)
[   10.585747]  setup_net (net/core/net_namespace.c:446)
[   10.585803]  copy_net_ns (net/core/net_namespace.c:579)
[   10.585859]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.585922]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.585985]  ksys_unshare (kernel/fork.c:3243)
[   10.586048]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.586104]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.586162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.586224] RIP: 0033:0x7f98023e7bcb
[   10.586280] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.586405] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.586482] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.586558] RDX: 0000000000406420 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.586640] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.586715] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.586790] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.587380] ------------[ cut here ]------------
| [   10.587459] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/191
| [   10.587553] Modules linked in:
| [   10.587728] Tainted: [W]=WARN
[   10.587787] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.587868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.587935] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.588113] RSP: 0018:ff5eafed00427cb8 EFLAGS: 00010286
[   10.588185] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.588289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[   10.588375] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645d5e02c
[   10.588463] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.588552] R13: 0000000000000010 R14: ff156d8645d5f000 R15: ff156d864326fc00
[   10.588657] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.588754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.588827] CR2: 00007f98023e7bc0 CR3: 0000000004646002 CR4: 0000000000771ef0
[   10.588926] PKRU: 55555554
[   10.588993] Call Trace:
[   10.589048]  <TASK>
[   10.589096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.589152]  register_netdevice (net/core/dev.c:11488)
[   10.589212]  register_netdev (net/core/dev.c:11552)
[   10.589274]  loopback_net_init (drivers/net/loopback.c:218)
[   10.589329]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   10.589393]  ops_init (net/core/net_namespace.c:137)
[   10.589452]  setup_net (net/core/net_namespace.c:446)
[   10.589514]  copy_net_ns (net/core/net_namespace.c:579)
[   10.589571]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.589663]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.589736]  ksys_unshare (kernel/fork.c:3243)
[   10.589808]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.589876]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.589940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.590003] RIP: 0033:0x7f98023e7bcb
[   10.590064] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.590233] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.590341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.590432] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.590519] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.590629] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.590721] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.591002] ------------[ cut here ]------------
| [   10.591083] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/191
| [   10.591183] Modules linked in:
| [   10.591353] Tainted: [W]=WARN
[   10.591413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.591491] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.591577] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.591753] RSP: 0018:ff5eafed00427c10 EFLAGS: 00010286
[   10.591820] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.591902] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234800
[   10.591989] RBP: 0000000000000000 R08: ff156d8641977050 R09: ff156d8645cfe030
[   10.592100] R10: ff156d8645d5e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.592183] R13: 0000000000000010 R14: ff156d8645d5e000 R15: ff156d8643234800
[   10.592273] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.592362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.592444] CR2: 00007f98023e7bc0 CR3: 0000000004646002 CR4: 0000000000771ef0
[   10.592534] PKRU: 55555554
[   10.592583] Call Trace:
[   10.592638]  <TASK>
[   10.592687]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.592761]  register_netdevice (net/core/dev.c:11488)
[   10.592833]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.592902]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.592969]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   10.593037]  ops_init (net/core/net_namespace.c:137)
[   10.593101]  setup_net (net/core/net_namespace.c:446)
[   10.593188]  copy_net_ns (net/core/net_namespace.c:579)
[   10.593257]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.593338]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.593420]  ksys_unshare (kernel/fork.c:3243)
[   10.593481]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.593548]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.593629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.593706] RIP: 0033:0x7f98023e7bcb
[   10.593771] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.593930] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.594016] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.594098] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.594194] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.594273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.594357] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.594623] ------------[ cut here ]------------
| [   10.594702] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/191
| [   10.594811] Modules linked in:
| [   10.594991] Tainted: [W]=WARN
[   10.595059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.595133] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.595217] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.595373] RSP: 0018:ff5eafed00427bf0 EFLAGS: 00010286
[   10.595441] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.595534] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322cb00
[   10.595624] RBP: 0000000000000000 R08: ff156d8643080a10 R09: ff156d8645d85030
[   10.595711] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   10.595795] R13: 0000000000000010 R14: ff156d8645d14000 R15: ff156d864322cb00
[   10.595884] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.595971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.596060] CR2: 00007f98023e7bc0 CR3: 0000000004646002 CR4: 0000000000771ef0
[   10.596144] PKRU: 55555554
[   10.596192] Call Trace:
[   10.596265]  <TASK>
[   10.596328]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.596390]  register_netdevice (net/core/dev.c:11488)
[   10.596456]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.596512]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.596572]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.596635]  ops_init (net/core/net_namespace.c:137)
[   10.596692]  setup_net (net/core/net_namespace.c:446)
[   10.596747]  copy_net_ns (net/core/net_namespace.c:579)
[   10.596804]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.596886]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.596954]  ksys_unshare (kernel/fork.c:3243)
[   10.597011]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.597087]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.597144]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.597207] RIP: 0033:0x7f98023e7bcb
[   10.597263] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.597403] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.597480] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.597556] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.597636] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.597712] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.597790] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.598050] ------------[ cut here ]------------
| [   10.598114] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/191
| [   10.598202] Modules linked in:
| [   10.598352] Tainted: [W]=WARN
[   10.598406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.598474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.598537] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.598681] RSP: 0018:ff5eafed00427ca8 EFLAGS: 00010286
[   10.598744] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.598820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c700
[   10.598896] RBP: 0000000000000000 R08: ff156d8641962190 R09: ff156d8645d89034
[   10.598972] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   10.599059] R13: 0000000000000010 R14: ff156d8645d29000 R15: ff156d864322c700
[   10.599141] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.599217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.599288] CR2: 00007f98023e7bc0 CR3: 0000000004646002 CR4: 0000000000771ef0
[   10.599370] PKRU: 55555554
[   10.599418] Call Trace:
[   10.599466]  <TASK>
[   10.599514]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.599570]  register_netdevice (net/core/dev.c:11488)
[   10.599633]  register_netdev (net/core/dev.c:11552)
[   10.599689]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.599746]  ops_init (net/core/net_namespace.c:137)
[   10.599802]  setup_net (net/core/net_namespace.c:446)
[   10.599859]  copy_net_ns (net/core/net_namespace.c:579)
[   10.599917]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.599982]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.600052]  ksys_unshare (kernel/fork.c:3243)
[   10.600112]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.600168]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.600225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.600288] RIP: 0033:0x7f98023e7bcb
[   10.600344] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.600479] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.600557] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.600640] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.600720] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.600798] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.600875] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.601116] ------------[ cut here ]------------
| [   10.601179] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/191
| [   10.601265] Modules linked in:
| [   10.601410] Tainted: [W]=WARN
[   10.601464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.601532] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.601595] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.601732] RSP: 0018:ff5eafed00427ca0 EFLAGS: 00010286
[   10.601795] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.601873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fd00
[   10.601950] RBP: 0000000000000000 R08: ff156d8641962390 R09: ff156d8645d8e030
[   10.602033] R10: ff156d8645d89120 R11: fefefefefefefeff R12: 0000000000000000
[   10.602110] R13: 0000000000000010 R14: ff156d8645d89000 R15: ff156d864326fd00
[   10.602191] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.602269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.602338] CR2: 00007f98023e7bc0 CR3: 0000000004646002 CR4: 0000000000771ef0
[   10.602417] PKRU: 55555554
[   10.602465] Call Trace:
[   10.602513]  <TASK>
[   10.602561]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.602623]  register_netdevice (net/core/dev.c:11488)
[   10.602680]  register_netdev (net/core/dev.c:11552)
[   10.602736]  sit_init_net (net/ipv6/sit.c:1860)
[   10.602806]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   10.602863]  ops_init (net/core/net_namespace.c:137)
[   10.602920]  setup_net (net/core/net_namespace.c:446)
[   10.602978]  copy_net_ns (net/core/net_namespace.c:579)
[   10.603042]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.603107]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.603175]  ksys_unshare (kernel/fork.c:3243)
[   10.603236]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.603296]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.603353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.603416] RIP: 0033:0x7f98023e7bcb
[   10.603473] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.603600] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.603683] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.603762] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.603841] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.603925] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.604002] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.604251] ------------[ cut here ]------------
| [   10.604314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/191
| [   10.604398] Modules linked in:
| [   10.604548] Tainted: [W]=WARN
[   10.604601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.604682] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.604746] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.604870] RSP: 0018:ff5eafed00427ca8 EFLAGS: 00010286
[   10.604938] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.605018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236800
[   10.605102] RBP: 0000000000000000 R08: ff156d8641962410 R09: ff156d8645d8d030
[   10.605181] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   10.605259] R13: 0000000000000010 R14: ff156d8645d8e000 R15: ff156d8643236800
[   10.605369] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   10.605476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.605546] CR2: 00007f98023e7bc0 CR3: 0000000004646002 CR4: 0000000000771ef0
[   10.605629] PKRU: 55555554
[   10.605679] Call Trace:
[   10.605729]  <TASK>
[   10.605778]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   10.605834]  register_netdevice (net/core/dev.c:11488)
[   10.605891]  register_netdev (net/core/dev.c:11552)
[   10.605947]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.606004]  ops_init (net/core/net_namespace.c:137)
[   10.606067]  setup_net (net/core/net_namespace.c:446)
[   10.606124]  copy_net_ns (net/core/net_namespace.c:579)
[   10.606182]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.606247]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.606312]  ksys_unshare (kernel/fork.c:3243)
[   10.606369]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.606425]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.606482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.606545] RIP: 0033:0x7f98023e7bcb
[   10.606601] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.606739] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.606815] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   10.606892] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   10.606969] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   10.607052] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   10.607129] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   10.638047] ------------[ cut here ]------------
| [   10.638124] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.638184] Modules linked in:
| [   10.638265] Tainted: [W]=WARN
[   10.638291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.638328] Workqueue: netns cleanup_net
[   10.638352] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.638381] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.638485] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.638514] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.638559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.638604] RBP: 0000000000000000 R08: ff156d864123dc90 R09: ff156d86430f3830
[   10.638649] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[   10.638688] R13: 0000000000000011 R14: ff156d8645d6c000 R15: ff156d8641d67100
[   10.638724] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.638772] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.638802] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.638853] PKRU: 55555554
[   10.638865] Call Trace:
[   10.638881]  <TASK>
[   10.638894]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.638923]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.638943]  cleanup_net (net/core/net_namespace.c:702)
[   10.638965]  process_one_work (kernel/workqueue.c:3314)
[   10.638988]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.639009]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.639036]  kthread (kernel/kthread.c:436)
[   10.639058]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.639080]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.639103]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.639126]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.639217] ------------[ cut here ]------------
| [   10.639245] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.639304] Modules linked in:
| [   10.639382] Tainted: [W]=WARN
[   10.639404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.639439] Workqueue: netns cleanup_net
[   10.639462] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.639495] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.639595] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.639633] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.639676] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.639711] RBP: 0000000000000000 R08: ff156d864195af90 R09: ff156d864468d030
[   10.639751] R10: ff156d8645cc9120 R11: fefefefefefefeff R12: 0000000000000000
[   10.639795] R13: 0000000000000011 R14: ff156d8645cc9000 R15: ff156d8641d67100
[   10.639837] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.639882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.639918] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.639958] PKRU: 55555554
[   10.639971] Call Trace:
[   10.639987]  <TASK>
[   10.640001]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.640030]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.640052]  cleanup_net (net/core/net_namespace.c:702)
[   10.640074]  process_one_work (kernel/workqueue.c:3314)
[   10.640095]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.640120]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.640144]  kthread (kernel/kthread.c:436)
[   10.640165]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.640187]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.640210]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.640232]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.640319] ------------[ cut here ]------------
| [   10.640348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.640397] Modules linked in:
| [   10.640472] Tainted: [W]=WARN
[   10.640494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.640525] Workqueue: netns cleanup_net
[   10.640548] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.640577] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.640676] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.640705] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.640752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.640799] RBP: 0000000000000000 R08: ff156d864195af10 R09: ff156d86432ca834
[   10.640838] R10: ff156d8645d7d120 R11: fefefefefefefeff R12: 0000000000000000
[   10.640882] R13: 0000000000000011 R14: ff156d8645d7d000 R15: ff156d8641d67100
[   10.640928] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.640971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.641003] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.641053] PKRU: 55555554
[   10.641065] Call Trace:
[   10.641083]  <TASK>
[   10.641094]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.641118]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.641139]  cleanup_net (net/core/net_namespace.c:702)
[   10.641160]  process_one_work (kernel/workqueue.c:3314)
[   10.641184]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.641207]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.641227]  kthread (kernel/kthread.c:436)
[   10.641254]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.641273]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.641295]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.641318]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.641402] ------------[ cut here ]------------
| [   10.641430] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.641483] Modules linked in:
| [   10.641556] Tainted: [W]=WARN
[   10.641579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.641617] Workqueue: netns cleanup_net
[   10.641640] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.641664] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.641765] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.641800] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.641841] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.641881] RBP: 0000000000000000 R08: ff156d864195ae50 R09: ff156d86432da830
[   10.641923] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[   10.641970] R13: 0000000000000011 R14: ff156d8645d7f000 R15: ff156d8641d67100
[   10.642016] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.642061] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.642098] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.642142] PKRU: 55555554
[   10.642156] Call Trace:
[   10.642172]  <TASK>
[   10.642186]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.642210]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.642234]  cleanup_net (net/core/net_namespace.c:702)
[   10.642254]  process_one_work (kernel/workqueue.c:3314)
[   10.642276]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.642298]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.642316]  kthread (kernel/kthread.c:436)
[   10.642335]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.642356]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.642380]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.642402]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.642496] ------------[ cut here ]------------
| [   10.642527] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.642580] Modules linked in:
| [   10.642657] Tainted: [W]=WARN
[   10.642678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.642713] Workqueue: netns cleanup_net
[   10.642732] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.642760] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.642851] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   10.642881] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.642919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.642958] RBP: 0000000000000000 R08: ff156d864445edd0 R09: ff156d86432cd830
[   10.643001] R10: ff156d8645cf4120 R11: fefefefefefefeff R12: 0000000000000000
[   10.643044] R13: 0000000000000011 R14: ff156d8645cf4000 R15: ff156d8641d67100
[   10.643083] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.643121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.643154] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.643195] PKRU: 55555554
[   10.643210] Call Trace:
[   10.643223]  <TASK>
[   10.643239]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.643263]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.643287]  cleanup_net (net/core/net_namespace.c:702)
[   10.643306]  process_one_work (kernel/workqueue.c:3314)
[   10.643327]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.643348]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.643369]  kthread (kernel/kthread.c:436)
[   10.643388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.643408]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.643429]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.643449]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.652047] ------------[ cut here ]------------
| [   10.652104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   10.652169] Modules linked in:
| [   10.652251] Tainted: [W]=WARN
[   10.652271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.652311] Workqueue: netns cleanup_net
[   10.652331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.652357] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.652451] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   10.652481] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   10.652523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   10.652567] RBP: 0000000000000000 R08: ff156d864444b050 R09: ff156d864125602c
[   10.652619] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[   10.652661] R13: 0000000000000011 R14: ff156d8645cf0000 R15: ff156d8641d67100
[   10.652712] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   10.652753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.652789] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   10.652830] PKRU: 55555554
[   10.652846] Call Trace:
[   10.652860]  <TASK>
[   10.652874]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.652901]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.652932]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.652954]  cleanup_net (net/core/net_namespace.c:702)
[   10.652979]  process_one_work (kernel/workqueue.c:3314)
[   10.653001]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.653030]  ? rescuer_thread (kernel/workqueue.c:3672)
[   10.653048]  kthread (kernel/kthread.c:436)
[   10.653074]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.653094]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.653114]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   10.653134]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.607567] ------------[ cut here ]------------
| [   11.607670] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   11.607729] Modules linked in:
| [   11.607845] Tainted: [W]=WARN
[   11.607864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.607897] Workqueue: netns cleanup_net
[   11.607919] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.607952] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.608099] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   11.608142] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.608199] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   11.608245] RBP: 0000000000000000 R08: ff156d8641962410 R09: ff156d86432cb830
[   11.608302] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   11.608350] R13: 0000000000000011 R14: ff156d8645d8e000 R15: ff156d8641d67100
[   11.608413] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   11.608468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.608506] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   11.608550] PKRU: 55555554
[   11.608564] Call Trace:
[   11.608578]  <TASK>
[   11.608591]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.608623]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.608666]  cleanup_net (net/core/net_namespace.c:702)
[   11.608688]  process_one_work (kernel/workqueue.c:3314)
[   11.608710]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.608735]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.608765]  kthread (kernel/kthread.c:436)
[   11.608790]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.608821]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.608843]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.608866]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.608980] ------------[ cut here ]------------
| [   11.609029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   11.609092] Modules linked in:
| [   11.609174] Tainted: [W]=WARN
[   11.609198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.609244] Workqueue: netns cleanup_net
[   11.609272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.609308] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.609410] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   11.609449] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.609499] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   11.609539] RBP: 0000000000000000 R08: ff156d8641962390 R09: ff156d8645d86830
[   11.609580] R10: ff156d8645d89120 R11: fefefefefefefeff R12: 0000000000000000
[   11.609633] R13: 0000000000000011 R14: ff156d8645d89000 R15: ff156d8641d67100
[   11.609688] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   11.609733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.609784] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   11.609824] PKRU: 55555554
[   11.609836] Call Trace:
[   11.609849]  <TASK>
[   11.609862]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.609906]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.609929]  cleanup_net (net/core/net_namespace.c:702)
[   11.609951]  process_one_work (kernel/workqueue.c:3314)
[   11.609987]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.610010]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.610038]  kthread (kernel/kthread.c:436)
[   11.610070]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.610101]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.610127]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.610151]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.610267] ------------[ cut here ]------------
| [   11.610295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   11.610372] Modules linked in:
| [   11.610457] Tainted: [W]=WARN
[   11.610476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.610519] Workqueue: netns cleanup_net
[   11.610555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.610583] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.610676] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   11.610710] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.610764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   11.610814] RBP: 0000000000000000 R08: ff156d8641962190 R09: ff156d8645d74834
[   11.610854] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   11.610891] R13: 0000000000000011 R14: ff156d8645d29000 R15: ff156d8641d67100
[   11.610952] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   11.611003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.611059] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   11.611113] PKRU: 55555554
[   11.611127] Call Trace:
[   11.611140]  <TASK>
[   11.611152]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.611181]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.611210]  cleanup_net (net/core/net_namespace.c:702)
[   11.611230]  process_one_work (kernel/workqueue.c:3314)
[   11.611256]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.611285]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.611311]  kthread (kernel/kthread.c:436)
[   11.611335]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.611365]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.611387]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.611413]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.611514] ------------[ cut here ]------------
| [   11.611553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   11.611634] Modules linked in:
| [   11.611733] Tainted: [W]=WARN
[   11.611757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.611797] Workqueue: netns cleanup_net
[   11.611820] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.611857] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.611970] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   11.612008] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.612071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   11.612116] RBP: 0000000000000000 R08: ff156d8643080a10 R09: ff156d8645d18030
[   11.612170] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   11.612229] R13: 0000000000000011 R14: ff156d8645d14000 R15: ff156d8641d67100
[   11.612274] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   11.612318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.612350] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   11.612387] PKRU: 55555554
[   11.612410] Call Trace:
[   11.612436]  <TASK>
[   11.612449]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.612485]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.612522]  cleanup_net (net/core/net_namespace.c:702)
[   11.612547]  process_one_work (kernel/workqueue.c:3314)
[   11.612568]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.612601]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.612629]  kthread (kernel/kthread.c:436)
[   11.612657]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.612678]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.612701]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.612729]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.612829] ------------[ cut here ]------------
| [   11.612859] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   11.612909] Modules linked in:
| [   11.613002] Tainted: [W]=WARN
[   11.613029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.613061] Workqueue: netns cleanup_net
[   11.613097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.613127] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.613242] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   11.613284] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.613330] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   11.613385] RBP: 0000000000000000 R08: ff156d8641977050 R09: ff156d8645cf8030
[   11.613426] R10: ff156d8645d5e120 R11: fefefefefefefeff R12: 0000000000000000
[   11.613483] R13: 0000000000000011 R14: ff156d8645d5e000 R15: ff156d8641d67100
[   11.613527] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   11.613595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.613640] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   11.613701] PKRU: 55555554
[   11.613722] Call Trace:
[   11.613739]  <TASK>
[   11.613763]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.613797]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   11.613819]  cleanup_net (net/core/net_namespace.c:702)
[   11.613852]  process_one_work (kernel/workqueue.c:3314)
[   11.613878]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.613900]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.613924]  kthread (kernel/kthread.c:436)
[   11.613955]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.613977]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.613998]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.614017]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.614306] ------------[ cut here ]------------
| [   11.614369] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/193
| [   11.614464] Modules linked in:
| [   11.614639] Tainted: [W]=WARN
[   11.614710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.614790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.614865] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.615021] RSP: 0018:ff5eafed0042fcb8 EFLAGS: 00010286
[   11.615095] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.615193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58600
[   11.615278] RBP: 0000000000000000 R08: ff156d864195a7d0 R09: ff156d8645d5c02c
[   11.615362] R10: ff156d8645cc9120 R11: fefefefefefefeff R12: 0000000000000000
[   11.615460] R13: 0000000000000010 R14: ff156d8645cc9000 R15: ff156d8641d58600
[   11.615547] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   11.615649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.615734] CR2: 00007f98023e7bc0 CR3: 00000000046ce003 CR4: 0000000000771ef0
[   11.615831] PKRU: 55555554
[   11.615896] Call Trace:
[   11.615957]  <TASK>
[   11.616016]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.616087]  register_netdevice (net/core/dev.c:11488)
[   11.616164]  register_netdev (net/core/dev.c:11552)
[   11.616233]  loopback_net_init (drivers/net/loopback.c:218)
[   11.616289]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   11.616356]  ops_init (net/core/net_namespace.c:137)
[   11.616428]  setup_net (net/core/net_namespace.c:446)
[   11.616493]  copy_net_ns (net/core/net_namespace.c:579)
[   11.616560]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.616634]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.616712]  ksys_unshare (kernel/fork.c:3243)
[   11.616771]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.616838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.616916]  ? irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735 kernel/softirq.c:752)
[   11.616982]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.617055] RIP: 0033:0x7f98023e7bcb
[   11.617121] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.617276] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.617363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   11.617454] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   11.617536] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   11.617627] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   11.617718] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   11.617978] ------------[ cut here ]------------
| [   11.618055] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/193
| [   11.618157] Modules linked in:
| [   11.618342] Tainted: [W]=WARN
[   11.618403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.618484] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.618559] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.618699] RSP: 0018:ff5eafed0042fc10 EFLAGS: 00010286
[   11.618775] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.618859] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fc00
[   11.618953] RBP: 0000000000000000 R08: ff156d864195a910 R09: ff156d8645d73830
[   11.619033] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[   11.619112] R13: 0000000000000010 R14: ff156d8645d5c000 R15: ff156d864326fc00
[   11.619193] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   11.619271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.619344] CR2: 00007f98023e7bc0 CR3: 00000000046ce003 CR4: 0000000000771ef0
[   11.619426] PKRU: 55555554
[   11.619478] Call Trace:
[   11.619531]  <TASK>
[   11.619583]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.619645]  register_netdevice (net/core/dev.c:11488)
[   11.619708]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.619772]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.619836]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   11.619900]  ops_init (net/core/net_namespace.c:137)
[   11.619963]  setup_net (net/core/net_namespace.c:446)
[   11.620033]  copy_net_ns (net/core/net_namespace.c:579)
[   11.620096]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.620163]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.620233]  ksys_unshare (kernel/fork.c:3243)
[   11.620296]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.620360]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.620422]  ? irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735 kernel/softirq.c:752)
[   11.620479]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.620548] RIP: 0033:0x7f98023e7bcb
[   11.620607] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.620739] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.620819] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   11.620897] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   11.620973] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   11.621058] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   11.621137] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   11.621378] ------------[ cut here ]------------
| [   11.621443] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/193
| [   11.621530] Modules linked in:
| [   11.621684] Tainted: [W]=WARN
[   11.621740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.621809] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.621875] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.621998] RSP: 0018:ff5eafed0042fbf0 EFLAGS: 00010286
[   11.622079] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.622152] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c900
[   11.622229] RBP: 0000000000000000 R08: ff156d86419624d0 R09: ff156d8644678830
[   11.622302] R10: ff156d864317f120 R11: fefefefefefefeff R12: 0000000000000000
[   11.622376] R13: 0000000000000010 R14: ff156d864317f000 R15: ff156d864322c900
[   11.622455] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   11.622537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.622610] CR2: 00007f98023e7bc0 CR3: 00000000046ce003 CR4: 0000000000771ef0
[   11.622695] PKRU: 55555554
[   11.622746] Call Trace:
[   11.622798]  <TASK>
[   11.622850]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.622910]  register_netdevice (net/core/dev.c:11488)
[   11.622970]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.623045]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.623105]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.623164]  ops_init (net/core/net_namespace.c:137)
[   11.623224]  setup_net (net/core/net_namespace.c:446)
[   11.623284]  copy_net_ns (net/core/net_namespace.c:579)
[   11.623347]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.623413]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.623479]  ksys_unshare (kernel/fork.c:3243)
[   11.623539]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.623601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.623663]  ? irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735 kernel/softirq.c:752)
[   11.623722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.623790] RIP: 0033:0x7f98023e7bcb
[   11.623852] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.623973] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.624052] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   11.624129] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   11.624208] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   11.624288] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   11.624368] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   11.624577] ------------[ cut here ]------------
| [   11.624606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   11.624671] Modules linked in:
| [   11.624753] Tainted: [W]=WARN
[   11.624775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.624808] Workqueue: netns cleanup_net
[   11.624832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.624865] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.624955] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   11.624982] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.625023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   11.625065] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645cfb82c
[   11.625107] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   11.625149] R13: 0000000000000011 R14: ff156d8645d5f000 R15: ff156d8641d67100
[   11.625189] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   11.625231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.625265] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   11.625307] PKRU: 55555554
[   11.625321] Call Trace:
[   11.625335]  <TASK>
[   11.625351]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   11.625377]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   11.625402]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   11.625425]  cleanup_net (net/core/net_namespace.c:702)
[   11.625447]  process_one_work (kernel/workqueue.c:3314)
[   11.625467]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.625488]  ? rescuer_thread (kernel/workqueue.c:3672)
[   11.625506]  kthread (kernel/kthread.c:436)
[   11.625527]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.625546]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.625567]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   11.625587]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.625728] ------------[ cut here ]------------
| [   11.625793] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/193
| [   11.625876] Modules linked in:
| [   11.626040] Tainted: [W]=WARN
[   11.626101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.626174] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.626244] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.626371] RSP: 0018:ff5eafed0042fca8 EFLAGS: 00010286
[   11.626439] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.626515] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234000
[   11.626592] RBP: 0000000000000000 R08: ff156d8641962590 R09: ff156d8645d8e034
[   11.626672] R10: ff156d8645d7c120 R11: fefefefefefefeff R12: 0000000000000000
[   11.626752] R13: 0000000000000010 R14: ff156d8645d7c000 R15: ff156d8643234000
[   11.626833] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   11.626913] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.626985] CR2: 00007f98023e7bc0 CR3: 00000000046ce003 CR4: 0000000000771ef0
[   11.627079] PKRU: 55555554
[   11.627131] Call Trace:
[   11.627183]  <TASK>
[   11.627235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.627299]  register_netdevice (net/core/dev.c:11488)
[   11.627362]  register_netdev (net/core/dev.c:11552)
[   11.627425]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.627489]  ops_init (net/core/net_namespace.c:137)
[   11.627552]  setup_net (net/core/net_namespace.c:446)
[   11.627618]  copy_net_ns (net/core/net_namespace.c:579)
[   11.627681]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.627751]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.627819]  ksys_unshare (kernel/fork.c:3243)
[   11.627883]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.627944]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.628005]  ? irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735 kernel/softirq.c:752)
[   11.628073]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.628141] RIP: 0033:0x7f98023e7bcb
[   11.628202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.628329] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.628409] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   11.628488] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   11.628567] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   11.628651] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   11.628728] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   11.628975] ------------[ cut here ]------------
| [   11.629045] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/193
| [   11.629129] Modules linked in:
| [   11.629279] Tainted: [W]=WARN
[   11.629337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.629405] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.629471] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.629593] RSP: 0018:ff5eafed0042fca0 EFLAGS: 00010286
[   11.629658] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.629734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234900
[   11.629813] RBP: 0000000000000000 R08: ff156d8641962610 R09: ff156d8645d8b030
[   11.629889] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   11.629968] R13: 0000000000000010 R14: ff156d8645d8e000 R15: ff156d8643234900
[   11.630053] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   11.630130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.630200] CR2: 00007f98023e7bc0 CR3: 00000000046ce003 CR4: 0000000000771ef0
[   11.630288] PKRU: 55555554
[   11.630340] Call Trace:
[   11.630392]  <TASK>
[   11.630444]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.630504]  register_netdevice (net/core/dev.c:11488)
[   11.630564]  register_netdev (net/core/dev.c:11552)
[   11.630634]  sit_init_net (net/ipv6/sit.c:1860)
[   11.630691]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   11.630755]  ops_init (net/core/net_namespace.c:137)
[   11.630819]  setup_net (net/core/net_namespace.c:446)
[   11.630879]  copy_net_ns (net/core/net_namespace.c:579)
[   11.630940]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.631009]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.631085]  ksys_unshare (kernel/fork.c:3243)
[   11.631149]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.631208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.631269]  ? irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735 kernel/softirq.c:752)
[   11.631329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.631397] RIP: 0033:0x7f98023e7bcb
[   11.631456] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.631583] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.631663] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   11.631738] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   11.631819] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   11.631895] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   11.631971] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   11.632227] ------------[ cut here ]------------
| [   11.632292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/193
| [   11.632379] Modules linked in:
| [   11.632528] Tainted: [W]=WARN
[   11.632589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.632664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.632729] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.632856] RSP: 0018:ff5eafed0042fca8 EFLAGS: 00010286
[   11.632924] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   11.633000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fd00
[   11.633087] RBP: 0000000000000000 R08: ff156d8641944a10 R09: ff156d8645d5b030
[   11.633162] R10: ff156d8645d8b120 R11: fefefefefefefeff R12: 0000000000000000
[   11.633236] R13: 0000000000000010 R14: ff156d8645d8b000 R15: ff156d864326fd00
[   11.633315] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   11.633392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.633465] CR2: 00007f98023e7bc0 CR3: 00000000046ce003 CR4: 0000000000771ef0
[   11.633542] PKRU: 55555554
[   11.633593] Call Trace:
[   11.633648]  <TASK>
[   11.633701]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   11.633763]  register_netdevice (net/core/dev.c:11488)
[   11.633826]  register_netdev (net/core/dev.c:11552)
[   11.633885]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.633945]  ops_init (net/core/net_namespace.c:137)
[   11.634008]  setup_net (net/core/net_namespace.c:446)
[   11.634079]  copy_net_ns (net/core/net_namespace.c:579)
[   11.634142]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.634210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.634276]  ksys_unshare (kernel/fork.c:3243)
[   11.634335]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.634394]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.634454]  ? irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735 kernel/softirq.c:752)
[   11.634513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.634578] RIP: 0033:0x7f98023e7bcb
[   11.634644] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.634767] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.634847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   11.634937] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   11.635017] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   11.635097] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   11.635180] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   12.635686] ------------[ cut here ]------------
| [   12.635774] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   12.635833] Modules linked in:
| [   12.635937] Tainted: [W]=WARN
[   12.635972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.636018] Workqueue: netns cleanup_net
[   12.636050] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.636092] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.636197] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   12.636226] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.636280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   12.636320] RBP: 0000000000000000 R08: ff156d8641944a10 R09: ff156d8645d00830
[   12.636387] R10: ff156d8645d8b120 R11: fefefefefefefeff R12: 0000000000000000
[   12.636434] R13: 0000000000000011 R14: ff156d8645d8b000 R15: ff156d8641d67100
[   12.636500] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   12.636545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.636588] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   12.636650] PKRU: 55555554
[   12.636664] Call Trace:
[   12.636678]  <TASK>
[   12.636699]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.636743]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.636766]  cleanup_net (net/core/net_namespace.c:702)
[   12.636786]  process_one_work (kernel/workqueue.c:3314)
[   12.636811]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.636840]  ? rescuer_thread (kernel/workqueue.c:3672)
[   12.636870]  kthread (kernel/kthread.c:436)
[   12.636894]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.636924]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.636949]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.636980]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.637112] ------------[ cut here ]------------
| [   12.637142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   12.637209] Modules linked in:
| [   12.637311] Tainted: [W]=WARN
[   12.637330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.637370] Workqueue: netns cleanup_net
[   12.637401] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.637434] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.637520] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   12.637565] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.637613] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   12.637675] RBP: 0000000000000000 R08: ff156d8641962610 R09: ff156d86432cd830
[   12.637717] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   12.637760] R13: 0000000000000011 R14: ff156d8645d8e000 R15: ff156d8641d67100
[   12.637807] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   12.637869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.637919] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   12.637967] PKRU: 55555554
[   12.637990] Call Trace:
[   12.638003]  <TASK>
[   12.638016]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.638050]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.638073]  cleanup_net (net/core/net_namespace.c:702)
[   12.638105]  process_one_work (kernel/workqueue.c:3314)
[   12.638125]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.638146]  ? rescuer_thread (kernel/workqueue.c:3672)
[   12.638166]  kthread (kernel/kthread.c:436)
[   12.638187]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.638217]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.638261]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.638282]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.638380] ------------[ cut here ]------------
| [   12.638413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   12.638466] Modules linked in:
| [   12.638559] Tainted: [W]=WARN
[   12.638592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.638635] Workqueue: netns cleanup_net
[   12.638664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.638703] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.638793] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   12.638823] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.638881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   12.638920] RBP: 0000000000000000 R08: ff156d8641962590 R09: ff156d8645d48034
[   12.638967] R10: ff156d8645d7c120 R11: fefefefefefefeff R12: 0000000000000000
[   12.639007] R13: 0000000000000011 R14: ff156d8645d7c000 R15: ff156d8641d67100
[   12.639076] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   12.639120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.639168] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   12.639224] PKRU: 55555554
[   12.639238] Call Trace:
[   12.639250]  <TASK>
[   12.639272]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.639299]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.639329]  cleanup_net (net/core/net_namespace.c:702)
[   12.639364]  process_one_work (kernel/workqueue.c:3314)
[   12.639404]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.639425]  ? rescuer_thread (kernel/workqueue.c:3672)
[   12.639454]  kthread (kernel/kthread.c:436)
[   12.639476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.639497]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.639522]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.639543]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.639649] ------------[ cut here ]------------
| [   12.639689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   12.639753] Modules linked in:
| [   12.639860] Tainted: [W]=WARN
[   12.639884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.639918] Workqueue: netns cleanup_net
[   12.639954] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.639981] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.640087] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   12.640124] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.640173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   12.640211] RBP: 0000000000000000 R08: ff156d86419624d0 R09: ff156d8645cc6830
[   12.640250] R10: ff156d864317f120 R11: fefefefefefefeff R12: 0000000000000000
[   12.640297] R13: 0000000000000011 R14: ff156d864317f000 R15: ff156d8641d67100
[   12.640338] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   12.640380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.640415] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   12.640454] PKRU: 55555554
[   12.640468] Call Trace:
[   12.640498]  <TASK>
[   12.640511]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.640538]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.640561]  cleanup_net (net/core/net_namespace.c:702)
[   12.640584]  process_one_work (kernel/workqueue.c:3314)
[   12.640606]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.640648]  ? rescuer_thread (kernel/workqueue.c:3672)
[   12.640672]  kthread (kernel/kthread.c:436)
[   12.640703]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.640734]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.640771]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.640792]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.640924] ------------[ cut here ]------------
| [   12.640956] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   12.641031] Modules linked in:
| [   12.641121] Tainted: [W]=WARN
[   12.641154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.641201] Workqueue: netns cleanup_net
[   12.641222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.641250] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.641366] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   12.641392] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.641455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   12.641500] RBP: 0000000000000000 R08: ff156d864195a910 R09: ff156d8644688830
[   12.641558] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[   12.641604] R13: 0000000000000011 R14: ff156d8645d5c000 R15: ff156d8641d67100
[   12.641671] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   12.641714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.641770] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   12.641822] PKRU: 55555554
[   12.641837] Call Trace:
[   12.641862]  <TASK>
[   12.641875]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.641906]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   12.641941]  cleanup_net (net/core/net_namespace.c:702)
[   12.641963]  process_one_work (kernel/workqueue.c:3314)
[   12.641984]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.642003]  ? rescuer_thread (kernel/workqueue.c:3672)
[   12.642030]  kthread (kernel/kthread.c:436)
[   12.642060]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.642084]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.642112]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.642143]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.642362] ------------[ cut here ]------------
| [   12.642437] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/195
| [   12.642547] Modules linked in:
| [   12.642719] Tainted: [W]=WARN
[   12.642773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.642852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.642936] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.643097] RSP: 0018:ff5eafed00437cb8 EFLAGS: 00010286
[   12.643158] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.643242] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58700
[   12.643335] RBP: 0000000000000000 R08: ff156d86419627d0 R09: ff156d8645cb702c
[   12.643426] R10: ff156d8645d68120 R11: fefefefefefefeff R12: 0000000000000000
[   12.643520] R13: 0000000000000010 R14: ff156d8645d68000 R15: ff156d8641d58700
[   12.643608] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   12.643704] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.643784] CR2: 00007f98023e7bc0 CR3: 0000000005c36005 CR4: 0000000000771ef0
[   12.643869] PKRU: 55555554
[   12.643918] Call Trace:
[   12.643970]  <TASK>
[   12.644019]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   12.644086]  register_netdevice (net/core/dev.c:11488)
[   12.644142]  register_netdev (net/core/dev.c:11552)
[   12.644208]  loopback_net_init (drivers/net/loopback.c:218)
[   12.644271]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   12.644339]  ops_init (net/core/net_namespace.c:137)
[   12.644398]  setup_net (net/core/net_namespace.c:446)
[   12.644474]  copy_net_ns (net/core/net_namespace.c:579)
[   12.644542]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.644621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.644692]  ksys_unshare (kernel/fork.c:3243)
[   12.644751]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.644809]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.644865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.644952] RIP: 0033:0x7f98023e7bcb
[   12.645015] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.645185] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.645274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   12.645364] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   12.645450] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   12.645534] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   12.645642] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   12.645909] ------------[ cut here ]------------
| [   12.645982] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/195
| [   12.646088] Modules linked in:
| [   12.646249] Tainted: [W]=WARN
[   12.646310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.646383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.646462] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.646600] RSP: 0018:ff5eafed00437c10 EFLAGS: 00010286
[   12.646678] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.646764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58400
[   12.646850] RBP: 0000000000000000 R08: ff156d8641908f90 R09: ff156d864468d030
[   12.646940] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   12.647041] R13: 0000000000000010 R14: ff156d8645cb7000 R15: ff156d8641d58400
[   12.647139] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   12.647219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.647298] CR2: 00007f98023e7bc0 CR3: 0000000005c36005 CR4: 0000000000771ef0
[   12.647391] PKRU: 55555554
[   12.647440] Call Trace:
[   12.647501]  <TASK>
[   12.647550]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   12.647613]  register_netdevice (net/core/dev.c:11488)
[   12.647684]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.647741]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.647802]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   12.647862]  ops_init (net/core/net_namespace.c:137)
[   12.647922]  setup_net (net/core/net_namespace.c:446)
[   12.647986]  copy_net_ns (net/core/net_namespace.c:579)
[   12.648075]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.648138]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.648205]  ksys_unshare (kernel/fork.c:3243)
[   12.648265]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.648326]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.648387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.648454] RIP: 0033:0x7f98023e7bcb
[   12.648513] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.648647] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.648723] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   12.648795] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   12.648871] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   12.648948] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   12.649032] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   12.649252] ------------[ cut here ]------------
| [   12.649284] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   12.649337] Modules linked in:
| [   12.649412] Tainted: [W]=WARN
[   12.649434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.649471] Workqueue: netns cleanup_net
[   12.649494] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.649525] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.649623] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   12.649653] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.649692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   12.649736] RBP: 0000000000000000 R08: ff156d864195a7d0 R09: ff156d8645d6602c
[   12.649780] R10: ff156d8645cc9120 R11: fefefefefefefeff R12: 0000000000000000
[   12.649819] R13: 0000000000000011 R14: ff156d8645cc9000 R15: ff156d8641d67100
[   12.649863] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   12.649902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.649935] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   12.649973] PKRU: 55555554
[   12.649991] Call Trace:
[   12.650008]  <TASK>
[   12.650022]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   12.650054]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   12.650084]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   12.650108]  cleanup_net (net/core/net_namespace.c:702)
[   12.650135]  process_one_work (kernel/workqueue.c:3314)
[   12.650160]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.650184]  ? rescuer_thread (kernel/workqueue.c:3672)
[   12.650203]  kthread (kernel/kthread.c:436)
[   12.650232]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.650256]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.650278]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   12.650300]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.650464] ------------[ cut here ]------------
| [   12.650526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/195
| [   12.650610] Modules linked in:
| [   12.650770] Tainted: [W]=WARN
[   12.650824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.650891] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.650954] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.651092] RSP: 0018:ff5eafed00437bf0 EFLAGS: 00010286
[   12.651157] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.651234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236b00
[   12.651311] RBP: 0000000000000000 R08: ff156d8641977e50 R09: ff156d8645d00030
[   12.651388] R10: ff156d8645d6a120 R11: fefefefefefefeff R12: 0000000000000000
[   12.651465] R13: 0000000000000010 R14: ff156d8645d6a000 R15: ff156d8643236b00
[   12.651544] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   12.651626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.651694] CR2: 00007f98023e7bc0 CR3: 0000000005c36005 CR4: 0000000000771ef0
[   12.651772] PKRU: 55555554
[   12.651824] Call Trace:
[   12.651875]  <TASK>
[   12.651928]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   12.651986]  register_netdevice (net/core/dev.c:11488)
[   12.652055]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   12.652115]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   12.652175]  vti_init_net (net/ipv4/ip_vti.c:517)
[   12.652235]  ops_init (net/core/net_namespace.c:137)
[   12.652295]  setup_net (net/core/net_namespace.c:446)
[   12.652354]  copy_net_ns (net/core/net_namespace.c:579)
[   12.652414]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.652479]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.652545]  ksys_unshare (kernel/fork.c:3243)
[   12.652605]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.652666]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.652730]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.652793] RIP: 0033:0x7f98023e7bcb
[   12.652852] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.652975] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.653063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   12.653138] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   12.653215] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   12.653289] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   12.653364] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   12.653621] ------------[ cut here ]------------
| [   12.653683] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/195
| [   12.653769] Modules linked in:
| [   12.653917] Tainted: [W]=WARN
[   12.653975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.654056] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.654120] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.654243] RSP: 0018:ff5eafed00437ca8 EFLAGS: 00010286
[   12.654308] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.654384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236300
[   12.654462] RBP: 0000000000000000 R08: ff156d8643080650 R09: ff156d864200e034
[   12.654541] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   12.654623] R13: 0000000000000010 R14: ff156d8645d8e000 R15: ff156d8643236300
[   12.654703] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   12.654780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.654849] CR2: 00007f98023e7bc0 CR3: 0000000005c36005 CR4: 0000000000771ef0
[   12.654929] PKRU: 55555554
[   12.654981] Call Trace:
[   12.655039]  <TASK>
[   12.655090]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   12.655149]  register_netdevice (net/core/dev.c:11488)
[   12.655209]  register_netdev (net/core/dev.c:11552)
[   12.655267]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   12.655326]  ops_init (net/core/net_namespace.c:137)
[   12.655385]  setup_net (net/core/net_namespace.c:446)
[   12.655448]  copy_net_ns (net/core/net_namespace.c:579)
[   12.655509]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.655577]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.655648]  ksys_unshare (kernel/fork.c:3243)
[   12.655710]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.655770]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.655832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.655897] RIP: 0033:0x7f98023e7bcb
[   12.655959] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.656089] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.656168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   12.656243] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   12.656318] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   12.656397] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   12.656475] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   12.656728] ------------[ cut here ]------------
| [   12.656792] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/195
| [   12.656881] Modules linked in:
| [   12.657035] Tainted: [W]=WARN
[   12.657093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.657162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.657229] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.657357] RSP: 0018:ff5eafed00437ca0 EFLAGS: 00010286
[   12.657424] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.657501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c100
[   12.657578] RBP: 0000000000000000 R08: ff156d8641977bd0 R09: ff156d8645d89030
[   12.657661] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   12.657741] R13: 0000000000000010 R14: ff156d864200e000 R15: ff156d864322c100
[   12.657821] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   12.657902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.657975] CR2: 00007f98023e7bc0 CR3: 0000000005c36005 CR4: 0000000000771ef0
[   12.658057] PKRU: 55555554
[   12.658109] Call Trace:
[   12.658161]  <TASK>
[   12.658213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   12.658272]  register_netdevice (net/core/dev.c:11488)
[   12.658334]  register_netdev (net/core/dev.c:11552)
[   12.658393]  sit_init_net (net/ipv6/sit.c:1860)
[   12.658453]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   12.658513]  ops_init (net/core/net_namespace.c:137)
[   12.658575]  setup_net (net/core/net_namespace.c:446)
[   12.658643]  copy_net_ns (net/core/net_namespace.c:579)
[   12.658702]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.658770]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.658836]  ksys_unshare (kernel/fork.c:3243)
[   12.658895]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.658958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.659017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.659091] RIP: 0033:0x7f98023e7bcb
[   12.659149] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.659269] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.659344] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   12.659423] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   12.659497] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   12.659572] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   12.659656] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   12.659901] ------------[ cut here ]------------
| [   12.659962] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/195
| [   12.660052] Modules linked in:
| [   12.660199] Tainted: [W]=WARN
[   12.660256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.660328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.660393] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.660516] RSP: 0018:ff5eafed00437ca8 EFLAGS: 00010286
[   12.660584] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   12.660666] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234600
[   12.660743] RBP: 0000000000000000 R08: ff156d864445e9d0 R09: ff156d864317d030
[   12.660817] R10: ff156d8645d89120 R11: fefefefefefefeff R12: 0000000000000000
[   12.660896] R13: 0000000000000010 R14: ff156d8645d89000 R15: ff156d8643234600
[   12.660975] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   12.661060] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.661130] CR2: 00007f98023e7bc0 CR3: 0000000005c36005 CR4: 0000000000771ef0
[   12.661211] PKRU: 55555554
[   12.661263] Call Trace:
[   12.661315]  <TASK>
[   12.661367]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   12.661426]  register_netdevice (net/core/dev.c:11488)
[   12.661486]  register_netdev (net/core/dev.c:11552)
[   12.661544]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   12.661604]  ops_init (net/core/net_namespace.c:137)
[   12.661668]  setup_net (net/core/net_namespace.c:446)
[   12.661728]  copy_net_ns (net/core/net_namespace.c:579)
[   12.661787]  create_new_namespaces (kernel/nsproxy.c:132)
[   12.661855]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   12.661925]  ksys_unshare (kernel/fork.c:3243)
[   12.661984]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   12.662052]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.662115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.662179] RIP: 0033:0x7f98023e7bcb
[   12.662240] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.662366] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   12.662444] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   12.662522] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   12.662602] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   12.662683] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   12.662761] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   13.663294] ------------[ cut here ]------------
| [   13.663394] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   13.663497] Modules linked in:
| [   13.663627] Tainted: [W]=WARN
[   13.663647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.663700] Workqueue: netns cleanup_net
[   13.663729] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.663767] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.663861] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   13.663893] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.663954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   13.664002] RBP: 0000000000000000 R08: ff156d864445e9d0 R09: ff156d86432df830
[   13.664054] R10: ff156d8645d89120 R11: fefefefefefefeff R12: 0000000000000000
[   13.664115] R13: 0000000000000011 R14: ff156d8645d89000 R15: ff156d8641d67100
[   13.664175] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   13.664222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.664269] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   13.664316] PKRU: 55555554
[   13.664350] Call Trace:
[   13.664364]  <TASK>
[   13.664380]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.664419]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.664449]  cleanup_net (net/core/net_namespace.c:702)
[   13.664483]  process_one_work (kernel/workqueue.c:3314)
[   13.664514]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.664550]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.664585]  kthread (kernel/kthread.c:436)
[   13.664629]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.664656]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.664685]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.664717]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.664853] ------------[ cut here ]------------
| [   13.664883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   13.664955] Modules linked in:
| [   13.665068] Tainted: [W]=WARN
[   13.665094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.665133] Workqueue: netns cleanup_net
[   13.665157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.665193] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.665321] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   13.665364] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.665406] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   13.665475] RBP: 0000000000000000 R08: ff156d8641977bd0 R09: ff156d8645d82030
[   13.665537] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   13.665579] R13: 0000000000000011 R14: ff156d864200e000 R15: ff156d8641d67100
[   13.665631] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   13.665682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.665718] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   13.665778] PKRU: 55555554
[   13.665795] Call Trace:
[   13.665808]  <TASK>
[   13.665824]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.665875]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.665903]  cleanup_net (net/core/net_namespace.c:702)
[   13.665926]  process_one_work (kernel/workqueue.c:3314)
[   13.665951]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.665978]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.666005]  kthread (kernel/kthread.c:436)
[   13.666039]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.666066]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.666106]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.666126]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.666247] ------------[ cut here ]------------
| [   13.666277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   13.666336] Modules linked in:
| [   13.666408] Tainted: [W]=WARN
[   13.666439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.666475] Workqueue: netns cleanup_net
[   13.666503] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.666541] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.666691] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   13.666736] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.666793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   13.666840] RBP: 0000000000000000 R08: ff156d8643080650 R09: ff156d8645cfa034
[   13.666898] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   13.666948] R13: 0000000000000011 R14: ff156d8645d8e000 R15: ff156d8641d67100
[   13.666998] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   13.667050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.667103] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   13.667157] PKRU: 55555554
[   13.667172] Call Trace:
[   13.667199]  <TASK>
[   13.667220]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.667253]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.667276]  cleanup_net (net/core/net_namespace.c:702)
[   13.667306]  process_one_work (kernel/workqueue.c:3314)
[   13.667332]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.667371]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.667391]  kthread (kernel/kthread.c:436)
[   13.667416]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.667447]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.667470]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.667492]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.667634] ------------[ cut here ]------------
| [   13.667664] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   13.667727] Modules linked in:
| [   13.667815] Tainted: [W]=WARN
[   13.667849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.667889] Workqueue: netns cleanup_net
[   13.667920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.667952] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.668069] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   13.668098] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.668150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   13.668201] RBP: 0000000000000000 R08: ff156d8641977e50 R09: ff156d86432ca830
[   13.668240] R10: ff156d8645d6a120 R11: fefefefefefefeff R12: 0000000000000000
[   13.668301] R13: 0000000000000011 R14: ff156d8645d6a000 R15: ff156d8641d67100
[   13.668350] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   13.668399] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.668446] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   13.668499] PKRU: 55555554
[   13.668517] Call Trace:
[   13.668529]  <TASK>
[   13.668562]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.668589]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.668631]  cleanup_net (net/core/net_namespace.c:702)
[   13.668656]  process_one_work (kernel/workqueue.c:3314)
[   13.668684]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.668704]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.668728]  kthread (kernel/kthread.c:436)
[   13.668760]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.668788]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.668819]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.668852]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.668963] ------------[ cut here ]------------
| [   13.669005] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   13.669074] Modules linked in:
| [   13.669167] Tainted: [W]=WARN
[   13.669188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.669231] Workqueue: netns cleanup_net
[   13.669255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.669290] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.669404] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   13.669440] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.669492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   13.669546] RBP: 0000000000000000 R08: ff156d8641908f90 R09: ff156d86432dd830
[   13.669589] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   13.669632] R13: 0000000000000011 R14: ff156d8645cb7000 R15: ff156d8641d67100
[   13.669688] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   13.669743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.669792] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   13.669835] PKRU: 55555554
[   13.669850] Call Trace:
[   13.669873]  <TASK>
[   13.669886]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.669935]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.669963]  cleanup_net (net/core/net_namespace.c:702)
[   13.669995]  process_one_work (kernel/workqueue.c:3314)
[   13.670029]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.670059]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.670088]  kthread (kernel/kthread.c:436)
[   13.670110]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.670136]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.670176]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.670197]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.670429] ------------[ cut here ]------------
| [   13.670518] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/197
| [   13.670613] Modules linked in:
| [   13.670809] Tainted: [W]=WARN
[   13.670867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.670956] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.671043] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.671211] RSP: 0018:ff5eafed0043fcb8 EFLAGS: 00010286
[   13.671291] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.671384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58700
[   13.671472] RBP: 0000000000000000 R08: ff156d864451d790 R09: ff156d8645d8a02c
[   13.671562] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[   13.671650] R13: 0000000000000010 R14: ff156d8645d78000 R15: ff156d8641d58700
[   13.671750] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   13.671840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.671922] CR2: 00007f98023e7bc0 CR3: 0000000005c3a006 CR4: 0000000000771ef0
[   13.672004] PKRU: 55555554
[   13.672059] Call Trace:
[   13.672114]  <TASK>
[   13.672163]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.672225]  register_netdevice (net/core/dev.c:11488)
[   13.672294]  register_netdev (net/core/dev.c:11552)
[   13.672353]  loopback_net_init (drivers/net/loopback.c:218)
[   13.672417]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   13.672483]  ops_init (net/core/net_namespace.c:137)
[   13.672565]  setup_net (net/core/net_namespace.c:446)
[   13.672633]  copy_net_ns (net/core/net_namespace.c:579)
[   13.672708]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.672783]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.672858]  ksys_unshare (kernel/fork.c:3243)
[   13.672920]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.672987]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.673073]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.673156] RIP: 0033:0x7f98023e7bcb
[   13.673221] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.673376] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.673459] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   13.673545] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   13.673639] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   13.673740] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   13.673825] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   13.674088] ------------[ cut here ]------------
| [   13.674151] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/197
| [   13.674250] Modules linked in:
| [   13.674426] Tainted: [W]=WARN
[   13.674480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.674568] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.674650] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.674785] RSP: 0018:ff5eafed0043fc10 EFLAGS: 00010286
[   13.674867] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.674954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236500
[   13.675048] RBP: 0000000000000000 R08: ff156d86444751d0 R09: ff156d86432db830
[   13.675132] R10: ff156d8645d8a120 R11: fefefefefefefeff R12: 0000000000000000
[   13.675210] R13: 0000000000000010 R14: ff156d8645d8a000 R15: ff156d8643236500
[   13.675292] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   13.675372] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.675444] CR2: 00007f98023e7bc0 CR3: 0000000005c3a006 CR4: 0000000000771ef0
[   13.675524] PKRU: 55555554
[   13.675577] Call Trace:
[   13.675635]  <TASK>
[   13.675686]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.675747]  register_netdevice (net/core/dev.c:11488)
[   13.675808]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.675870]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.675933]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   13.675994]  ops_init (net/core/net_namespace.c:137)
[   13.676060]  setup_net (net/core/net_namespace.c:446)
[   13.676122]  copy_net_ns (net/core/net_namespace.c:579)
[   13.676191]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.676259]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.676327]  ksys_unshare (kernel/fork.c:3243)
[   13.676390]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.676446]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.676512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.676578] RIP: 0033:0x7f98023e7bcb
[   13.676646] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.676774] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.676856] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   13.676934] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   13.677013] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   13.677095] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   13.677180] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   13.677396] ------------[ cut here ]------------
| [   13.677428] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   13.677487] Modules linked in:
| [   13.677561] Tainted: [W]=WARN
[   13.677580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.677612] Workqueue: netns cleanup_net
[   13.677648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.677675] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.677771] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   13.677798] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.677836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   13.677875] RBP: 0000000000000000 R08: ff156d86419627d0 R09: ff156d86432da02c
[   13.677916] R10: ff156d8645d68120 R11: fefefefefefefeff R12: 0000000000000000
[   13.677954] R13: 0000000000000011 R14: ff156d8645d68000 R15: ff156d8641d67100
[   13.677998] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   13.678050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.678085] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   13.678125] PKRU: 55555554
[   13.678141] Call Trace:
[   13.678156]  <TASK>
[   13.678170]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.678199]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.678229]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.678250]  cleanup_net (net/core/net_namespace.c:702)
[   13.678271]  process_one_work (kernel/workqueue.c:3314)
[   13.678292]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.678313]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.678338]  kthread (kernel/kthread.c:436)
[   13.678360]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.678383]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.678405]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.678425]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.678579] ------------[ cut here ]------------
| [   13.678646] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/197
| [   13.678733] Modules linked in:
| [   13.678883] Tainted: [W]=WARN
[   13.678942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.679014] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.679084] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.679211] RSP: 0018:ff5eafed0043fbf0 EFLAGS: 00010286
[   13.679279] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.679357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236e00
[   13.679437] RBP: 0000000000000000 R08: ff156d864191e4d0 R09: ff156d86432ea830
[   13.679511] R10: ff156d8645d58120 R11: fefefefefefefeff R12: 0000000000000000
[   13.679590] R13: 0000000000000010 R14: ff156d8645d58000 R15: ff156d8643236e00
[   13.679674] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   13.679755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.679826] CR2: 00007f98023e7bc0 CR3: 0000000005c3a006 CR4: 0000000000771ef0
[   13.679904] PKRU: 55555554
[   13.679954] Call Trace:
[   13.680004]  <TASK>
[   13.680059]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.680116]  register_netdevice (net/core/dev.c:11488)
[   13.680177]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.680240]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.680299]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.680360]  ops_init (net/core/net_namespace.c:137)
[   13.680419]  setup_net (net/core/net_namespace.c:446)
[   13.680480]  copy_net_ns (net/core/net_namespace.c:579)
[   13.680542]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.680609]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.680678]  ksys_unshare (kernel/fork.c:3243)
[   13.680738]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.680797]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.680857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.680923] RIP: 0033:0x7f98023e7bcb
[   13.680982] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.681115] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.681193] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   13.681270] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   13.681347] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   13.681424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   13.681502] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   13.681757] ------------[ cut here ]------------
| [   13.681821] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/197
| [   13.681905] Modules linked in:
| [   13.682068] Tainted: [W]=WARN
[   13.682125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.682196] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.682264] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.682393] RSP: 0018:ff5eafed0043fca8 EFLAGS: 00010286
[   13.682459] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.682537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58600
[   13.682615] RBP: 0000000000000000 R08: ff156d86419265d0 R09: ff156d8645cb7034
[   13.682701] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   13.682777] R13: 0000000000000010 R14: ff156d8645d29000 R15: ff156d8641d58600
[   13.682856] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   13.682934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.683005] CR2: 00007f98023e7bc0 CR3: 0000000005c3a006 CR4: 0000000000771ef0
[   13.683087] PKRU: 55555554
[   13.683136] Call Trace:
[   13.683185]  <TASK>
[   13.683235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.683293]  register_netdevice (net/core/dev.c:11488)
[   13.683354]  register_netdev (net/core/dev.c:11552)
[   13.683413]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.683476]  ops_init (net/core/net_namespace.c:137)
[   13.683538]  setup_net (net/core/net_namespace.c:446)
[   13.683598]  copy_net_ns (net/core/net_namespace.c:579)
[   13.683662]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.683730]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.683796]  ksys_unshare (kernel/fork.c:3243)
[   13.683856]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.683915]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.683976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.684050] RIP: 0033:0x7f98023e7bcb
[   13.684110] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.684238] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.684315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   13.684390] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   13.684469] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   13.684546] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   13.684625] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   13.684867] ------------[ cut here ]------------
| [   13.684932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/197
| [   13.685017] Modules linked in:
| [   13.685172] Tainted: [W]=WARN
[   13.685228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.685300] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.685367] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.685492] RSP: 0018:ff5eafed0043fca0 EFLAGS: 00010286
[   13.685558] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.685639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c100
[   13.685721] RBP: 0000000000000000 R08: ff156d8641944310 R09: ff156d864200e030
[   13.685799] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   13.685876] R13: 0000000000000010 R14: ff156d8645cb7000 R15: ff156d864322c100
[   13.685957] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   13.686043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.686114] CR2: 00007f98023e7bc0 CR3: 0000000005c3a006 CR4: 0000000000771ef0
[   13.686193] PKRU: 55555554
[   13.686242] Call Trace:
[   13.686294]  <TASK>
[   13.686346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.686406]  register_netdevice (net/core/dev.c:11488)
[   13.686467]  register_netdev (net/core/dev.c:11552)
[   13.686528]  sit_init_net (net/ipv6/sit.c:1860)
[   13.686589]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   13.686653]  ops_init (net/core/net_namespace.c:137)
[   13.686714]  setup_net (net/core/net_namespace.c:446)
[   13.686774]  copy_net_ns (net/core/net_namespace.c:579)
[   13.686836]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.686903]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.686970]  ksys_unshare (kernel/fork.c:3243)
[   13.687039]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.687101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.687165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.687233] RIP: 0033:0x7f98023e7bcb
[   13.687296] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.687416] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.687496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   13.687576] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   13.687656] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   13.687733] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   13.687811] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   13.688074] ------------[ cut here ]------------
| [   13.688145] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/197
| [   13.688230] Modules linked in:
| [   13.688381] Tainted: [W]=WARN
[   13.688440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.688511] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.688578] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.688705] RSP: 0018:ff5eafed0043fca8 EFLAGS: 00010286
[   13.688772] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.688854] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322cb00
[   13.688933] RBP: 0000000000000000 R08: ff156d8642b53910 R09: ff156d8645d8d030
[   13.689010] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   13.689094] R13: 0000000000000010 R14: ff156d864200e000 R15: ff156d864322cb00
[   13.689172] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   13.689251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.689326] CR2: 00007f98023e7bc0 CR3: 0000000005c3a006 CR4: 0000000000771ef0
[   13.689408] PKRU: 55555554
[   13.689460] Call Trace:
[   13.689510]  <TASK>
[   13.689560]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.689626]  register_netdevice (net/core/dev.c:11488)
[   13.689689]  register_netdev (net/core/dev.c:11552)
[   13.689751]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.689814]  ops_init (net/core/net_namespace.c:137)
[   13.689876]  setup_net (net/core/net_namespace.c:446)
[   13.689940]  copy_net_ns (net/core/net_namespace.c:579)
[   13.690003]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.690075]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.690143]  ksys_unshare (kernel/fork.c:3243)
[   13.690206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.690268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.690331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.690400] RIP: 0033:0x7f98023e7bcb
[   13.690463] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.690591] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.690675] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   13.690751] RDX: 0000000000406460 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   13.690828] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   13.690908] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   13.690988] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.691479] ------------[ cut here ]------------
| [   14.691595] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.691775] Modules linked in:
| [   14.691870] Tainted: [W]=WARN
[   14.691891] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.691966] Workqueue: netns cleanup_net
[   14.692002] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.692039] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.692172] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.692202] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.692255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.692303] RBP: 0000000000000000 R08: ff156d8642b53910 R09: ff156d8645d0f030
[   14.692346] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   14.692389] R13: 0000000000000011 R14: ff156d864200e000 R15: ff156d8641d67100
[   14.692456] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.692506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.692541] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   14.692591] PKRU: 55555554
[   14.692606] Call Trace:
[   14.692619]  <TASK>
[   14.692636]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.692679]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.692711]  cleanup_net (net/core/net_namespace.c:702)
[   14.692732]  process_one_work (kernel/workqueue.c:3314)
[   14.692752]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.692771]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.692804]  kthread (kernel/kthread.c:436)
[   14.692836]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.692856]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.692884]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.692920]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.693030] ------------[ cut here ]------------
| [   14.693074] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.693126] Modules linked in:
| [   14.693219] Tainted: [W]=WARN
[   14.693238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.693277] Workqueue: netns cleanup_net
[   14.693313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.693348] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.693475] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.693504] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.693567] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.693616] RBP: 0000000000000000 R08: ff156d8641944310 R09: ff156d8645d82030
[   14.693670] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   14.693717] R13: 0000000000000011 R14: ff156d8645cb7000 R15: ff156d8641d67100
[   14.693769] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.693812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.693852] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   14.693899] PKRU: 55555554
[   14.693912] Call Trace:
[   14.693923]  <TASK>
[   14.693934]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.693977]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.693997]  cleanup_net (net/core/net_namespace.c:702)
[   14.694030]  process_one_work (kernel/workqueue.c:3314)
[   14.694049]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.694078]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.694103]  kthread (kernel/kthread.c:436)
[   14.694126]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.694146]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.694171]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.694193]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.694288] ------------[ cut here ]------------
| [   14.694317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.694374] Modules linked in:
| [   14.694469] Tainted: [W]=WARN
[   14.694495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.694533] Workqueue: netns cleanup_net
[   14.694564] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.694595] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.694713] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.694742] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.694794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.694846] RBP: 0000000000000000 R08: ff156d86419265d0 R09: ff156d86432cd034
[   14.694888] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   14.694929] R13: 0000000000000011 R14: ff156d8645d29000 R15: ff156d8641d67100
[   14.694972] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.695034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.695081] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   14.695133] PKRU: 55555554
[   14.695152] Call Trace:
[   14.695167]  <TASK>
[   14.695185]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.695211]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.695238]  cleanup_net (net/core/net_namespace.c:702)
[   14.695263]  process_one_work (kernel/workqueue.c:3314)
[   14.695304]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.695323]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.695346]  kthread (kernel/kthread.c:436)
[   14.695370]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.695404]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.695431]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.695452]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.695550] ------------[ cut here ]------------
| [   14.695590] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.695667] Modules linked in:
| [   14.695757] Tainted: [W]=WARN
[   14.695774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.695808] Workqueue: netns cleanup_net
[   14.695838] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.695862] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.695984] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.696018] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.696075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.696124] RBP: 0000000000000000 R08: ff156d864191e4d0 R09: ff156d86432df030
[   14.696164] R10: ff156d8645d58120 R11: fefefefefefefeff R12: 0000000000000000
[   14.696226] R13: 0000000000000011 R14: ff156d8645d58000 R15: ff156d8641d67100
[   14.696298] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.696343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.696394] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   14.696438] PKRU: 55555554
[   14.696458] Call Trace:
[   14.696472]  <TASK>
[   14.696488]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.696523]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.696555]  cleanup_net (net/core/net_namespace.c:702)
[   14.696584]  process_one_work (kernel/workqueue.c:3314)
[   14.696612]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.696637]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.696659]  kthread (kernel/kthread.c:436)
[   14.696691]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.696718]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.696740]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.696764]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.696900] ------------[ cut here ]------------
| [   14.696927] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.697000] Modules linked in:
| [   14.697075] Tainted: [W]=WARN
[   14.697092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.697124] Workqueue: netns cleanup_net
[   14.697159] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.697183] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.697315] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.697341] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.697396] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.697462] RBP: 0000000000000000 R08: ff156d86444751d0 R09: ff156d8645d31030
[   14.697502] R10: ff156d8645d8a120 R11: fefefefefefefeff R12: 0000000000000000
[   14.697551] R13: 0000000000000011 R14: ff156d8645d8a000 R15: ff156d8641d67100
[   14.697597] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.697645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.697697] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   14.697754] PKRU: 55555554
[   14.697769] Call Trace:
[   14.697781]  <TASK>
[   14.697796]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.697842]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.697864]  cleanup_net (net/core/net_namespace.c:702)
[   14.697884]  process_one_work (kernel/workqueue.c:3314)
[   14.697909]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.697945]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.697962]  kthread (kernel/kthread.c:436)
[   14.697985]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.698013]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.698036]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.698061]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.698235] ------------[ cut here ]------------
| [   14.698324] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/199
| [   14.698441] Modules linked in:
| [   14.698651] Tainted: [W]=WARN
[   14.698720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.698800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.698861] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.699022] RSP: 0018:ff5eafed00447cb8 EFLAGS: 00010286
[   14.699107] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.699208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58700
[   14.699296] RBP: 0000000000000000 R08: ff156d86430808d0 R09: ff156d8645cb602c
[   14.699377] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   14.699479] R13: 0000000000000010 R14: ff156d8645cf1000 R15: ff156d8641d58700
[   14.699566] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   14.699675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.699745] CR2: 00007f98023e7bc0 CR3: 0000000004736001 CR4: 0000000000771ef0
[   14.699833] PKRU: 55555554
[   14.699900] Call Trace:
[   14.699949]  <TASK>
[   14.699999]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.700073]  register_netdevice (net/core/dev.c:11488)
[   14.700139]  register_netdev (net/core/dev.c:11552)
[   14.700206]  loopback_net_init (drivers/net/loopback.c:218)
[   14.700272]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   14.700357]  ops_init (net/core/net_namespace.c:137)
[   14.700430]  setup_net (net/core/net_namespace.c:446)
[   14.700502]  copy_net_ns (net/core/net_namespace.c:579)
[   14.700569]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.700637]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.700711]  ksys_unshare (kernel/fork.c:3243)
[   14.700774]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.700838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.700896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.700961] RIP: 0033:0x7f98023e7bcb
[   14.701043] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.701211] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.701294] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.701379] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.701458] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.701543] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.701635] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.701921] ------------[ cut here ]------------
| [   14.701987] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/199
| [   14.702090] Modules linked in:
| [   14.702246] Tainted: [W]=WARN
[   14.702304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.702374] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.702448] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.702603] RSP: 0018:ff5eafed00447c10 EFLAGS: 00010286
[   14.702673] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.702760] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58400
[   14.702845] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645d20030
[   14.702932] R10: ff156d8645cb6120 R11: fefefefefefefeff R12: 0000000000000000
[   14.703014] R13: 0000000000000010 R14: ff156d8645cb6000 R15: ff156d8641d58400
[   14.703120] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   14.703205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.703288] CR2: 00007f98023e7bc0 CR3: 0000000004736001 CR4: 0000000000771ef0
[   14.703376] PKRU: 55555554
[   14.703424] Call Trace:
[   14.703473]  <TASK>
[   14.703521]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.703594]  register_netdevice (net/core/dev.c:11488)
[   14.703663]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.703730]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.703788]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   14.703844]  ops_init (net/core/net_namespace.c:137)
[   14.703915]  setup_net (net/core/net_namespace.c:446)
[   14.703976]  copy_net_ns (net/core/net_namespace.c:579)
[   14.704041]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.704105]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.704169]  ksys_unshare (kernel/fork.c:3243)
[   14.704231]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.704287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.704344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.704408] RIP: 0033:0x7f98023e7bcb
[   14.704463] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.704592] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.704675] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.704752] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.704830] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.704907] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.704983] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.705200] ------------[ cut here ]------------
| [   14.705227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.705287] Modules linked in:
| [   14.705365] Tainted: [W]=WARN
[   14.705387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.705425] Workqueue: netns cleanup_net
[   14.705450] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.705480] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.705573] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   14.705597] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.705654] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.705695] RBP: 0000000000000000 R08: ff156d864451d790 R09: ff156d8645d5682c
[   14.705739] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[   14.705780] R13: 0000000000000011 R14: ff156d8645d78000 R15: ff156d8641d67100
[   14.705825] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.705867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.705905] CR2: 00000000004090e8 CR3: 0000000004559004 CR4: 0000000000771ef0
[   14.705947] PKRU: 55555554
[   14.705962] Call Trace:
[   14.705976]  <TASK>
[   14.705990]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.706016]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.706049]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.706072]  cleanup_net (net/core/net_namespace.c:702)
[   14.706092]  process_one_work (kernel/workqueue.c:3314)
[   14.706112]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.706132]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.706152]  kthread (kernel/kthread.c:436)
[   14.706173]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.706196]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.706222]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.706243]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.706403] ------------[ cut here ]------------
| [   14.706465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/199
| [   14.706550] Modules linked in:
| [   14.706702] Tainted: [W]=WARN
[   14.706756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.706825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.706888] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.707018] RSP: 0018:ff5eafed00447bf0 EFLAGS: 00010286
[   14.707087] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.707164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236b00
[   14.707240] RBP: 0000000000000000 R08: ff156d8642ba0110 R09: ff156d86432ea830
[   14.707318] R10: ff156d8645d68120 R11: fefefefefefefeff R12: 0000000000000000
[   14.707396] R13: 0000000000000010 R14: ff156d8645d68000 R15: ff156d8643236b00
[   14.707475] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   14.707554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.707628] CR2: 00007f98023e7bc0 CR3: 0000000004736001 CR4: 0000000000771ef0
[   14.707706] PKRU: 55555554
[   14.707755] Call Trace:
[   14.707803]  <TASK>
[   14.707852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.707908]  register_netdevice (net/core/dev.c:11488)
[   14.707964]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.708021]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.708087]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.708144]  ops_init (net/core/net_namespace.c:137)
[   14.708202]  setup_net (net/core/net_namespace.c:446)
[   14.708260]  copy_net_ns (net/core/net_namespace.c:579)
[   14.708316]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.708381]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.708447]  ksys_unshare (kernel/fork.c:3243)
[   14.708504]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.708560]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.708617]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.708689] RIP: 0033:0x7f98023e7bcb
[   14.708745] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.708881] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.708959] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.709043] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.709120] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.709197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.709275] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.709517] ------------[ cut here ]------------
| [   14.709581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/199
| [   14.709670] Modules linked in:
| [   14.709818] Tainted: [W]=WARN
[   14.709872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.709940] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.710004] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.710142] RSP: 0018:ff5eafed00447ca8 EFLAGS: 00010286
[   14.710204] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.710281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236300
[   14.710358] RBP: 0000000000000000 R08: ff156d8641908990 R09: ff156d8645d29034
[   14.710436] R10: ff156d8645d6f120 R11: fefefefefefefeff R12: 0000000000000000
[   14.710512] R13: 0000000000000010 R14: ff156d8645d6f000 R15: ff156d8643236300
[   14.710593] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   14.710678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.710748] CR2: 00007f98023e7bc0 CR3: 0000000004736001 CR4: 0000000000771ef0
[   14.710828] PKRU: 55555554
[   14.710877] Call Trace:
[   14.710925]  <TASK>
[   14.710974]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.711040]  register_netdevice (net/core/dev.c:11488)
[   14.711097]  register_netdev (net/core/dev.c:11552)
[   14.711153]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.711210]  ops_init (net/core/net_namespace.c:137)
[   14.711267]  setup_net (net/core/net_namespace.c:446)
[   14.711323]  copy_net_ns (net/core/net_namespace.c:579)
[   14.711380]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.711444]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.711507]  ksys_unshare (kernel/fork.c:3243)
[   14.711564]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.711619]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.711686]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.711749] RIP: 0033:0x7f98023e7bcb
[   14.711805] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.711936] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.712013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.712097] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.712172] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.712248] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.712326] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.712566] ------------[ cut here ]------------
| [   14.712640] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/199
| [   14.712727] Modules linked in:
| [   14.712874] Tainted: [W]=WARN
[   14.712928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.712998] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.713066] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.713198] RSP: 0018:ff5eafed00447ca0 EFLAGS: 00010286
[   14.713260] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.713337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c100
[   14.713414] RBP: 0000000000000000 R08: ff156d8641926910 R09: ff156d8644683030
[   14.713492] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   14.713568] R13: 0000000000000010 R14: ff156d8645d29000 R15: ff156d864322c100
[   14.713653] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   14.713733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.713803] CR2: 00007f98023e7bc0 CR3: 0000000004736001 CR4: 0000000000771ef0
[   14.713881] PKRU: 55555554
[   14.713929] Call Trace:
[   14.713978]  <TASK>
[   14.714034]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.714090]  register_netdevice (net/core/dev.c:11488)
[   14.714147]  register_netdev (net/core/dev.c:11552)
[   14.714203]  sit_init_net (net/ipv6/sit.c:1860)
[   14.714260]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   14.714317]  ops_init (net/core/net_namespace.c:137)
[   14.714374]  setup_net (net/core/net_namespace.c:446)
[   14.714430]  copy_net_ns (net/core/net_namespace.c:579)
[   14.714488]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.714553]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.714617]  ksys_unshare (kernel/fork.c:3243)
[   14.714681]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.714737]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.714794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.714857] RIP: 0033:0x7f98023e7bcb
[   14.714913] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.715055] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.715132] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.715208] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.715287] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.715364] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.715440] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.715690] ------------[ cut here ]------------
| [   14.715754] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/199
| [   14.715879] Modules linked in:
| [   14.716034] Tainted: [W]=WARN
[   14.716089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.716157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.716221] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.716358] RSP: 0018:ff5eafed00447ca8 EFLAGS: 00010286
[   14.716423] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.716500] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234300
[   14.716577] RBP: 0000000000000000 R08: ff156d864445ead0 R09: ff156d8645d89030
[   14.716660] R10: ff156d8644683120 R11: fefefefefefefeff R12: 0000000000000000
[   14.716737] R13: 0000000000000010 R14: ff156d8644683000 R15: ff156d8643234300
[   14.716818] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   14.716899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.716970] CR2: 00007f98023e7bc0 CR3: 0000000004736001 CR4: 0000000000771ef0
[   14.717056] PKRU: 55555554
[   14.717105] Call Trace:
[   14.717153]  <TASK>
[   14.717202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.717258]  register_netdevice (net/core/dev.c:11488)
[   14.717314]  register_netdev (net/core/dev.c:11552)
[   14.717371]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.717428]  ops_init (net/core/net_namespace.c:137)
[   14.717485]  setup_net (net/core/net_namespace.c:446)
[   14.717542]  copy_net_ns (net/core/net_namespace.c:579)
[   14.717598]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.717670]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.717735]  ksys_unshare (kernel/fork.c:3243)
[   14.717792]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.717848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.717904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.717967] RIP: 0033:0x7f98023e7bcb
[   14.718032] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.718164] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.718241] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.718318] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.718394] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.718500] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.718577] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.719219] ------------[ cut here ]------------
| [   14.719264] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/201
| [   14.719326] Modules linked in:
| [   14.719423] Tainted: [W]=WARN
[   14.719449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.719492] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.719522] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.719645] RSP: 0018:ff5eafed0041fcb8 EFLAGS: 00010286
[   14.719675] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.719722] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   14.719769] RBP: 0000000000000000 R08: ff156d864191e410 R09: ff156d8645d7e02c
[   14.719811] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[   14.719862] R13: 0000000000000010 R14: ff156d8645d6c000 R15: ff156d8641d86c00
[   14.719914] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.719965] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.720003] CR2: 00007f98023e7bc0 CR3: 000000000194c004 CR4: 0000000000771ef0
[   14.720059] PKRU: 55555554
[   14.720082] Call Trace:
[   14.720097]  <TASK>
[   14.720120]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.720144]  register_netdevice (net/core/dev.c:11488)
[   14.720172]  register_netdev (net/core/dev.c:11552)
[   14.720194]  loopback_net_init (drivers/net/loopback.c:218)
[   14.720219]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   14.720257]  ops_init (net/core/net_namespace.c:137)
[   14.720280]  setup_net (net/core/net_namespace.c:446)
[   14.720313]  copy_net_ns (net/core/net_namespace.c:579)
[   14.720332]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.720366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.720401]  ksys_unshare (kernel/fork.c:3243)
[   14.720424]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.720447]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.720478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.720524] RIP: 0033:0x7f98023e7bcb
[   14.720550] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.720665] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.720731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.720793] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.720847] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.720898] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.720933] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.721088] ------------[ cut here ]------------
| [   14.721126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/201
| [   14.721192] Modules linked in:
| [   14.721268] Tainted: [W]=WARN
[   14.721289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.721331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.721369] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.721486] RSP: 0018:ff5eafed0041fc10 EFLAGS: 00010286
[   14.721516] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.721568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234e00
[   14.721625] RBP: 0000000000000000 R08: ff156d864197e3d0 R09: ff156d8645d71030
[   14.721675] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[   14.721727] R13: 0000000000000010 R14: ff156d8645d7e000 R15: ff156d8643234e00
[   14.721766] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.721822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.721859] CR2: 00007f98023e7bc0 CR3: 000000000194c004 CR4: 0000000000771ef0
[   14.721914] PKRU: 55555554
[   14.721939] Call Trace:
[   14.721953]  <TASK>
[   14.721969]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.722002]  register_netdevice (net/core/dev.c:11488)
[   14.722034]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.722062]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.722087]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   14.722109]  ops_init (net/core/net_namespace.c:137)
[   14.722138]  setup_net (net/core/net_namespace.c:446)
[   14.722159]  copy_net_ns (net/core/net_namespace.c:579)
[   14.722187]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.722217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.722256]  ksys_unshare (kernel/fork.c:3243)
[   14.722285]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.722315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.722339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.722380] RIP: 0033:0x7f98023e7bcb
[   14.722414] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.722521] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.722564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.722617] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.722678] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.722734] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.722773] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.722902] ------------[ cut here ]------------
| [   14.722930] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/201
| [   14.722990] Modules linked in:
| [   14.723085] Tainted: [W]=WARN
[   14.723107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.723138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.723172] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.723270] RSP: 0018:ff5eafed0041fbf0 EFLAGS: 00010286
[   14.723310] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.723364] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fc00
[   14.723416] RBP: 0000000000000000 R08: ff156d8641926590 R09: ff156d86432dc830
[   14.723481] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   14.723523] R13: 0000000000000010 R14: ff156d8645d14000 R15: ff156d8642b5fc00
[   14.723582] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.723635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.723672] CR2: 00007f98023e7bc0 CR3: 000000000194c004 CR4: 0000000000771ef0
[   14.723718] PKRU: 55555554
[   14.723732] Call Trace:
[   14.723748]  <TASK>
[   14.723778]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.723800]  register_netdevice (net/core/dev.c:11488)
[   14.723822]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.723841]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.723858]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.723880]  ops_init (net/core/net_namespace.c:137)
[   14.723907]  setup_net (net/core/net_namespace.c:446)
[   14.723933]  copy_net_ns (net/core/net_namespace.c:579)
[   14.723956]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.723992]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.724021]  ksys_unshare (kernel/fork.c:3243)
[   14.724049]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.724082]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.724103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.724144] RIP: 0033:0x7f98023e7bcb
[   14.724169] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.724272] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.724328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.724383] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.724425] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.724470] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.724522] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.724655] ------------[ cut here ]------------
| [   14.724688] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/201
| [   14.724743] Modules linked in:
| [   14.724836] Tainted: [W]=WARN
[   14.724857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.724897] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.724935] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.725060] RSP: 0018:ff5eafed0041fca8 EFLAGS: 00010286
[   14.725083] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.725145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   14.725219] RBP: 0000000000000000 R08: ff156d864193efd0 R09: ff156d8645cf7034
[   14.725266] R10: ff156d8645d6e120 R11: fefefefefefefeff R12: 0000000000000000
[   14.725322] R13: 0000000000000010 R14: ff156d8645d6e000 R15: ff156d8641d86c00
[   14.725362] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.725416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.725448] CR2: 00007f98023e7bc0 CR3: 000000000194c004 CR4: 0000000000771ef0
[   14.725480] PKRU: 55555554
[   14.725508] Call Trace:
[   14.725520]  <TASK>
[   14.725534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.725555]  register_netdevice (net/core/dev.c:11488)
[   14.725573]  register_netdev (net/core/dev.c:11552)
[   14.725591]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.725610]  ops_init (net/core/net_namespace.c:137)
[   14.725647]  setup_net (net/core/net_namespace.c:446)
[   14.725672]  copy_net_ns (net/core/net_namespace.c:579)
[   14.725703]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.725725]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.725749]  ksys_unshare (kernel/fork.c:3243)
[   14.725784]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.725804]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.725833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.725864] RIP: 0033:0x7f98023e7bcb
[   14.725893] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.726001] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.726056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.726109] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.726157] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.726199] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.726252] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.726412] ------------[ cut here ]------------
| [   14.726452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/201
| [   14.726523] Modules linked in:
| [   14.726624] Tainted: [W]=WARN
[   14.726644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.726689] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.726720] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.726818] RSP: 0018:ff5eafed0041fca0 EFLAGS: 00010286
[   14.726849] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.726895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[   14.726946] RBP: 0000000000000000 R08: ff156d864191e350 R09: ff156d8644672030
[   14.727002] R10: ff156d8645cf7120 R11: fefefefefefefeff R12: 0000000000000000
[   14.727050] R13: 0000000000000010 R14: ff156d8645cf7000 R15: ff156d86418f3200
[   14.727103] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.727158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.727189] CR2: 00007f98023e7bc0 CR3: 000000000194c004 CR4: 0000000000771ef0
[   14.727243] PKRU: 55555554
[   14.727257] Call Trace:
[   14.727269]  <TASK>
[   14.727281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.727311]  register_netdevice (net/core/dev.c:11488)
[   14.727333]  register_netdev (net/core/dev.c:11552)
[   14.727363]  sit_init_net (net/ipv6/sit.c:1860)
[   14.727385]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   14.727421]  ops_init (net/core/net_namespace.c:137)
[   14.727445]  setup_net (net/core/net_namespace.c:446)
[   14.727481]  copy_net_ns (net/core/net_namespace.c:579)
[   14.727503]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.727542]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.727573]  ksys_unshare (kernel/fork.c:3243)
[   14.727603]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.727629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.727648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.727691] RIP: 0033:0x7f98023e7bcb
[   14.727717] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.727827] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.727883] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.727944] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.727990] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.728042] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.728098] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.728233] ------------[ cut here ]------------
| [   14.728268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/201
| [   14.728327] Modules linked in:
| [   14.728420] Tainted: [W]=WARN
[   14.728440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.728483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.728521] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.728643] RSP: 0018:ff5eafed0041fca8 EFLAGS: 00010286
[   14.728672] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.728721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f300
[   14.728760] RBP: 0000000000000000 R08: ff156d864191e3d0 R09: ff156d8645d69030
[   14.728828] R10: ff156d8644672120 R11: fefefefefefefeff R12: 0000000000000000
[   14.728869] R13: 0000000000000010 R14: ff156d8644672000 R15: ff156d8642b5f300
[   14.728908] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.728954] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.728998] CR2: 00007f98023e7bc0 CR3: 000000000194c004 CR4: 0000000000771ef0
[   14.729041] PKRU: 55555554
[   14.729056] Call Trace:
[   14.729078]  <TASK>
[   14.729094]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.729128]  register_netdevice (net/core/dev.c:11488)
[   14.729151]  register_netdev (net/core/dev.c:11552)
[   14.729174]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.729200]  ops_init (net/core/net_namespace.c:137)
[   14.729216]  setup_net (net/core/net_namespace.c:446)
[   14.729235]  copy_net_ns (net/core/net_namespace.c:579)
[   14.729267]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.729304]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.729343]  ksys_unshare (kernel/fork.c:3243)
[   14.729366]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.729392]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.729424]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.729450] RIP: 0033:0x7f98023e7bcb
[   14.729477] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.729577] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.729611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.729653] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.729702] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.729745] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.729798] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.730311] ------------[ cut here ]------------
| [   14.730341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/203
| [   14.730393] Modules linked in:
| [   14.730465] Tainted: [W]=WARN
[   14.730492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.730518] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.730552] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.730671] RSP: 0018:ff5eafed002c3cb8 EFLAGS: 00010286
[   14.730702] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.730764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86e00
[   14.730824] RBP: 0000000000000000 R08: ff156d8642b53950 R09: ff156d864200f02c
[   14.730875] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[   14.730933] R13: 0000000000000010 R14: ff156d8645d28000 R15: ff156d8641d86e00
[   14.730976] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.731038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.731083] CR2: 00007f98023e7bc0 CR3: 0000000004736006 CR4: 0000000000771ef0
[   14.731144] PKRU: 55555554
[   14.731165] Call Trace:
[   14.731196]  <TASK>
[   14.731218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.731248]  register_netdevice (net/core/dev.c:11488)
[   14.731271]  register_netdev (net/core/dev.c:11552)
[   14.731307]  loopback_net_init (drivers/net/loopback.c:218)
[   14.731331]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   14.731373]  ops_init (net/core/net_namespace.c:137)
[   14.731393]  setup_net (net/core/net_namespace.c:446)
[   14.731418]  copy_net_ns (net/core/net_namespace.c:579)
[   14.731451]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.731479]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.731522]  ksys_unshare (kernel/fork.c:3243)
[   14.731545]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.731574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.731605]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.731649] RIP: 0033:0x7f98023e7bcb
[   14.731670] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.731789] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.731838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.731894] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.731930] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.731985] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.732020] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.732157] ------------[ cut here ]------------
| [   14.732199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/203
| [   14.732248] Modules linked in:
| [   14.732339] Tainted: [W]=WARN
[   14.732357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.732399] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.732434] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.732534] RSP: 0018:ff5eafed002c3c10 EFLAGS: 00010286
[   14.732564] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.732633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fd00
[   14.732696] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d86432c2830
[   14.732746] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   14.732791] R13: 0000000000000010 R14: ff156d864200f000 R15: ff156d8642b5fd00
[   14.732852] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.732892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.732920] CR2: 00007f98023e7bc0 CR3: 0000000004736006 CR4: 0000000000771ef0
[   14.732973] PKRU: 55555554
[   14.732985] Call Trace:
[   14.732998]  <TASK>
[   14.733011]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.733046]  register_netdevice (net/core/dev.c:11488)
[   14.733065]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.733102]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.733123]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   14.733154]  ops_init (net/core/net_namespace.c:137)
[   14.733177]  setup_net (net/core/net_namespace.c:446)
[   14.733196]  copy_net_ns (net/core/net_namespace.c:579)
[   14.733215]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.733247]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.733281]  ksys_unshare (kernel/fork.c:3243)
[   14.733311]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.733332]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.733360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.733384] RIP: 0033:0x7f98023e7bcb
[   14.733407] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.733510] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.733557] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.733608] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.733658] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.733712] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.733749] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.733882] ------------[ cut here ]------------
| [   14.733916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/203
| [   14.733972] Modules linked in:
| [   14.734095] Tainted: [W]=WARN
[   14.734115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.734147] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.734179] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.734293] RSP: 0018:ff5eafed002c3bf0 EFLAGS: 00010286
[   14.734321] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.734375] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3f00
[   14.734420] RBP: 0000000000000000 R08: ff156d8641908a10 R09: ff156d8645d09030
[   14.734461] R10: ff156d8643179120 R11: fefefefefefefeff R12: 0000000000000000
[   14.734517] R13: 0000000000000010 R14: ff156d8643179000 R15: ff156d86418f3f00
[   14.734577] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.734634] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.734683] CR2: 00007f98023e7bc0 CR3: 0000000004736006 CR4: 0000000000771ef0
[   14.734735] PKRU: 55555554
[   14.734750] Call Trace:
[   14.734764]  <TASK>
[   14.734788]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.734810]  register_netdevice (net/core/dev.c:11488)
[   14.734830]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.734859]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.734885]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.734917]  ops_init (net/core/net_namespace.c:137)
[   14.734939]  setup_net (net/core/net_namespace.c:446)
[   14.734958]  copy_net_ns (net/core/net_namespace.c:579)
[   14.734990]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.735013]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.735053]  ksys_unshare (kernel/fork.c:3243)
[   14.735077]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.735112]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.735134]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.735176] RIP: 0033:0x7f98023e7bcb
[   14.735193] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.735317] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.735364] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.735417] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.735466] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.735527] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.735569] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.735722] ------------[ cut here ]------------
| [   14.735752] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/203
| [   14.735794] Modules linked in:
| [   14.735880] Tainted: [W]=WARN
[   14.735907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.735939] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.735976] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.736100] RSP: 0018:ff5eafed002c3ca8 EFLAGS: 00010286
[   14.736132] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.736198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3500
[   14.736250] RBP: 0000000000000000 R08: ff156d864440bad0 R09: ff156d8645d2b034
[   14.736291] R10: ff156d8644681120 R11: fefefefefefefeff R12: 0000000000000000
[   14.736336] R13: 0000000000000010 R14: ff156d8644681000 R15: ff156d86418f3500
[   14.736393] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.736444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.736480] CR2: 00007f98023e7bc0 CR3: 0000000004736006 CR4: 0000000000771ef0
[   14.736548] PKRU: 55555554
[   14.736561] Call Trace:
[   14.736578]  <TASK>
[   14.736598]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.736618]  register_netdevice (net/core/dev.c:11488)
[   14.736638]  register_netdev (net/core/dev.c:11552)
[   14.736669]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.736692]  ops_init (net/core/net_namespace.c:137)
[   14.736730]  setup_net (net/core/net_namespace.c:446)
[   14.736748]  copy_net_ns (net/core/net_namespace.c:579)
[   14.736767]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.736808]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.736832]  ksys_unshare (kernel/fork.c:3243)
[   14.736850]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.736867]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.736885]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.736923] RIP: 0033:0x7f98023e7bcb
[   14.736943] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.737053] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.737094] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.737137] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.737179] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.737231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.737280] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.737390] ------------[ cut here ]------------
| [   14.737411] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/203
| [   14.737469] Modules linked in:
| [   14.737537] Tainted: [W]=WARN
[   14.737566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.737603] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.737647] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.737774] RSP: 0018:ff5eafed002c3ca0 EFLAGS: 00010286
[   14.737811] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.737848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[   14.737905] RBP: 0000000000000000 R08: ff156d86444e1310 R09: ff156d8645d78030
[   14.737952] R10: ff156d8645d2b120 R11: fefefefefefefeff R12: 0000000000000000
[   14.737982] R13: 0000000000000010 R14: ff156d8645d2b000 R15: ff156d86418f3200
[   14.738020] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.738070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.738104] CR2: 00007f98023e7bc0 CR3: 0000000004736006 CR4: 0000000000771ef0
[   14.738159] PKRU: 55555554
[   14.738177] Call Trace:
[   14.738188]  <TASK>
[   14.738202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.738234]  register_netdevice (net/core/dev.c:11488)
[   14.738257]  register_netdev (net/core/dev.c:11552)
[   14.738284]  sit_init_net (net/ipv6/sit.c:1860)
[   14.738308]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   14.738339]  ops_init (net/core/net_namespace.c:137)
[   14.738361]  setup_net (net/core/net_namespace.c:446)
[   14.738392]  copy_net_ns (net/core/net_namespace.c:579)
[   14.738414]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.738459]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.738485]  ksys_unshare (kernel/fork.c:3243)
[   14.738505]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.738532]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.738551]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.738594] RIP: 0033:0x7f98023e7bcb
[   14.738613] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.738719] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.738775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.738828] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.738880] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.738937] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.738994] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.739130] ------------[ cut here ]------------
| [   14.739155] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/203
| [   14.739219] Modules linked in:
| [   14.739299] Tainted: [W]=WARN
[   14.739317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.739364] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.739392] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.739475] RSP: 0018:ff5eafed002c3ca8 EFLAGS: 00010286
[   14.739496] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.739552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f300
[   14.739591] RBP: 0000000000000000 R08: ff156d864445e710 R09: ff156d8645d8a030
[   14.739642] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[   14.739693] R13: 0000000000000010 R14: ff156d8645d78000 R15: ff156d8642b5f300
[   14.739733] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.739780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.739808] CR2: 00007f98023e7bc0 CR3: 0000000004736006 CR4: 0000000000771ef0
[   14.739845] PKRU: 55555554
[   14.739866] Call Trace:
[   14.739883]  <TASK>
[   14.739897]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.739920]  register_netdevice (net/core/dev.c:11488)
[   14.739951]  register_netdev (net/core/dev.c:11552)
[   14.739974]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.740005]  ops_init (net/core/net_namespace.c:137)
[   14.740025]  setup_net (net/core/net_namespace.c:446)
[   14.740051]  copy_net_ns (net/core/net_namespace.c:579)
[   14.740080]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.740112]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.740154]  ksys_unshare (kernel/fork.c:3243)
[   14.740182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.740207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.740235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.740261] RIP: 0033:0x7f98023e7bcb
[   14.740287] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.740393] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.740446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.740497] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.740546] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.740604] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.740660] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.741077] ------------[ cut here ]------------
| [   14.741115] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/205
| [   14.741180] Modules linked in:
| [   14.741269] Tainted: [W]=WARN
[   14.741299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.741348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.741377] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.741507] RSP: 0018:ff5eafed0045fcb8 EFLAGS: 00010286
[   14.741539] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.741575] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   14.741629] RBP: 0000000000000000 R08: ff156d8641908cd0 R09: ff156d8645cb402c
[   14.741682] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[   14.741723] R13: 0000000000000010 R14: ff156d8644676000 R15: ff156d8641d86c00
[   14.741776] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.741835] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.741880] CR2: 00007f98023e7bc0 CR3: 0000000005cae001 CR4: 0000000000771ef0
[   14.741931] PKRU: 55555554
[   14.741955] Call Trace:
[   14.741966]  <TASK>
[   14.741986]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.742010]  register_netdevice (net/core/dev.c:11488)
[   14.742035]  register_netdev (net/core/dev.c:11552)
[   14.742065]  loopback_net_init (drivers/net/loopback.c:218)
[   14.742106]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   14.742137]  ops_init (net/core/net_namespace.c:137)
[   14.742166]  setup_net (net/core/net_namespace.c:446)
[   14.742195]  copy_net_ns (net/core/net_namespace.c:579)
[   14.742213]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.742241]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.742270]  ksys_unshare (kernel/fork.c:3243)
[   14.742292]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.742341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.742360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.742403] RIP: 0033:0x7f98023e7bcb
[   14.742425] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.742546] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.742601] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.742652] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.742696] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.742743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.742780] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.742925] ------------[ cut here ]------------
| [   14.742954] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/205
| [   14.743016] Modules linked in:
| [   14.743106] Tainted: [W]=WARN
[   14.743135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.743184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.743212] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.743329] RSP: 0018:ff5eafed0045fc10 EFLAGS: 00010286
[   14.743363] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.743407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234e00
[   14.743453] RBP: 0000000000000000 R08: ff156d8641908d90 R09: ff156d864467f030
[   14.743501] R10: ff156d8645cb4120 R11: fefefefefefefeff R12: 0000000000000000
[   14.743549] R13: 0000000000000010 R14: ff156d8645cb4000 R15: ff156d8643234e00
[   14.743601] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.743663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.743716] CR2: 00007f98023e7bc0 CR3: 0000000005cae001 CR4: 0000000000771ef0
[   14.743777] PKRU: 55555554
[   14.743790] Call Trace:
[   14.743807]  <TASK>
[   14.743829]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.743851]  register_netdevice (net/core/dev.c:11488)
[   14.743875]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.743894]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.743913]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   14.743939]  ops_init (net/core/net_namespace.c:137)
[   14.743959]  setup_net (net/core/net_namespace.c:446)
[   14.743981]  copy_net_ns (net/core/net_namespace.c:579)
[   14.744010]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.744053]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.744078]  ksys_unshare (kernel/fork.c:3243)
[   14.744100]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.744133]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.744164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.744200] RIP: 0033:0x7f98023e7bcb
[   14.744224] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.744304] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.744352] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.744403] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.744453] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.744493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.744539] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.744653] ------------[ cut here ]------------
| [   14.744685] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/205
| [   14.744743] Modules linked in:
| [   14.744827] Tainted: [W]=WARN
[   14.744846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.744887] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.744930] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.745033] RSP: 0018:ff5eafed0045fbf0 EFLAGS: 00010286
[   14.745058] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.745106] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fc00
[   14.745155] RBP: 0000000000000000 R08: ff156d8641944750 R09: ff156d8645d23830
[   14.745205] R10: ff156d8645cb2120 R11: fefefefefefefeff R12: 0000000000000000
[   14.745266] R13: 0000000000000010 R14: ff156d8645cb2000 R15: ff156d8642b5fc00
[   14.745327] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.745382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.745419] CR2: 00007f98023e7bc0 CR3: 0000000005cae001 CR4: 0000000000771ef0
[   14.745464] PKRU: 55555554
[   14.745477] Call Trace:
[   14.745488]  <TASK>
[   14.745498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.745527]  register_netdevice (net/core/dev.c:11488)
[   14.745547]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.745580]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.745603]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.745627]  ops_init (net/core/net_namespace.c:137)
[   14.745659]  setup_net (net/core/net_namespace.c:446)
[   14.745681]  copy_net_ns (net/core/net_namespace.c:579)
[   14.745712]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.745745]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.745785]  ksys_unshare (kernel/fork.c:3243)
[   14.745807]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.745825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.745858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.745888] RIP: 0033:0x7f98023e7bcb
[   14.745912] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.746066] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.746117] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.746157] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.746203] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.746259] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.746314] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.746463] ------------[ cut here ]------------
| [   14.746493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/205
| [   14.746550] Modules linked in:
| [   14.746635] Tainted: [W]=WARN
[   14.746659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.746697] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.746733] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.746842] RSP: 0018:ff5eafed0045fca8 EFLAGS: 00010286
[   14.746876] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.746918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   14.746966] RBP: 0000000000000000 R08: ff156d864445e3d0 R09: ff156d8645d42034
[   14.747022] R10: ff156d8645cb5120 R11: fefefefefefefeff R12: 0000000000000000
[   14.747075] R13: 0000000000000010 R14: ff156d8645cb5000 R15: ff156d8641d86c00
[   14.747125] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.747181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.747220] CR2: 00007f98023e7bc0 CR3: 0000000005cae001 CR4: 0000000000771ef0
[   14.747287] PKRU: 55555554
[   14.747299] Call Trace:
[   14.747313]  <TASK>
[   14.747334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.747352]  register_netdevice (net/core/dev.c:11488)
[   14.747374]  register_netdev (net/core/dev.c:11552)
[   14.747391]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.747420]  ops_init (net/core/net_namespace.c:137)
[   14.747443]  setup_net (net/core/net_namespace.c:446)
[   14.747473]  copy_net_ns (net/core/net_namespace.c:579)
[   14.747492]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.747515]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.747553]  ksys_unshare (kernel/fork.c:3243)
[   14.747574]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.747607]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.747635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.747671] RIP: 0033:0x7f98023e7bcb
[   14.747695] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.747807] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.747849] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.747901] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.747941] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.747986] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.748037] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.748163] ------------[ cut here ]------------
| [   14.748189] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/205
| [   14.748251] Modules linked in:
| [   14.748350] Tainted: [W]=WARN
[   14.748371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.748417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.748445] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.748565] RSP: 0018:ff5eafed0045fca0 EFLAGS: 00010286
[   14.748603] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.748662] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[   14.748706] RBP: 0000000000000000 R08: ff156d864445e790 R09: ff156d8645d2d030
[   14.748752] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[   14.748799] R13: 0000000000000010 R14: ff156d8645d42000 R15: ff156d86418f3200
[   14.748847] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.748895] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.748921] CR2: 00007f98023e7bc0 CR3: 0000000005cae001 CR4: 0000000000771ef0
[   14.748970] PKRU: 55555554
[   14.748983] Call Trace:
[   14.748994]  <TASK>
[   14.749007]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.749030]  register_netdevice (net/core/dev.c:11488)
[   14.749056]  register_netdev (net/core/dev.c:11552)
[   14.749085]  sit_init_net (net/ipv6/sit.c:1860)
[   14.749108]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   14.749143]  ops_init (net/core/net_namespace.c:137)
[   14.749167]  setup_net (net/core/net_namespace.c:446)
[   14.749188]  copy_net_ns (net/core/net_namespace.c:579)
[   14.749222]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.749263]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.749302]  ksys_unshare (kernel/fork.c:3243)
[   14.749321]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.749341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.749372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.749402] RIP: 0033:0x7f98023e7bcb
[   14.749418] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.749525] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.749569] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.749625] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.749678] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.749720] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.749765] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.749909] ------------[ cut here ]------------
| [   14.749937] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/205
| [   14.750002] Modules linked in:
| [   14.750090] Tainted: [W]=WARN
[   14.750106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.750157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.750195] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.750317] RSP: 0018:ff5eafed0045fca8 EFLAGS: 00010286
[   14.750347] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.750399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f300
[   14.750454] RBP: 0000000000000000 R08: ff156d8641908750 R09: ff156d8645cc8030
[   14.750510] R10: ff156d8645d2d120 R11: fefefefefefefeff R12: 0000000000000000
[   14.750549] R13: 0000000000000010 R14: ff156d8645d2d000 R15: ff156d8642b5f300
[   14.750604] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.750658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.750688] CR2: 00007f98023e7bc0 CR3: 0000000005cae001 CR4: 0000000000771ef0
[   14.750738] PKRU: 55555554
[   14.750753] Call Trace:
[   14.750766]  <TASK>
[   14.750791]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.750812]  register_netdevice (net/core/dev.c:11488)
[   14.750846]  register_netdev (net/core/dev.c:11552)
[   14.750865]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.750894]  ops_init (net/core/net_namespace.c:137)
[   14.750918]  setup_net (net/core/net_namespace.c:446)
[   14.750949]  copy_net_ns (net/core/net_namespace.c:579)
[   14.750980]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.751009]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.751043]  ksys_unshare (kernel/fork.c:3243)
[   14.751065]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.751089]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.751121]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.751153] RIP: 0033:0x7f98023e7bcb
[   14.751185] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.751286] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.751338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.751393] RDX: 00000000004064a0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.751439] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.751485] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.751521] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.751970] ------------[ cut here ]------------
| [   14.752011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/207
| [   14.752063] Modules linked in:
| [   14.752154] Tainted: [W]=WARN
[   14.752185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.752219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.752252] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.752377] RSP: 0018:ff5eafed00447cb8 EFLAGS: 00010286
[   14.752408] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.752459] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   14.752505] RBP: 0000000000000000 R08: ff156d8644433b10 R09: ff156d8645cf502c
[   14.752556] R10: ff156d8644686120 R11: fefefefefefefeff R12: 0000000000000000
[   14.752600] R13: 0000000000000010 R14: ff156d8644686000 R15: ff156d8641d86c00
[   14.752657] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.752691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.752729] CR2: 00007f98023e7bc0 CR3: 000000000194c003 CR4: 0000000000771ef0
[   14.752785] PKRU: 55555554
[   14.752810] Call Trace:
[   14.752825]  <TASK>
[   14.752849]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.752866]  register_netdevice (net/core/dev.c:11488)
[   14.752893]  register_netdev (net/core/dev.c:11552)
[   14.752910]  loopback_net_init (drivers/net/loopback.c:218)
[   14.752932]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   14.752958]  ops_init (net/core/net_namespace.c:137)
[   14.752989]  setup_net (net/core/net_namespace.c:446)
[   14.753018]  copy_net_ns (net/core/net_namespace.c:579)
[   14.753046]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.753069]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.753092]  ksys_unshare (kernel/fork.c:3243)
[   14.753111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.753130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.753158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.753188] RIP: 0033:0x7f98023e7bcb
[   14.753212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.753315] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.753371] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.753419] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.753459] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.753502] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.753533] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.753648] ------------[ cut here ]------------
| [   14.753679] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/207
| [   14.753732] Modules linked in:
| [   14.753822] Tainted: [W]=WARN
[   14.753848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.753895] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.753929] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.754036] RSP: 0018:ff5eafed00447c10 EFLAGS: 00010286
[   14.754076] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.754130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234e00
[   14.754184] RBP: 0000000000000000 R08: ff156d8644433b90 R09: ff156d8645d09830
[   14.754242] R10: ff156d8645cf5120 R11: fefefefefefefeff R12: 0000000000000000
[   14.754290] R13: 0000000000000010 R14: ff156d8645cf5000 R15: ff156d8643234e00
[   14.754330] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.754396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.754432] CR2: 00007f98023e7bc0 CR3: 000000000194c003 CR4: 0000000000771ef0
[   14.754483] PKRU: 55555554
[   14.754495] Call Trace:
[   14.754518]  <TASK>
[   14.754532]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.754558]  register_netdevice (net/core/dev.c:11488)
[   14.754584]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.754608]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.754644]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   14.754663]  ops_init (net/core/net_namespace.c:137)
[   14.754682]  setup_net (net/core/net_namespace.c:446)
[   14.754720]  copy_net_ns (net/core/net_namespace.c:579)
[   14.754739]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.754770]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.754815]  ksys_unshare (kernel/fork.c:3243)
[   14.754837]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.754875]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.754910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.754941] RIP: 0033:0x7f98023e7bcb
[   14.754969] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.755068] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.755112] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.755143] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.755198] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.755248] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.755289] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.755396] ------------[ cut here ]------------
| [   14.755431] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/207
| [   14.755493] Modules linked in:
| [   14.755594] Tainted: [W]=WARN
[   14.755618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.755654] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.755689] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.755817] RSP: 0018:ff5eafed00447bf0 EFLAGS: 00010286
[   14.755847] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.755896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fc00
[   14.755949] RBP: 0000000000000000 R08: ff156d8644433c10 R09: ff156d8645ceb830
[   14.756004] R10: ff156d8645cf4120 R11: fefefefefefefeff R12: 0000000000000000
[   14.756042] R13: 0000000000000010 R14: ff156d8645cf4000 R15: ff156d8642b5fc00
[   14.756094] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.756147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.756199] CR2: 00007f98023e7bc0 CR3: 000000000194c003 CR4: 0000000000771ef0
[   14.756244] PKRU: 55555554
[   14.756274] Call Trace:
[   14.756288]  <TASK>
[   14.756306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.756336]  register_netdevice (net/core/dev.c:11488)
[   14.756360]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.756393]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.756413]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.756442]  ops_init (net/core/net_namespace.c:137)
[   14.756463]  setup_net (net/core/net_namespace.c:446)
[   14.756492]  copy_net_ns (net/core/net_namespace.c:579)
[   14.756515]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.756548]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.756587]  ksys_unshare (kernel/fork.c:3243)
[   14.756611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.756643]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.756663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.756701] RIP: 0033:0x7f98023e7bcb
[   14.756723] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.756846] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.756886] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.756939] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.756994] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.757040] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.757093] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.757218] ------------[ cut here ]------------
| [   14.757257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/207
| [   14.757322] Modules linked in:
| [   14.757409] Tainted: [W]=WARN
[   14.757431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.757478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.757518] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.757638] RSP: 0018:ff5eafed00447ca8 EFLAGS: 00010286
[   14.757671] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.757715] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86c00
[   14.757768] RBP: 0000000000000000 R08: ff156d8644433cd0 R09: ff156d8645d17034
[   14.757814] R10: ff156d8641180120 R11: fefefefefefefeff R12: 0000000000000000
[   14.757870] R13: 0000000000000010 R14: ff156d8641180000 R15: ff156d8641d86c00
[   14.757925] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.757988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.758022] CR2: 00007f98023e7bc0 CR3: 000000000194c003 CR4: 0000000000771ef0
[   14.758077] PKRU: 55555554
[   14.758089] Call Trace:
[   14.758100]  <TASK>
[   14.758110]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.758129]  register_netdevice (net/core/dev.c:11488)
[   14.758153]  register_netdev (net/core/dev.c:11552)
[   14.758183]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.758202]  ops_init (net/core/net_namespace.c:137)
[   14.758221]  setup_net (net/core/net_namespace.c:446)
[   14.758247]  copy_net_ns (net/core/net_namespace.c:579)
[   14.758272]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.758308]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.758347]  ksys_unshare (kernel/fork.c:3243)
[   14.758367]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.758395]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.758417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.758440] RIP: 0033:0x7f98023e7bcb
[   14.758470] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.758601] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.758658] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.758699] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.758747] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.758787] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.758831] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.758950] ------------[ cut here ]------------
| [   14.758979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/207
| [   14.759042] Modules linked in:
| [   14.759128] Tainted: [W]=WARN
[   14.759150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.759193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.759223] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.759325] RSP: 0018:ff5eafed00447ca0 EFLAGS: 00010286
[   14.759352] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.759400] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[   14.759459] RBP: 0000000000000000 R08: ff156d864440bf50 R09: ff156d8644682030
[   14.759517] R10: ff156d8645d17120 R11: fefefefefefefeff R12: 0000000000000000
[   14.759565] R13: 0000000000000010 R14: ff156d8645d17000 R15: ff156d86418f3200
[   14.759629] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.759677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.759735] CR2: 00007f98023e7bc0 CR3: 000000000194c003 CR4: 0000000000771ef0
[   14.759797] PKRU: 55555554
[   14.759820] Call Trace:
[   14.759839]  <TASK>
[   14.759851]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.759869]  register_netdevice (net/core/dev.c:11488)
[   14.759889]  register_netdev (net/core/dev.c:11552)
[   14.759919]  sit_init_net (net/ipv6/sit.c:1860)
[   14.759942]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   14.759972]  ops_init (net/core/net_namespace.c:137)
[   14.759994]  setup_net (net/core/net_namespace.c:446)
[   14.760203]  copy_net_ns (net/core/net_namespace.c:579)
[   14.760230]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.760258]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.760291]  ksys_unshare (kernel/fork.c:3243)
[   14.760324]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.760343]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.760376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.760405] RIP: 0033:0x7f98023e7bcb
[   14.760424] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.760545] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.760585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.760635] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.760691] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.760756] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.760807] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.760949] ------------[ cut here ]------------
| [   14.760978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/207
| [   14.761051] Modules linked in:
| [   14.761137] Tainted: [W]=WARN
[   14.761158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.761188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.761218] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.761464] RSP: 0018:ff5eafed00447ca8 EFLAGS: 00010286
[   14.761491] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.761522] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f300
[   14.761573] RBP: 0000000000000000 R08: ff156d864442e150 R09: ff156d8645d9a030
[   14.761637] R10: ff156d8644682120 R11: fefefefefefefeff R12: 0000000000000000
[   14.761683] R13: 0000000000000010 R14: ff156d8644682000 R15: ff156d8642b5f300
[   14.761731] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   14.761781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.761821] CR2: 00007f98023e7bc0 CR3: 000000000194c003 CR4: 0000000000771ef0
[   14.761863] PKRU: 55555554
[   14.761883] Call Trace:
[   14.761895]  <TASK>
[   14.761910]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   14.761932]  register_netdevice (net/core/dev.c:11488)
[   14.761960]  register_netdev (net/core/dev.c:11552)
[   14.761986]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.762015]  ops_init (net/core/net_namespace.c:137)
[   14.762038]  setup_net (net/core/net_namespace.c:446)
[   14.762067]  copy_net_ns (net/core/net_namespace.c:579)
[   14.762098]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.762136]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.762163]  ksys_unshare (kernel/fork.c:3243)
[   14.762181]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.762217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.762241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.762267] RIP: 0033:0x7f98023e7bcb
[   14.762293] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.762402] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.762456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   14.762515] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   14.762568] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   14.762626] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   14.762680] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   14.768073] ------------[ cut here ]------------
| [   14.768143] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.768200] Modules linked in:
| [   14.768283] Tainted: [W]=WARN
[   14.768303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.768343] Workqueue: netns cleanup_net
[   14.768366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.768396] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.768489] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.768519] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.768559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.768601] RBP: 0000000000000000 R08: ff156d8641908750 R09: ff156d8641256030
[   14.768645] R10: ff156d8645d2d120 R11: fefefefefefefeff R12: 0000000000000000
[   14.768690] R13: 0000000000000011 R14: ff156d8645d2d000 R15: ff156d8641d67100
[   14.768734] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.768774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.768806] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.768850] PKRU: 55555554
[   14.768865] Call Trace:
[   14.768880]  <TASK>
[   14.768895]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.768922]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.768944]  cleanup_net (net/core/net_namespace.c:702)
[   14.768965]  process_one_work (kernel/workqueue.c:3314)
[   14.768985]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.769005]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.769036]  kthread (kernel/kthread.c:436)
[   14.769058]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.769079]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.769103]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.769124]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.769222] ------------[ cut here ]------------
| [   14.769250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.769311] Modules linked in:
| [   14.769389] Tainted: [W]=WARN
[   14.769412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.769448] Workqueue: netns cleanup_net
[   14.769470] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.769498] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.769601] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.769638] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.769681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.769722] RBP: 0000000000000000 R08: ff156d864445e790 R09: ff156d8645d21830
[   14.769764] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[   14.769802] R13: 0000000000000011 R14: ff156d8645d42000 R15: ff156d8641d67100
[   14.769843] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.769881] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.769916] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.769959] PKRU: 55555554
[   14.769972] Call Trace:
[   14.769988]  <TASK>
[   14.770002]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.770037]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.770061]  cleanup_net (net/core/net_namespace.c:702)
[   14.770083]  process_one_work (kernel/workqueue.c:3314)
[   14.770106]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.770127]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.770147]  kthread (kernel/kthread.c:436)
[   14.770174]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.770196]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.770219]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.770243]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.770338] ------------[ cut here ]------------
| [   14.770364] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.770417] Modules linked in:
| [   14.770492] Tainted: [W]=WARN
[   14.770510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.770544] Workqueue: netns cleanup_net
[   14.770567] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.770595] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.770695] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.770724] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.770766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.770808] RBP: 0000000000000000 R08: ff156d864445e3d0 R09: ff156d8645d24834
[   14.770847] R10: ff156d8645cb5120 R11: fefefefefefefeff R12: 0000000000000000
[   14.770888] R13: 0000000000000011 R14: ff156d8645cb5000 R15: ff156d8641d67100
[   14.770932] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.770975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.771002] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.771045] PKRU: 55555554
[   14.771057] Call Trace:
[   14.771069]  <TASK>
[   14.771084]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.771114]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.771137]  cleanup_net (net/core/net_namespace.c:702)
[   14.771158]  process_one_work (kernel/workqueue.c:3314)
[   14.771180]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.771204]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.771229]  kthread (kernel/kthread.c:436)
[   14.771253]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.771272]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.771295]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.771315]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.771403] ------------[ cut here ]------------
| [   14.771466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.771524] Modules linked in:
| [   14.771608] Tainted: [W]=WARN
[   14.771642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.771676] Workqueue: netns cleanup_net
[   14.771702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.771728] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.771819] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.771847] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.771888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.771929] RBP: 0000000000000000 R08: ff156d8641944750 R09: ff156d864467b830
[   14.771972] R10: ff156d8645cb2120 R11: fefefefefefefeff R12: 0000000000000000
[   14.772015] R13: 0000000000000011 R14: ff156d8645cb2000 R15: ff156d8641d67100
[   14.772059] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.772106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.772137] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.772177] PKRU: 55555554
[   14.772191] Call Trace:
[   14.772205]  <TASK>
[   14.772217]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.772247]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.772270]  cleanup_net (net/core/net_namespace.c:702)
[   14.772292]  process_one_work (kernel/workqueue.c:3314)
[   14.772314]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.772336]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.772356]  kthread (kernel/kthread.c:436)
[   14.772378]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.772401]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.772423]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.772441]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.772527] ------------[ cut here ]------------
| [   14.772556] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.772608] Modules linked in:
| [   14.772687] Tainted: [W]=WARN
[   14.772708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.772738] Workqueue: netns cleanup_net
[   14.772762] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.772790] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.772885] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.772916] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.772957] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.773002] RBP: 0000000000000000 R08: ff156d8641908d90 R09: ff156d864467d830
[   14.773049] R10: ff156d8645cb4120 R11: fefefefefefefeff R12: 0000000000000000
[   14.773086] R13: 0000000000000011 R14: ff156d8645cb4000 R15: ff156d8641d67100
[   14.773139] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.773181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.773214] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.773258] PKRU: 55555554
[   14.773273] Call Trace:
[   14.773287]  <TASK>
[   14.773300]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.773328]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.773351]  cleanup_net (net/core/net_namespace.c:702)
[   14.773371]  process_one_work (kernel/workqueue.c:3314)
[   14.773392]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.773411]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.773431]  kthread (kernel/kthread.c:436)
[   14.773452]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.773475]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.773498]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.773520]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.773611] ------------[ cut here ]------------
| [   14.773643] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.773695] Modules linked in:
| [   14.773772] Tainted: [W]=WARN
[   14.773792] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.773826] Workqueue: netns cleanup_net
[   14.773848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.773882] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.773981] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.774010] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.774054] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.774095] RBP: 0000000000000000 R08: ff156d864445e710 R09: ff156d8645cef030
[   14.774138] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[   14.774181] R13: 0000000000000011 R14: ff156d8645d78000 R15: ff156d8641d67100
[   14.774221] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.774258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.774289] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.774329] PKRU: 55555554
[   14.774342] Call Trace:
[   14.774357]  <TASK>
[   14.774372]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.774401]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.774424]  cleanup_net (net/core/net_namespace.c:702)
[   14.774446]  process_one_work (kernel/workqueue.c:3314)
[   14.774468]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.774487]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.774509]  kthread (kernel/kthread.c:436)
[   14.774530]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.774550]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.774577]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.774600]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.774699] ------------[ cut here ]------------
| [   14.774726] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.774775] Modules linked in:
| [   14.774851] Tainted: [W]=WARN
[   14.774871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.774902] Workqueue: netns cleanup_net
[   14.774920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.774949] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.775050] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.775080] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.775119] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.775161] RBP: 0000000000000000 R08: ff156d86444e1310 R09: ff156d8645d35830
[   14.775203] R10: ff156d8645d2b120 R11: fefefefefefefeff R12: 0000000000000000
[   14.775245] R13: 0000000000000011 R14: ff156d8645d2b000 R15: ff156d8641d67100
[   14.775292] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.775338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.775374] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.775416] PKRU: 55555554
[   14.775431] Call Trace:
[   14.775444]  <TASK>
[   14.775458]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.775487]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.775508]  cleanup_net (net/core/net_namespace.c:702)
[   14.775529]  process_one_work (kernel/workqueue.c:3314)
[   14.775550]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.775570]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.775590]  kthread (kernel/kthread.c:436)
[   14.775611]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.775634]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.775655]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.775676]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.775767] ------------[ cut here ]------------
| [   14.775795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.775850] Modules linked in:
| [   14.775928] Tainted: [W]=WARN
[   14.775950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.775985] Workqueue: netns cleanup_net
[   14.776005] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.776037] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.776133] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.776161] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.776202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.776249] RBP: 0000000000000000 R08: ff156d864440bad0 R09: ff156d8645d0d834
[   14.776286] R10: ff156d8644681120 R11: fefefefefefefeff R12: 0000000000000000
[   14.776325] R13: 0000000000000011 R14: ff156d8644681000 R15: ff156d8641d67100
[   14.776367] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.776413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.776442] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.776488] PKRU: 55555554
[   14.776501] Call Trace:
[   14.776511]  <TASK>
[   14.776527]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.776559]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.776580]  cleanup_net (net/core/net_namespace.c:702)
[   14.776598]  process_one_work (kernel/workqueue.c:3314)
[   14.776619]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.776641]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.776663]  kthread (kernel/kthread.c:436)
[   14.776685]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.776705]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.776726]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.776749]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.776842] ------------[ cut here ]------------
| [   14.776869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.776925] Modules linked in:
| [   14.777007] Tainted: [W]=WARN
[   14.777029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.777066] Workqueue: netns cleanup_net
[   14.777087] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.777114] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.777214] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.777239] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.777278] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.777319] RBP: 0000000000000000 R08: ff156d8641908a10 R09: ff156d86432eb030
[   14.777364] R10: ff156d8643179120 R11: fefefefefefefeff R12: 0000000000000000
[   14.777407] R13: 0000000000000011 R14: ff156d8643179000 R15: ff156d8641d67100
[   14.777451] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.777493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.777531] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.777575] PKRU: 55555554
[   14.777588] Call Trace:
[   14.777603]  <TASK>
[   14.777614]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.777647]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.777672]  cleanup_net (net/core/net_namespace.c:702)
[   14.777695]  process_one_work (kernel/workqueue.c:3314)
[   14.777719]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.777740]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.777760]  kthread (kernel/kthread.c:436)
[   14.777781]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.777801]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.777822]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.777845]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.777938] ------------[ cut here ]------------
| [   14.777963] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.778022] Modules linked in:
| [   14.778100] Tainted: [W]=WARN
[   14.778119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.778155] Workqueue: netns cleanup_net
[   14.778173] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.778200] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.778299] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.778326] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.778369] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.778413] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d8645d82830
[   14.778454] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   14.778495] R13: 0000000000000011 R14: ff156d864200f000 R15: ff156d8641d67100
[   14.778538] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.778579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.778615] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.778663] PKRU: 55555554
[   14.778676] Call Trace:
[   14.778691]  <TASK>
[   14.778705]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.778733]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.778755]  cleanup_net (net/core/net_namespace.c:702)
[   14.778773]  process_one_work (kernel/workqueue.c:3314)
[   14.778792]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.778812]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.778832]  kthread (kernel/kthread.c:436)
[   14.778852]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.778875]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.778897]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.778918]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.779013] ------------[ cut here ]------------
| [   14.779041] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.779096] Modules linked in:
| [   14.779170] Tainted: [W]=WARN
[   14.779188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.779220] Workqueue: netns cleanup_net
[   14.779244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.779271] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.779365] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.779393] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.779435] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.779478] RBP: 0000000000000000 R08: ff156d864191e3d0 R09: ff156d8645d63030
[   14.779518] R10: ff156d8644672120 R11: fefefefefefefeff R12: 0000000000000000
[   14.779560] R13: 0000000000000011 R14: ff156d8644672000 R15: ff156d8641d67100
[   14.779609] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.779657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.779693] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.779738] PKRU: 55555554
[   14.779754] Call Trace:
[   14.779771]  <TASK>
[   14.779786]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.779811]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.779831]  cleanup_net (net/core/net_namespace.c:702)
[   14.779852]  process_one_work (kernel/workqueue.c:3314)
[   14.779873]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.779894]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.779914]  kthread (kernel/kthread.c:436)
[   14.779934]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.779957]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.779980]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.780002]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.780099] ------------[ cut here ]------------
| [   14.780125] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.780180] Modules linked in:
| [   14.780260] Tainted: [W]=WARN
[   14.780286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.780329] Workqueue: netns cleanup_net
[   14.780351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.780380] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.780475] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.780503] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.780543] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.780589] RBP: 0000000000000000 R08: ff156d864191e350 R09: ff156d86430f6030
[   14.780638] R10: ff156d8645cf7120 R11: fefefefefefefeff R12: 0000000000000000
[   14.780681] R13: 0000000000000011 R14: ff156d8645cf7000 R15: ff156d8641d67100
[   14.780729] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.780773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.780806] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.780844] PKRU: 55555554
[   14.780856] Call Trace:
[   14.780871]  <TASK>
[   14.780886]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.780917]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.780939]  cleanup_net (net/core/net_namespace.c:702)
[   14.780962]  process_one_work (kernel/workqueue.c:3314)
[   14.780983]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.781009]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.781033]  kthread (kernel/kthread.c:436)
[   14.781056]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.781079]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.781100]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.781121]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.781216] ------------[ cut here ]------------
| [   14.781242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.781294] Modules linked in:
| [   14.781375] Tainted: [W]=WARN
[   14.781397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.781429] Workqueue: netns cleanup_net
[   14.781451] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.781477] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.781573] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.781605] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.781659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.781706] RBP: 0000000000000000 R08: ff156d864193efd0 R09: ff156d8645d83834
[   14.781749] R10: ff156d8645d6e120 R11: fefefefefefefeff R12: 0000000000000000
[   14.781790] R13: 0000000000000011 R14: ff156d8645d6e000 R15: ff156d8641d67100
[   14.781836] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.781877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.781911] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.781949] PKRU: 55555554
[   14.781963] Call Trace:
[   14.781977]  <TASK>
[   14.781991]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.782023]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.782044]  cleanup_net (net/core/net_namespace.c:702)
[   14.782069]  process_one_work (kernel/workqueue.c:3314)
[   14.782088]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.782107]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.782127]  kthread (kernel/kthread.c:436)
[   14.782149]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.782172]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.782194]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.782212]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.782302] ------------[ cut here ]------------
| [   14.782329] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.782380] Modules linked in:
| [   14.782457] Tainted: [W]=WARN
[   14.782478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.782514] Workqueue: netns cleanup_net
[   14.782536] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.782563] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.782664] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.782693] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.782742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.782789] RBP: 0000000000000000 R08: ff156d8641926590 R09: ff156d8645d63830
[   14.782832] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   14.782878] R13: 0000000000000011 R14: ff156d8645d14000 R15: ff156d8641d67100
[   14.782919] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.782967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.783004] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.783048] PKRU: 55555554
[   14.783062] Call Trace:
[   14.783075]  <TASK>
[   14.783090]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.783120]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.783141]  cleanup_net (net/core/net_namespace.c:702)
[   14.783162]  process_one_work (kernel/workqueue.c:3314)
[   14.783184]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.783207]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.783232]  kthread (kernel/kthread.c:436)
[   14.783255]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.783280]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.783302]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.783322]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.783415] ------------[ cut here ]------------
| [   14.783446] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.783504] Modules linked in:
| [   14.783584] Tainted: [W]=WARN
[   14.783607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.783642] Workqueue: netns cleanup_net
[   14.783666] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.783700] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.783798] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.783828] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.783871] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.783913] RBP: 0000000000000000 R08: ff156d864197e3d0 R09: ff156d8645d4e030
[   14.783953] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[   14.783993] R13: 0000000000000011 R14: ff156d8645d7e000 R15: ff156d8641d67100
[   14.784040] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.784083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.784114] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.784157] PKRU: 55555554
[   14.784170] Call Trace:
[   14.784184]  <TASK>
[   14.784199]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.784227]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.784245]  cleanup_net (net/core/net_namespace.c:702)
[   14.784265]  process_one_work (kernel/workqueue.c:3314)
[   14.784286]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.784304]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.784323]  kthread (kernel/kthread.c:436)
[   14.784343]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.784367]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.784388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.784406]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.784502] ------------[ cut here ]------------
| [   14.784535] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.784595] Modules linked in:
| [   14.784687] Tainted: [W]=WARN
[   14.784706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.784743] Workqueue: netns cleanup_net
[   14.784766] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.784798] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.784898] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.784925] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.784968] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.785011] RBP: 0000000000000000 R08: ff156d864445ead0 R09: ff156d8645d1b030
[   14.785053] R10: ff156d8644683120 R11: fefefefefefefeff R12: 0000000000000000
[   14.785097] R13: 0000000000000011 R14: ff156d8644683000 R15: ff156d8641d67100
[   14.785140] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.785183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.785219] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.785263] PKRU: 55555554
[   14.785278] Call Trace:
[   14.785293]  <TASK>
[   14.785305]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.785333]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.785353]  cleanup_net (net/core/net_namespace.c:702)
[   14.785374]  process_one_work (kernel/workqueue.c:3314)
[   14.785394]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.785412]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.785436]  kthread (kernel/kthread.c:436)
[   14.785457]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.785479]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.785501]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.785524]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.785627] ------------[ cut here ]------------
| [   14.785654] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.785703] Modules linked in:
| [   14.785777] Tainted: [W]=WARN
[   14.785798] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.785838] Workqueue: netns cleanup_net
[   14.785860] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.785888] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.785981] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.786005] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.786047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.786089] RBP: 0000000000000000 R08: ff156d8641926910 R09: ff156d8645cfe030
[   14.786128] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   14.786166] R13: 0000000000000011 R14: ff156d8645d29000 R15: ff156d8641d67100
[   14.786211] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.786252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.786280] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.786336] PKRU: 55555554
[   14.786349] Call Trace:
[   14.786364]  <TASK>
[   14.786377]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.786403]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.786421]  cleanup_net (net/core/net_namespace.c:702)
[   14.786441]  process_one_work (kernel/workqueue.c:3314)
[   14.786462]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.786482]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.786506]  kthread (kernel/kthread.c:436)
[   14.786529]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.786553]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.786574]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.786599]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.786698] ------------[ cut here ]------------
| [   14.786725] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.786777] Modules linked in:
| [   14.786854] Tainted: [W]=WARN
[   14.786875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.786906] Workqueue: netns cleanup_net
[   14.786927] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.786956] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.787061] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.787090] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.787133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.787175] RBP: 0000000000000000 R08: ff156d8641908990 R09: ff156d8645cfa034
[   14.787218] R10: ff156d8645d6f120 R11: fefefefefefefeff R12: 0000000000000000
[   14.787261] R13: 0000000000000011 R14: ff156d8645d6f000 R15: ff156d8641d67100
[   14.787303] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.787342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.787376] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.787419] PKRU: 55555554
[   14.787431] Call Trace:
[   14.787445]  <TASK>
[   14.787460]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.787486]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.787511]  cleanup_net (net/core/net_namespace.c:702)
[   14.787532]  process_one_work (kernel/workqueue.c:3314)
[   14.787553]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.787574]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.787593]  kthread (kernel/kthread.c:436)
[   14.787614]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.787643]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.787664]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.787683]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.787769] ------------[ cut here ]------------
| [   14.787795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.787849] Modules linked in:
| [   14.787925] Tainted: [W]=WARN
[   14.787945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.787980] Workqueue: netns cleanup_net
[   14.788001] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.788029] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.788122] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.788147] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.788187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.788228] RBP: 0000000000000000 R08: ff156d8642ba0110 R09: ff156d86432df030
[   14.788272] R10: ff156d8645d68120 R11: fefefefefefefeff R12: 0000000000000000
[   14.788315] R13: 0000000000000011 R14: ff156d8645d68000 R15: ff156d8641d67100
[   14.788358] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.788409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.788443] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.788485] PKRU: 55555554
[   14.788499] Call Trace:
[   14.788514]  <TASK>
[   14.788526]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.788556]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.788576]  cleanup_net (net/core/net_namespace.c:702)
[   14.788598]  process_one_work (kernel/workqueue.c:3314)
[   14.788620]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.788648]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.788668]  kthread (kernel/kthread.c:436)
[   14.788688]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.788709]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.788731]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.788753]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.788839] ------------[ cut here ]------------
| [   14.788865] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.788908] Modules linked in:
| [   14.788994] Tainted: [W]=WARN
[   14.789018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.789053] Workqueue: netns cleanup_net
[   14.789076] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.789104] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.789203] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   14.789232] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.789275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.789320] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645d56030
[   14.789361] R10: ff156d8645cb6120 R11: fefefefefefefeff R12: 0000000000000000
[   14.789402] R13: 0000000000000011 R14: ff156d8645cb6000 R15: ff156d8641d67100
[   14.789446] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.789487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.789525] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.789574] PKRU: 55555554
[   14.789588] Call Trace:
[   14.789603]  <TASK>
[   14.789616]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.789649]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.789670]  cleanup_net (net/core/net_namespace.c:702)
[   14.789689]  process_one_work (kernel/workqueue.c:3314)
[   14.789709]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.789730]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.789752]  kthread (kernel/kthread.c:436)
[   14.789775]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.789801]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.789825]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.789849]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.799105] ------------[ cut here ]------------
| [   14.799170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.799223] Modules linked in:
| [   14.799298] Tainted: [W]=WARN
[   14.799324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.799364] Workqueue: netns cleanup_net
[   14.799390] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.799421] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.799521] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   14.799550] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.799593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.799638] RBP: 0000000000000000 R08: ff156d8641908cd0 R09: ff156d8645d4982c
[   14.799686] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[   14.799721] R13: 0000000000000011 R14: ff156d8644676000 R15: ff156d8641d67100
[   14.799760] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.799804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.799840] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.799886] PKRU: 55555554
[   14.799900] Call Trace:
[   14.799917]  <TASK>
[   14.799931]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.799962]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.799990]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.800014]  cleanup_net (net/core/net_namespace.c:702)
[   14.800035]  process_one_work (kernel/workqueue.c:3314)
[   14.800059]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.800082]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.800104]  kthread (kernel/kthread.c:436)
[   14.800126]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.800147]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.800173]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.800195]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.800286] ------------[ cut here ]------------
| [   14.800315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.800370] Modules linked in:
| [   14.800455] Tainted: [W]=WARN
[   14.800476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.800522] Workqueue: netns cleanup_net
[   14.800545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.800572] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.800675] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   14.800705] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.800752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.800791] RBP: 0000000000000000 R08: ff156d8642b53950 R09: ff156d8645d8002c
[   14.800834] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[   14.800874] R13: 0000000000000011 R14: ff156d8645d28000 R15: ff156d8641d67100
[   14.800916] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.800960] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.800994] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.801043] PKRU: 55555554
[   14.801058] Call Trace:
[   14.801073]  <TASK>
[   14.801089]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.801120]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.801154]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.801176]  cleanup_net (net/core/net_namespace.c:702)
[   14.801198]  process_one_work (kernel/workqueue.c:3314)
[   14.801225]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.801248]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.801271]  kthread (kernel/kthread.c:436)
[   14.801291]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.801337]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.801359]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.801381]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.801473] ------------[ cut here ]------------
| [   14.801499] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.801544] Modules linked in:
| [   14.801634] Tainted: [W]=WARN
[   14.801656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.801696] Workqueue: netns cleanup_net
[   14.801719] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.801743] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.801845] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   14.801872] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.801914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.801957] RBP: 0000000000000000 R08: ff156d864191e410 R09: ff156d8645d6582c
[   14.802002] R10: ff156d8645d6c120 R11: fefefefefefefeff R12: 0000000000000000
[   14.802044] R13: 0000000000000011 R14: ff156d8645d6c000 R15: ff156d8641d67100
[   14.802089] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.802133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.802169] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.802212] PKRU: 55555554
[   14.802224] Call Trace:
[   14.802241]  <TASK>
[   14.802255]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.802289]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.802316]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.802337]  cleanup_net (net/core/net_namespace.c:702)
[   14.802359]  process_one_work (kernel/workqueue.c:3314)
[   14.802379]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.802402]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.802422]  kthread (kernel/kthread.c:436)
[   14.802446]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.802468]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.802487]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.802507]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.802601] ------------[ cut here ]------------
| [   14.802638] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   14.802694] Modules linked in:
| [   14.802769] Tainted: [W]=WARN
[   14.802790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.802821] Workqueue: netns cleanup_net
[   14.802841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.802869] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.802966] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   14.802991] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   14.803036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   14.803076] RBP: 0000000000000000 R08: ff156d86430808d0 R09: ff156d8645cf982c
[   14.803118] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   14.803160] R13: 0000000000000011 R14: ff156d8645cf1000 R15: ff156d8641d67100
[   14.803205] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   14.803245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.803280] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   14.803322] PKRU: 55555554
[   14.803335] Call Trace:
[   14.803346]  <TASK>
[   14.803361]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.803389]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.803417]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.803439]  cleanup_net (net/core/net_namespace.c:702)
[   14.803462]  process_one_work (kernel/workqueue.c:3314)
[   14.803482]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.803503]  ? rescuer_thread (kernel/workqueue.c:3672)
[   14.803523]  kthread (kernel/kthread.c:436)
[   14.803541]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.803562]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.803586]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   14.803610]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.763075] ------------[ cut here ]------------
| [   15.763190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   15.763286] Modules linked in:
| [   15.763390] Tainted: [W]=WARN
[   15.763411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.763464] Workqueue: netns cleanup_net
[   15.763499] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.763544] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.763649] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   15.763688] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.763745] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   15.763791] RBP: 0000000000000000 R08: ff156d864442e150 R09: ff156d86430f4830
[   15.763837] R10: ff156d8644682120 R11: fefefefefefefeff R12: 0000000000000000
[   15.763904] R13: 0000000000000011 R14: ff156d8644682000 R15: ff156d8641d67100
[   15.763941] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   15.763996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.764031] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   15.764088] PKRU: 55555554
[   15.764105] Call Trace:
[   15.764120]  <TASK>
[   15.764135]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.764180]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.764205]  cleanup_net (net/core/net_namespace.c:702)
[   15.764232]  process_one_work (kernel/workqueue.c:3314)
[   15.764258]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.764279]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.764306]  kthread (kernel/kthread.c:436)
[   15.764332]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.764363]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.764388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.764424]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.764540] ------------[ cut here ]------------
| [   15.764583] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   15.764646] Modules linked in:
| [   15.764723] Tainted: [W]=WARN
[   15.764745] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.764792] Workqueue: netns cleanup_net
[   15.764812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.764836] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.764968] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   15.764990] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.765040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   15.765083] RBP: 0000000000000000 R08: ff156d864440bf50 R09: ff156d8645cc4030
[   15.765135] R10: ff156d8645d17120 R11: fefefefefefefeff R12: 0000000000000000
[   15.765168] R13: 0000000000000011 R14: ff156d8645d17000 R15: ff156d8641d67100
[   15.765214] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   15.765260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.765306] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   15.765352] PKRU: 55555554
[   15.765366] Call Trace:
[   15.765382]  <TASK>
[   15.765402]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.765437]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.765458]  cleanup_net (net/core/net_namespace.c:702)
[   15.765491]  process_one_work (kernel/workqueue.c:3314)
[   15.765516]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.765543]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.765567]  kthread (kernel/kthread.c:436)
[   15.765589]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.765622]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.765647]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.765679]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.765796] ------------[ cut here ]------------
| [   15.765827] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   15.765872] Modules linked in:
| [   15.765964] Tainted: [W]=WARN
[   15.765983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.766030] Workqueue: netns cleanup_net
[   15.766053] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.766088] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.766204] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   15.766237] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.766285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   15.766344] RBP: 0000000000000000 R08: ff156d8644433cd0 R09: ff156d8645cea834
[   15.766394] R10: ff156d8641180120 R11: fefefefefefefeff R12: 0000000000000000
[   15.766452] R13: 0000000000000011 R14: ff156d8641180000 R15: ff156d8641d67100
[   15.766501] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   15.766548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.766606] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   15.766672] PKRU: 55555554
[   15.766686] Call Trace:
[   15.766702]  <TASK>
[   15.766723]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.766746]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.766777]  cleanup_net (net/core/net_namespace.c:702)
[   15.766797]  process_one_work (kernel/workqueue.c:3314)
[   15.766824]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.766854]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.766875]  kthread (kernel/kthread.c:436)
[   15.766895]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.766935]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.766956]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.766978]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.767094] ------------[ cut here ]------------
| [   15.767122] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   15.767192] Modules linked in:
| [   15.767289] Tainted: [W]=WARN
[   15.767316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.767346] Workqueue: netns cleanup_net
[   15.767381] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.767410] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.767530] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   15.767571] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.767644] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   15.767683] RBP: 0000000000000000 R08: ff156d8644433c10 R09: ff156d8645d0d030
[   15.767730] R10: ff156d8645cf4120 R11: fefefefefefefeff R12: 0000000000000000
[   15.767775] R13: 0000000000000011 R14: ff156d8645cf4000 R15: ff156d8641d67100
[   15.767835] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   15.767885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.767926] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   15.767976] PKRU: 55555554
[   15.768005] Call Trace:
[   15.768029]  <TASK>
[   15.768047]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.768079]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.768098]  cleanup_net (net/core/net_namespace.c:702)
[   15.768127]  process_one_work (kernel/workqueue.c:3314)
[   15.768164]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.768190]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.768224]  kthread (kernel/kthread.c:436)
[   15.768244]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.768274]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.768297]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.768318]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.768424] ------------[ cut here ]------------
| [   15.768460] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   15.768523] Modules linked in:
| [   15.768612] Tainted: [W]=WARN
[   15.768641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.768677] Workqueue: netns cleanup_net
[   15.768701] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.768738] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.768861] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   15.768901] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.768945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   15.768989] RBP: 0000000000000000 R08: ff156d8644433b90 R09: ff156d86413d0030
[   15.769044] R10: ff156d8645cf5120 R11: fefefefefefefeff R12: 0000000000000000
[   15.769089] R13: 0000000000000011 R14: ff156d8645cf5000 R15: ff156d8641d67100
[   15.769136] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   15.769190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.769224] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   15.769279] PKRU: 55555554
[   15.769300] Call Trace:
[   15.769314]  <TASK>
[   15.769333]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.769366]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.769385]  cleanup_net (net/core/net_namespace.c:702)
[   15.769416]  process_one_work (kernel/workqueue.c:3314)
[   15.769438]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.769486]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.769507]  kthread (kernel/kthread.c:436)
[   15.769538]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.769557]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.769593]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.769613]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.773944] ------------[ cut here ]------------
| [   15.773984] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/209
| [   15.774047] Modules linked in:
| [   15.774128] Tainted: [W]=WARN
[   15.774149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.774188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.774223] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.774321] RSP: 0018:ff5eafed00457cb8 EFLAGS: 00010286
[   15.774354] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.774399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   15.774441] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645d4202c
[   15.774479] R10: ff156d8645cb4120 R11: fefefefefefefeff R12: 0000000000000000
[   15.774520] R13: 0000000000000010 R14: ff156d8645cb4000 R15: ff156d86418f3c00
[   15.774569] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   15.774617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.774657] CR2: 00007f98023e7bc0 CR3: 0000000005cae003 CR4: 0000000000771ef0
[   15.774699] PKRU: 55555554
[   15.774713] Call Trace:
[   15.774730]  <TASK>
[   15.774744]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.774766]  register_netdevice (net/core/dev.c:11488)
[   15.774790]  register_netdev (net/core/dev.c:11552)
[   15.774814]  loopback_net_init (drivers/net/loopback.c:218)
[   15.774838]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   15.774869]  ops_init (net/core/net_namespace.c:137)
[   15.774892]  setup_net (net/core/net_namespace.c:446)
[   15.774914]  copy_net_ns (net/core/net_namespace.c:579)
[   15.774937]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.774970]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.775000]  ksys_unshare (kernel/fork.c:3243)
[   15.775022]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.775047]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.775067]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.775098] RIP: 0033:0x7f98023e7bcb
[   15.775119] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.775214] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.775263] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   15.775310] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   15.775350] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   15.775385] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   15.775429] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   15.775561] ------------[ cut here ]------------
| [   15.775591] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/209
| [   15.775649] Modules linked in:
| [   15.775728] Tainted: [W]=WARN
[   15.775752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.775784] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.775815] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.775915] RSP: 0018:ff5eafed00457c10 EFLAGS: 00010286
[   15.775943] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.775985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fe00
[   15.776042] RBP: 0000000000000000 R08: ff156d864449b050 R09: ff156d8645cff030
[   15.776086] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[   15.776127] R13: 0000000000000010 R14: ff156d8645d42000 R15: ff156d864326fe00
[   15.776172] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   15.776213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.776250] CR2: 00007f98023e7bc0 CR3: 0000000005cae003 CR4: 0000000000771ef0
[   15.776298] PKRU: 55555554
[   15.776314] Call Trace:
[   15.776328]  <TASK>
[   15.776342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.776365]  register_netdevice (net/core/dev.c:11488)
[   15.776387]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.776412]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.776433]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   15.776455]  ops_init (net/core/net_namespace.c:137)
[   15.776477]  setup_net (net/core/net_namespace.c:446)
[   15.776499]  copy_net_ns (net/core/net_namespace.c:579)
[   15.776520]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.776548]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.776578]  ksys_unshare (kernel/fork.c:3243)
[   15.776599]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.776620]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.776645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.776677] RIP: 0033:0x7f98023e7bcb
[   15.776702] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.776795] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.776842] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   15.776889] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   15.776929] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   15.776977] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   15.777023] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   15.777141] ------------[ cut here ]------------
| [   15.777173] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/209
| [   15.777222] Modules linked in:
| [   15.777300] Tainted: [W]=WARN
[   15.777319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.777356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.777387] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.777488] RSP: 0018:ff5eafed00457bf0 EFLAGS: 00010286
[   15.777518] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.777560] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59500
[   15.777603] RBP: 0000000000000000 R08: ff156d8643080950 R09: ff156d8645d26030
[   15.777657] R10: ff156d8645d2d120 R11: fefefefefefefeff R12: 0000000000000000
[   15.777698] R13: 0000000000000010 R14: ff156d8645d2d000 R15: ff156d8641d59500
[   15.777743] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   15.777787] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.777823] CR2: 00007f98023e7bc0 CR3: 0000000005cae003 CR4: 0000000000771ef0
[   15.777865] PKRU: 55555554
[   15.777878] Call Trace:
[   15.777896]  <TASK>
[   15.777909]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.777932]  register_netdevice (net/core/dev.c:11488)
[   15.777954]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   15.777975]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   15.777997]  vti_init_net (net/ipv4/ip_vti.c:517)
[   15.778020]  ops_init (net/core/net_namespace.c:137)
[   15.778043]  setup_net (net/core/net_namespace.c:446)
[   15.778065]  copy_net_ns (net/core/net_namespace.c:579)
[   15.778085]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.778112]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.778142]  ksys_unshare (kernel/fork.c:3243)
[   15.778164]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.778187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.778209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.778241] RIP: 0033:0x7f98023e7bcb
[   15.778259] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.778351] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.778394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   15.778440] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   15.778476] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   15.778522] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   15.778562] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   15.778683] ------------[ cut here ]------------
| [   15.778711] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/209
| [   15.778757] Modules linked in:
| [   15.778837] Tainted: [W]=WARN
[   15.778857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.778893] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.778924] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.779016] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   15.779051] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.779092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59800
[   15.779136] RBP: 0000000000000000 R08: ff156d8643080510 R09: ff156d8645cb3034
[   15.779174] R10: ff156d8645ccf120 R11: fefefefefefefeff R12: 0000000000000000
[   15.779218] R13: 0000000000000010 R14: ff156d8645ccf000 R15: ff156d8641d59800
[   15.779259] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   15.779297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.779331] CR2: 00007f98023e7bc0 CR3: 0000000005cae003 CR4: 0000000000771ef0
[   15.779371] PKRU: 55555554
[   15.779384] Call Trace:
[   15.779394]  <TASK>
[   15.779411]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.779435]  register_netdevice (net/core/dev.c:11488)
[   15.779457]  register_netdev (net/core/dev.c:11552)
[   15.779481]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   15.779503]  ops_init (net/core/net_namespace.c:137)
[   15.779524]  setup_net (net/core/net_namespace.c:446)
[   15.779545]  copy_net_ns (net/core/net_namespace.c:579)
[   15.779568]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.779594]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.779623]  ksys_unshare (kernel/fork.c:3243)
[   15.779650]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.779670]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.779691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.779720] RIP: 0033:0x7f98023e7bcb
[   15.779742] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.779833] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.779873] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   15.779915] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   15.779957] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   15.779998] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   15.780045] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   15.780157] ------------[ cut here ]------------
| [   15.780184] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/209
| [   15.780227] Modules linked in:
| [   15.780310] Tainted: [W]=WARN
[   15.780331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.780367] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.780394] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.780495] RSP: 0018:ff5eafed00457ca0 EFLAGS: 00010286
[   15.780525] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.780565] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d5a100
[   15.780609] RBP: 0000000000000000 R08: ff156d864197e3d0 R09: ff156d8645d6a030
[   15.780655] R10: ff156d8645cb3120 R11: fefefefefefefeff R12: 0000000000000000
[   15.780699] R13: 0000000000000010 R14: ff156d8645cb3000 R15: ff156d8641d5a100
[   15.780741] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   15.780786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.780823] CR2: 00007f98023e7bc0 CR3: 0000000005cae003 CR4: 0000000000771ef0
[   15.780865] PKRU: 55555554
[   15.780879] Call Trace:
[   15.780894]  <TASK>
[   15.780909]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.780928]  register_netdevice (net/core/dev.c:11488)
[   15.780949]  register_netdev (net/core/dev.c:11552)
[   15.780969]  sit_init_net (net/ipv6/sit.c:1860)
[   15.780992]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   15.781015]  ops_init (net/core/net_namespace.c:137)
[   15.781037]  setup_net (net/core/net_namespace.c:446)
[   15.781059]  copy_net_ns (net/core/net_namespace.c:579)
[   15.781083]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.781113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.781147]  ksys_unshare (kernel/fork.c:3243)
[   15.781174]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.781195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.781221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.781250] RIP: 0033:0x7f98023e7bcb
[   15.781270] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.781373] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.781417] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   15.781457] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   15.781497] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   15.781540] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   15.781585] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   15.781704] ------------[ cut here ]------------
| [   15.781731] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/209
| [   15.781773] Modules linked in:
| [   15.781852] Tainted: [W]=WARN
[   15.781874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.781908] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.781938] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.782042] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   15.782071] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.782113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3300
[   15.782153] RBP: 0000000000000000 R08: ff156d8641926710 R09: ff156d8644677030
[   15.782194] R10: ff156d8645d6a120 R11: fefefefefefefeff R12: 0000000000000000
[   15.782238] R13: 0000000000000010 R14: ff156d8645d6a000 R15: ff156d86418f3300
[   15.782282] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   15.782327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.782362] CR2: 00007f98023e7bc0 CR3: 0000000005cae003 CR4: 0000000000771ef0
[   15.782401] PKRU: 55555554
[   15.782415] Call Trace:
[   15.782427]  <TASK>
[   15.782441]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   15.782462]  register_netdevice (net/core/dev.c:11488)
[   15.782483]  register_netdev (net/core/dev.c:11552)
[   15.782505]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   15.782527]  ops_init (net/core/net_namespace.c:137)
[   15.782550]  setup_net (net/core/net_namespace.c:446)
[   15.782571]  copy_net_ns (net/core/net_namespace.c:579)
[   15.782591]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.782621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.782656]  ksys_unshare (kernel/fork.c:3243)
[   15.782677]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.782697]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.782720]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.782749] RIP: 0033:0x7f98023e7bcb
[   15.782769] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.782867] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.782910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   15.782952] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   15.782998] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   15.783043] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   15.783088] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   15.783219] ------------[ cut here ]------------
| [   15.783250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   15.783306] Modules linked in:
| [   15.783388] Tainted: [W]=WARN
[   15.783408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.783443] Workqueue: netns cleanup_net
[   15.783467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.783496] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.783598] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   15.783628] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   15.783672] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   15.783715] RBP: 0000000000000000 R08: ff156d8644433b10 R09: ff156d8645d5382c
[   15.783762] R10: ff156d8644686120 R11: fefefefefefefeff R12: 0000000000000000
[   15.783805] R13: 0000000000000011 R14: ff156d8644686000 R15: ff156d8641d67100
[   15.783850] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   15.783896] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.783928] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   15.783977] PKRU: 55555554
[   15.783989] Call Trace:
[   15.784004]  <TASK>
[   15.784018]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.784051]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.784077]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.784099]  cleanup_net (net/core/net_namespace.c:702)
[   15.784118]  process_one_work (kernel/workqueue.c:3314)
[   15.784139]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.784158]  ? rescuer_thread (kernel/workqueue.c:3672)
[   15.784176]  kthread (kernel/kthread.c:436)
[   15.784197]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.784221]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.784245]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   15.784268]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.783593] ------------[ cut here ]------------
| [   16.783705] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   16.783797] Modules linked in:
| [   16.783920] Tainted: [W]=WARN
[   16.783953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.783992] Workqueue: netns cleanup_net
[   16.784035] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.784071] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.784174] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   16.784212] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.784272] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   16.784322] RBP: 0000000000000000 R08: ff156d8641926710 R09: ff156d8645d51830
[   16.784362] R10: ff156d8645d6a120 R11: fefefefefefefeff R12: 0000000000000000
[   16.784421] R13: 0000000000000011 R14: ff156d8645d6a000 R15: ff156d8641d67100
[   16.784479] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   16.784532] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.784580] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   16.784654] PKRU: 55555554
[   16.784680] Call Trace:
[   16.784696]  <TASK>
[   16.784713]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.784752]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.784774]  cleanup_net (net/core/net_namespace.c:702)
[   16.784802]  process_one_work (kernel/workqueue.c:3314)
[   16.784842]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.784871]  ? rescuer_thread (kernel/workqueue.c:3672)
[   16.784901]  kthread (kernel/kthread.c:436)
[   16.784935]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.784958]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.784980]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.785013]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.785153] ------------[ cut here ]------------
| [   16.785191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   16.785251] Modules linked in:
| [   16.785340] Tainted: [W]=WARN
[   16.785359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.785391] Workqueue: netns cleanup_net
[   16.785414] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.785440] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.785553] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   16.785579] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.785634] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   16.785701] RBP: 0000000000000000 R08: ff156d864197e3d0 R09: ff156d8645cc5830
[   16.785744] R10: ff156d8645cb3120 R11: fefefefefefefeff R12: 0000000000000000
[   16.785808] R13: 0000000000000011 R14: ff156d8645cb3000 R15: ff156d8641d67100
[   16.785855] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   16.785909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.785961] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   16.786021] PKRU: 55555554
[   16.786036] Call Trace:
[   16.786052]  <TASK>
[   16.786065]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.786093]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.786114]  cleanup_net (net/core/net_namespace.c:702)
[   16.786136]  process_one_work (kernel/workqueue.c:3314)
[   16.786156]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.786201]  ? rescuer_thread (kernel/workqueue.c:3672)
[   16.786220]  kthread (kernel/kthread.c:436)
[   16.786247]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.786268]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.786291]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.786329]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.786438] ------------[ cut here ]------------
| [   16.786468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   16.786540] Modules linked in:
| [   16.786635] Tainted: [W]=WARN
[   16.786659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.786692] Workqueue: netns cleanup_net
[   16.786724] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.786761] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.786884] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   16.786911] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.786951] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   16.786991] RBP: 0000000000000000 R08: ff156d8643080510 R09: ff156d86432df034
[   16.787059] R10: ff156d8645ccf120 R11: fefefefefefefeff R12: 0000000000000000
[   16.787116] R13: 0000000000000011 R14: ff156d8645ccf000 R15: ff156d8641d67100
[   16.787166] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   16.787218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.787267] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   16.787321] PKRU: 55555554
[   16.787337] Call Trace:
[   16.787350]  <TASK>
[   16.787363]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.787401]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.787425]  cleanup_net (net/core/net_namespace.c:702)
[   16.787456]  process_one_work (kernel/workqueue.c:3314)
[   16.787492]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.787525]  ? rescuer_thread (kernel/workqueue.c:3672)
[   16.787545]  kthread (kernel/kthread.c:436)
[   16.787576]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.787597]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.787619]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.787657]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.787774] ------------[ cut here ]------------
| [   16.787818] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   16.787871] Modules linked in:
| [   16.787967] Tainted: [W]=WARN
[   16.788015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.788070] Workqueue: netns cleanup_net
[   16.788092] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.788136] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.788261] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   16.788300] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.788340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   16.788379] RBP: 0000000000000000 R08: ff156d8643080950 R09: ff156d8645d32830
[   16.788436] R10: ff156d8645d2d120 R11: fefefefefefefeff R12: 0000000000000000
[   16.788478] R13: 0000000000000011 R14: ff156d8645d2d000 R15: ff156d8641d67100
[   16.788529] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   16.788592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.788638] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   16.788677] PKRU: 55555554
[   16.788692] Call Trace:
[   16.788718]  <TASK>
[   16.788731]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.788781]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.788803]  cleanup_net (net/core/net_namespace.c:702)
[   16.788828]  process_one_work (kernel/workqueue.c:3314)
[   16.788858]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.788879]  ? rescuer_thread (kernel/workqueue.c:3672)
[   16.788905]  kthread (kernel/kthread.c:436)
[   16.788935]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.788957]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.788978]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.789010]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.789124] ------------[ cut here ]------------
| [   16.789154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   16.789206] Modules linked in:
| [   16.789300] Tainted: [W]=WARN
[   16.789326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.789368] Workqueue: netns cleanup_net
[   16.789399] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.789427] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.789523] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   16.789560] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.789599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   16.789666] RBP: 0000000000000000 R08: ff156d864449b050 R09: ff156d8645d32030
[   16.789724] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[   16.789774] R13: 0000000000000011 R14: ff156d8645d42000 R15: ff156d8641d67100
[   16.789815] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   16.789868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.789901] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   16.789949] PKRU: 55555554
[   16.789963] Call Trace:
[   16.789986]  <TASK>
[   16.790006]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.790047]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   16.790078]  cleanup_net (net/core/net_namespace.c:702)
[   16.790110]  process_one_work (kernel/workqueue.c:3314)
[   16.790136]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.790157]  ? rescuer_thread (kernel/workqueue.c:3672)
[   16.790191]  kthread (kernel/kthread.c:436)
[   16.790236]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.790259]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.790293]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.790324]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.796096] ------------[ cut here ]------------
| [   16.796168] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/211
| [   16.796223] Modules linked in:
| [   16.796311] Tainted: [W]=WARN
[   16.796333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.796366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.796397] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.796494] RSP: 0018:ff5eafed0045fcb8 EFLAGS: 00010286
[   16.796526] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.796569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3400
[   16.796609] RBP: 0000000000000000 R08: ff156d86433c9050 R09: ff156d8645d5f02c
[   16.796659] R10: ff156d864317b120 R11: fefefefefefefeff R12: 0000000000000000
[   16.796704] R13: 0000000000000010 R14: ff156d864317b000 R15: ff156d86418f3400
[   16.796747] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   16.796793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.796830] CR2: 00007f98023e7bc0 CR3: 000000000194c005 CR4: 0000000000771ef0
[   16.796869] PKRU: 55555554
[   16.796889] Call Trace:
[   16.796904]  <TASK>
[   16.796920]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   16.796949]  register_netdevice (net/core/dev.c:11488)
[   16.796973]  register_netdev (net/core/dev.c:11552)
[   16.796995]  loopback_net_init (drivers/net/loopback.c:218)
[   16.797017]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   16.797049]  ops_init (net/core/net_namespace.c:137)
[   16.797073]  setup_net (net/core/net_namespace.c:446)
[   16.797096]  copy_net_ns (net/core/net_namespace.c:579)
[   16.797119]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.797154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.797187]  ksys_unshare (kernel/fork.c:3243)
[   16.797212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.797235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.797259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.797290] RIP: 0033:0x7f98023e7bcb
[   16.797318] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.797419] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.797462] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   16.797507] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   16.797549] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   16.797590] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   16.797640] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   16.797776] ------------[ cut here ]------------
| [   16.797804] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/211
| [   16.797858] Modules linked in:
| [   16.797935] Tainted: [W]=WARN
[   16.797959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.797997] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.798030] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.798140] RSP: 0018:ff5eafed0045fc10 EFLAGS: 00010286
[   16.798168] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.798212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59c00
[   16.798251] RBP: 0000000000000000 R08: ff156d864195a7d0 R09: ff156d8645d62830
[   16.798293] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   16.798334] R13: 0000000000000010 R14: ff156d8645d5f000 R15: ff156d8641d59c00
[   16.798379] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   16.798421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.798454] CR2: 00007f98023e7bc0 CR3: 000000000194c005 CR4: 0000000000771ef0
[   16.798494] PKRU: 55555554
[   16.798509] Call Trace:
[   16.798521]  <TASK>
[   16.798535]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   16.798557]  register_netdevice (net/core/dev.c:11488)
[   16.798579]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   16.798604]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   16.798631]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   16.798655]  ops_init (net/core/net_namespace.c:137)
[   16.798679]  setup_net (net/core/net_namespace.c:446)
[   16.798704]  copy_net_ns (net/core/net_namespace.c:579)
[   16.798729]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.798761]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.798792]  ksys_unshare (kernel/fork.c:3243)
[   16.798817]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.798839]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.798863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.798892] RIP: 0033:0x7f98023e7bcb
[   16.798914] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.799009] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.799056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   16.799100] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   16.799141] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   16.799185] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   16.799230] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   16.799349] ------------[ cut here ]------------
| [   16.799379] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/211
| [   16.799432] Modules linked in:
| [   16.799513] Tainted: [W]=WARN
[   16.799538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.799575] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.799602] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.799711] RSP: 0018:ff5eafed0045fbf0 EFLAGS: 00010286
[   16.799741] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.799785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   16.799826] RBP: 0000000000000000 R08: ff156d864445e990 R09: ff156d8645cec030
[   16.799871] R10: ff156d8645d88120 R11: fefefefefefefeff R12: 0000000000000000
[   16.799914] R13: 0000000000000010 R14: ff156d8645d88000 R15: ff156d8641d59100
[   16.799956] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   16.799997] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.800036] CR2: 00007f98023e7bc0 CR3: 000000000194c005 CR4: 0000000000771ef0
[   16.800081] PKRU: 55555554
[   16.800097] Call Trace:
[   16.800111]  <TASK>
[   16.800126]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   16.800149]  register_netdevice (net/core/dev.c:11488)
[   16.800172]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   16.800196]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   16.800232]  vti_init_net (net/ipv4/ip_vti.c:517)
[   16.800256]  ops_init (net/core/net_namespace.c:137)
[   16.800279]  setup_net (net/core/net_namespace.c:446)
[   16.800300]  copy_net_ns (net/core/net_namespace.c:579)
[   16.800322]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.800353]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.800385]  ksys_unshare (kernel/fork.c:3243)
[   16.800412]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.800434]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.800456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.800485] RIP: 0033:0x7f98023e7bcb
[   16.800506] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.800605] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.800645] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   16.800690] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   16.800729] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   16.800768] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   16.800807] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   16.800935] ------------[ cut here ]------------
| [   16.800965] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/211
| [   16.801011] Modules linked in:
| [   16.801092] Tainted: [W]=WARN
[   16.801112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.801145] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.801172] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.801263] RSP: 0018:ff5eafed0045fca8 EFLAGS: 00010286
[   16.801293] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.801337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   16.801378] RBP: 0000000000000000 R08: ff156d864191e290 R09: ff156d8644687034
[   16.801419] R10: ff156d864200c120 R11: fefefefefefefeff R12: 0000000000000000
[   16.801463] R13: 0000000000000010 R14: ff156d864200c000 R15: ff156d86418f3c00
[   16.801507] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   16.801549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.801584] CR2: 00007f98023e7bc0 CR3: 000000000194c005 CR4: 0000000000771ef0
[   16.801632] PKRU: 55555554
[   16.801648] Call Trace:
[   16.801662]  <TASK>
[   16.801676]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   16.801696]  register_netdevice (net/core/dev.c:11488)
[   16.801716]  register_netdev (net/core/dev.c:11552)
[   16.801742]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   16.801769]  ops_init (net/core/net_namespace.c:137)
[   16.801792]  setup_net (net/core/net_namespace.c:446)
[   16.801812]  copy_net_ns (net/core/net_namespace.c:579)
[   16.801835]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.801863]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.801890]  ksys_unshare (kernel/fork.c:3243)
[   16.801911]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.801933]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.801954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.801984] RIP: 0033:0x7f98023e7bcb
[   16.802006] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.802102] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.802145] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   16.802191] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   16.802229] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   16.802268] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   16.802312] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   16.802432] ------------[ cut here ]------------
| [   16.802460] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/211
| [   16.802506] Modules linked in:
| [   16.802582] Tainted: [W]=WARN
[   16.802605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.802642] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.802673] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.802769] RSP: 0018:ff5eafed0045fca0 EFLAGS: 00010286
[   16.802798] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.802837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326ff00
[   16.802879] RBP: 0000000000000000 R08: ff156d8644524b10 R09: ff156d8645cf2030
[   16.802924] R10: ff156d8644687120 R11: fefefefefefefeff R12: 0000000000000000
[   16.802969] R13: 0000000000000010 R14: ff156d8644687000 R15: ff156d864326ff00
[   16.803013] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   16.803059] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.803094] CR2: 00007f98023e7bc0 CR3: 000000000194c005 CR4: 0000000000771ef0
[   16.803133] PKRU: 55555554
[   16.803149] Call Trace:
[   16.803162]  <TASK>
[   16.803176]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   16.803195]  register_netdevice (net/core/dev.c:11488)
[   16.803219]  register_netdev (net/core/dev.c:11552)
[   16.803242]  sit_init_net (net/ipv6/sit.c:1860)
[   16.803265]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   16.803289]  ops_init (net/core/net_namespace.c:137)
[   16.803312]  setup_net (net/core/net_namespace.c:446)
[   16.803335]  copy_net_ns (net/core/net_namespace.c:579)
[   16.803355]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.803381]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.803408]  ksys_unshare (kernel/fork.c:3243)
[   16.803428]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.803453]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.803477]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.803506] RIP: 0033:0x7f98023e7bcb
[   16.803527] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.803620] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.803664] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   16.803708] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   16.803749] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   16.803788] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   16.803830] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   16.803958] ------------[ cut here ]------------
| [   16.803989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   16.804045] Modules linked in:
| [   16.804124] Tainted: [W]=WARN
[   16.804143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.804176] Workqueue: netns cleanup_net
[   16.804200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.804229] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.804329] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   16.804355] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.804393] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   16.804431] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645cc782c
[   16.804472] R10: ff156d8645cb4120 R11: fefefefefefefeff R12: 0000000000000000
[   16.804512] R13: 0000000000000011 R14: ff156d8645cb4000 R15: ff156d8641d67100
[   16.804554] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   16.804607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.804650] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   16.804689] PKRU: 55555554
[   16.804703] Call Trace:
[   16.804717]  <TASK>
[   16.804730]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   16.804757]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   16.804784]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   16.804809]  cleanup_net (net/core/net_namespace.c:702)
[   16.804833]  process_one_work (kernel/workqueue.c:3314)
[   16.804854]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   16.804878]  ? rescuer_thread (kernel/workqueue.c:3672)
[   16.804899]  kthread (kernel/kthread.c:436)
[   16.804919]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.804943]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.804968]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   16.804990]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   16.805131] ------------[ cut here ]------------
| [   16.805161] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/211
| [   16.805208] Modules linked in:
| [   16.805282] Tainted: [W]=WARN
[   16.805302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.805340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   16.805377] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   16.805471] RSP: 0018:ff5eafed0045fca8 EFLAGS: 00010286
[   16.805499] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   16.805540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   16.805584] RBP: 0000000000000000 R08: ff156d8641908a10 R09: ff156d8645ccf030
[   16.805631] R10: ff156d8645cf2120 R11: fefefefefefefeff R12: 0000000000000000
[   16.805671] R13: 0000000000000010 R14: ff156d8645cf2000 R15: ff156d8641d59300
[   16.805714] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   16.805762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   16.805797] CR2: 00007f98023e7bc0 CR3: 000000000194c005 CR4: 0000000000771ef0
[   16.805841] PKRU: 55555554
[   16.805854] Call Trace:
[   16.805869]  <TASK>
[   16.805886]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   16.805907]  register_netdevice (net/core/dev.c:11488)
[   16.805928]  register_netdev (net/core/dev.c:11552)
[   16.805952]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   16.805975]  ops_init (net/core/net_namespace.c:137)
[   16.806001]  setup_net (net/core/net_namespace.c:446)
[   16.806023]  copy_net_ns (net/core/net_namespace.c:579)
[   16.806054]  create_new_namespaces (kernel/nsproxy.c:132)
[   16.806083]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   16.806112]  ksys_unshare (kernel/fork.c:3243)
[   16.806141]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   16.806163]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   16.806186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.806212] RIP: 0033:0x7f98023e7bcb
[   16.806232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   16.806326] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   16.806363] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   16.806403] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   16.806441] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   16.806480] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   16.806523] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   17.807012] ------------[ cut here ]------------
| [   17.807108] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   17.807188] Modules linked in:
| [   17.807321] Tainted: [W]=WARN
[   17.807349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.807428] Workqueue: netns cleanup_net
[   17.807456] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.807488] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.807624] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   17.807666] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.807711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   17.807784] RBP: 0000000000000000 R08: ff156d8641908a10 R09: ff156d8645ced830
[   17.807828] R10: ff156d8645cf2120 R11: fefefefefefefeff R12: 0000000000000000
[   17.807888] R13: 0000000000000011 R14: ff156d8645cf2000 R15: ff156d8641d67100
[   17.807951] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   17.808030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.808072] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   17.808117] PKRU: 55555554
[   17.808134] Call Trace:
[   17.808160]  <TASK>
[   17.808188]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.808222]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.808247]  cleanup_net (net/core/net_namespace.c:702)
[   17.808278]  process_one_work (kernel/workqueue.c:3314)
[   17.808321]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.808344]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.808403]  kthread (kernel/kthread.c:436)
[   17.808429]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.808454]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.808478]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.808503]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.808649] ------------[ cut here ]------------
| [   17.808691] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   17.808761] Modules linked in:
| [   17.808860] Tainted: [W]=WARN
[   17.808893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.808941] Workqueue: netns cleanup_net
[   17.808966] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.809004] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.809148] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   17.809179] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.809231] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   17.809275] RBP: 0000000000000000 R08: ff156d8644524b10 R09: ff156d8645cc0830
[   17.809318] R10: ff156d8644687120 R11: fefefefefefefeff R12: 0000000000000000
[   17.809381] R13: 0000000000000011 R14: ff156d8644687000 R15: ff156d8641d67100
[   17.809425] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   17.809485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.809522] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   17.809578] PKRU: 55555554
[   17.809594] Call Trace:
[   17.809609]  <TASK>
[   17.809625]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.809660]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.809697]  cleanup_net (net/core/net_namespace.c:702)
[   17.809720]  process_one_work (kernel/workqueue.c:3314)
[   17.809744]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.809783]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.809805]  kthread (kernel/kthread.c:436)
[   17.809831]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.809855]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.809877]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.809913]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.810037] ------------[ cut here ]------------
| [   17.810072] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   17.810150] Modules linked in:
| [   17.810251] Tainted: [W]=WARN
[   17.810274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.810308] Workqueue: netns cleanup_net
[   17.810354] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.810391] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.810514] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   17.810546] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.810591] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   17.810650] RBP: 0000000000000000 R08: ff156d864191e290 R09: ff156d86432ed834
[   17.810705] R10: ff156d864200c120 R11: fefefefefefefeff R12: 0000000000000000
[   17.810785] R13: 0000000000000011 R14: ff156d864200c000 R15: ff156d8641d67100
[   17.810843] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   17.810898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.810951] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   17.811000] PKRU: 55555554
[   17.811023] Call Trace:
[   17.811040]  <TASK>
[   17.811057]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.811087]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.811122]  cleanup_net (net/core/net_namespace.c:702)
[   17.811144]  process_one_work (kernel/workqueue.c:3314)
[   17.811185]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.811210]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.811232]  kthread (kernel/kthread.c:436)
[   17.811268]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.811301]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.811325]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.811353]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.811471] ------------[ cut here ]------------
| [   17.811517] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   17.811586] Modules linked in:
| [   17.811683] Tainted: [W]=WARN
[   17.811707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.811757] Workqueue: netns cleanup_net
[   17.811783] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.811814] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.811939] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   17.811972] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.812018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   17.812065] RBP: 0000000000000000 R08: ff156d864445e990 R09: ff156d8645d54830
[   17.812131] R10: ff156d8645d88120 R11: fefefefefefefeff R12: 0000000000000000
[   17.812188] R13: 0000000000000011 R14: ff156d8645d88000 R15: ff156d8641d67100
[   17.812246] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   17.812299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.812338] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   17.812386] PKRU: 55555554
[   17.812401] Call Trace:
[   17.812416]  <TASK>
[   17.812443]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.812473]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.812516]  cleanup_net (net/core/net_namespace.c:702)
[   17.812540]  process_one_work (kernel/workqueue.c:3314)
[   17.812562]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.812594]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.812619]  kthread (kernel/kthread.c:436)
[   17.812661]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.812686]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.812722]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.812747]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.812861] ------------[ cut here ]------------
| [   17.812911] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   17.812978] Modules linked in:
| [   17.813090] Tainted: [W]=WARN
[   17.813115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.813157] Workqueue: netns cleanup_net
[   17.813184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.813216] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.813341] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   17.813381] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.813425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   17.813467] RBP: 0000000000000000 R08: ff156d864195a7d0 R09: ff156d8645cfc030
[   17.813535] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   17.813579] R13: 0000000000000011 R14: ff156d8645d5f000 R15: ff156d8641d67100
[   17.813625] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   17.813677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.813713] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   17.813767] PKRU: 55555554
[   17.813794] Call Trace:
[   17.813812]  <TASK>
[   17.813827]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.813859]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   17.813895]  cleanup_net (net/core/net_namespace.c:702)
[   17.813919]  process_one_work (kernel/workqueue.c:3314)
[   17.813951]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.813979]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.814003]  kthread (kernel/kthread.c:436)
[   17.814029]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.814068]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.814093]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.814124]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.821622] ------------[ cut here ]------------
| [   17.821678] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/213
| [   17.821732] Modules linked in:
| [   17.821814] Tainted: [W]=WARN
[   17.821840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.821874] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.821905] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.822001] RSP: 0018:ff5eafed00447cb8 EFLAGS: 00010286
[   17.822034] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.822076] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3400
[   17.822115] RBP: 0000000000000000 R08: ff156d8641908fd0 R09: ff156d864200f02c
[   17.822158] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[   17.822196] R13: 0000000000000010 R14: ff156d8645d6b000 R15: ff156d86418f3400
[   17.822233] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   17.822279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.822320] CR2: 00007f98023e7bc0 CR3: 000000000192f006 CR4: 0000000000771ef0
[   17.822364] PKRU: 55555554
[   17.822379] Call Trace:
[   17.822392]  <TASK>
[   17.822406]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.822431]  register_netdevice (net/core/dev.c:11488)
[   17.822455]  register_netdev (net/core/dev.c:11552)
[   17.822474]  loopback_net_init (drivers/net/loopback.c:218)
[   17.822498]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   17.822530]  ops_init (net/core/net_namespace.c:137)
[   17.822553]  setup_net (net/core/net_namespace.c:446)
[   17.822577]  copy_net_ns (net/core/net_namespace.c:579)
[   17.822600]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.822636]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.822662]  ksys_unshare (kernel/fork.c:3243)
[   17.822685]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.822705]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.822725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.822755] RIP: 0033:0x7f98023e7bcb
[   17.822778] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.822877] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   17.822918] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   17.822963] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   17.823007] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   17.823053] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   17.823086] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   17.823214] ------------[ cut here ]------------
| [   17.823242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/213
| [   17.823294] Modules linked in:
| [   17.823375] Tainted: [W]=WARN
[   17.823397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.823434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.823462] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.823554] RSP: 0018:ff5eafed00447c10 EFLAGS: 00010286
[   17.823584] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.823624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d5a300
[   17.823668] RBP: 0000000000000000 R08: ff156d864445eb10 R09: ff156d8645d02830
[   17.823711] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   17.823756] R13: 0000000000000010 R14: ff156d864200f000 R15: ff156d8641d5a300
[   17.823802] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   17.823845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.823874] CR2: 00007f98023e7bc0 CR3: 000000000192f006 CR4: 0000000000771ef0
[   17.823918] PKRU: 55555554
[   17.823931] Call Trace:
[   17.823944]  <TASK>
[   17.823958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.823976]  register_netdevice (net/core/dev.c:11488)
[   17.824000]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   17.824030]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   17.824053]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   17.824076]  ops_init (net/core/net_namespace.c:137)
[   17.824097]  setup_net (net/core/net_namespace.c:446)
[   17.824123]  copy_net_ns (net/core/net_namespace.c:579)
[   17.824144]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.824175]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.824198]  ksys_unshare (kernel/fork.c:3243)
[   17.824220]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.824243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.824262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.824293] RIP: 0033:0x7f98023e7bcb
[   17.824314] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.824410] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   17.824454] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   17.824495] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   17.824536] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   17.824579] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   17.824622] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   17.824742] ------------[ cut here ]------------
| [   17.824771] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/213
| [   17.824821] Modules linked in:
| [   17.824900] Tainted: [W]=WARN
[   17.824921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.824954] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.824991] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.825097] RSP: 0018:ff5eafed00447bf0 EFLAGS: 00010286
[   17.825125] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.825172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   17.825224] RBP: 0000000000000000 R08: ff156d864440bad0 R09: ff156d86430f1030
[   17.825277] R10: ff156d8643179120 R11: fefefefefefefeff R12: 0000000000000000
[   17.825319] R13: 0000000000000010 R14: ff156d8643179000 R15: ff156d8641d59100
[   17.825364] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   17.825410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.825448] CR2: 00007f98023e7bc0 CR3: 000000000192f006 CR4: 0000000000771ef0
[   17.825490] PKRU: 55555554
[   17.825505] Call Trace:
[   17.825519]  <TASK>
[   17.825537]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.825560]  register_netdevice (net/core/dev.c:11488)
[   17.825582]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   17.825604]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   17.825626]  vti_init_net (net/ipv4/ip_vti.c:517)
[   17.825651]  ops_init (net/core/net_namespace.c:137)
[   17.825670]  setup_net (net/core/net_namespace.c:446)
[   17.825691]  copy_net_ns (net/core/net_namespace.c:579)
[   17.825714]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.825741]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.825769]  ksys_unshare (kernel/fork.c:3243)
[   17.825790]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.825811]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.825833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.825860] RIP: 0033:0x7f98023e7bcb
[   17.825880] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.825976] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   17.826015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   17.826057] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   17.826096] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   17.826136] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   17.826180] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   17.826303] ------------[ cut here ]------------
| [   17.826328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/213
| [   17.826381] Modules linked in:
| [   17.826458] Tainted: [W]=WARN
[   17.826478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.826512] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.826538] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.826635] RSP: 0018:ff5eafed00447ca8 EFLAGS: 00010286
[   17.826664] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.826703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   17.826745] RBP: 0000000000000000 R08: ff156d86444e1310 R09: ff156d8645cf0034
[   17.826784] R10: ff156d8641180120 R11: fefefefefefefeff R12: 0000000000000000
[   17.826828] R13: 0000000000000010 R14: ff156d8641180000 R15: ff156d86418f3c00
[   17.826867] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   17.826910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.826967] CR2: 00007f98023e7bc0 CR3: 000000000192f006 CR4: 0000000000771ef0
[   17.827010] PKRU: 55555554
[   17.827023] Call Trace:
[   17.827041]  <TASK>
[   17.827053]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.827076]  register_netdevice (net/core/dev.c:11488)
[   17.827097]  register_netdev (net/core/dev.c:11552)
[   17.827117]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   17.827142]  ops_init (net/core/net_namespace.c:137)
[   17.827164]  setup_net (net/core/net_namespace.c:446)
[   17.827185]  copy_net_ns (net/core/net_namespace.c:579)
[   17.827205]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.827233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.827261]  ksys_unshare (kernel/fork.c:3243)
[   17.827283]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.827302]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.827327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.827351] RIP: 0033:0x7f98023e7bcb
[   17.827371] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.827468] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   17.827509] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   17.827549] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   17.827589] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   17.827629] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   17.827674] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   17.827801] ------------[ cut here ]------------
| [   17.827828] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/213
| [   17.827872] Modules linked in:
| [   17.827953] Tainted: [W]=WARN
[   17.827975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.828010] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.828042] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.828139] RSP: 0018:ff5eafed00447ca0 EFLAGS: 00010286
[   17.828169] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.828213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3d00
[   17.828252] RBP: 0000000000000000 R08: ff156d8641908e50 R09: ff156d8645d78030
[   17.828295] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[   17.828338] R13: 0000000000000010 R14: ff156d8645cf0000 R15: ff156d86418f3d00
[   17.828382] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   17.828424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.828458] CR2: 00007f98023e7bc0 CR3: 000000000192f006 CR4: 0000000000771ef0
[   17.828503] PKRU: 55555554
[   17.828517] Call Trace:
[   17.828532]  <TASK>
[   17.828546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.828568]  register_netdevice (net/core/dev.c:11488)
[   17.828591]  register_netdev (net/core/dev.c:11552)
[   17.828614]  sit_init_net (net/ipv6/sit.c:1860)
[   17.828640]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   17.828662]  ops_init (net/core/net_namespace.c:137)
[   17.828685]  setup_net (net/core/net_namespace.c:446)
[   17.828706]  copy_net_ns (net/core/net_namespace.c:579)
[   17.828728]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.828756]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.828783]  ksys_unshare (kernel/fork.c:3243)
[   17.828805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.828827]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.828850]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.828875] RIP: 0033:0x7f98023e7bcb
[   17.828898] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.828997] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   17.829036] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   17.829074] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   17.829115] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   17.829156] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   17.829195] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   17.829310] ------------[ cut here ]------------
| [   17.829335] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/213
| [   17.829380] Modules linked in:
| [   17.829454] Tainted: [W]=WARN
[   17.829475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.829516] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.829545] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.829643] RSP: 0018:ff5eafed00447ca8 EFLAGS: 00010286
[   17.829672] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.829712] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   17.829755] RBP: 0000000000000000 R08: ff156d8641908e10 R09: ff156d8645cb5030
[   17.829795] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[   17.829840] R13: 0000000000000010 R14: ff156d8645d78000 R15: ff156d8641d59300
[   17.829885] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   17.829932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.829971] CR2: 00007f98023e7bc0 CR3: 000000000192f006 CR4: 0000000000771ef0
[   17.830011] PKRU: 55555554
[   17.830024] Call Trace:
[   17.830042]  <TASK>
[   17.830057]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   17.830077]  register_netdevice (net/core/dev.c:11488)
[   17.830095]  register_netdev (net/core/dev.c:11552)
[   17.830114]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   17.830136]  ops_init (net/core/net_namespace.c:137)
[   17.830157]  setup_net (net/core/net_namespace.c:446)
[   17.830181]  copy_net_ns (net/core/net_namespace.c:579)
[   17.830207]  create_new_namespaces (kernel/nsproxy.c:132)
[   17.830237]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   17.830264]  ksys_unshare (kernel/fork.c:3243)
[   17.830287]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   17.830307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   17.830327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.830354] RIP: 0033:0x7f98023e7bcb
[   17.830376] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.830470] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   17.830518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   17.830560] RDX: 00000000004064e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   17.830603] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   17.830646] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   17.830685] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   17.833058] ------------[ cut here ]------------
| [   17.833121] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   17.833181] Modules linked in:
| [   17.833257] Tainted: [W]=WARN
[   17.833278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.833313] Workqueue: netns cleanup_net
[   17.833335] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   17.833364] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   17.833457] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   17.833483] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   17.833523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   17.833564] RBP: 0000000000000000 R08: ff156d86433c9050 R09: ff156d864468902c
[   17.833603] R10: ff156d864317b120 R11: fefefefefefefeff R12: 0000000000000000
[   17.833648] R13: 0000000000000011 R14: ff156d864317b000 R15: ff156d8641d67100
[   17.833691] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   17.833730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   17.833764] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   17.833810] PKRU: 55555554
[   17.833825] Call Trace:
[   17.833838]  <TASK>
[   17.833853]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   17.833882]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   17.833912]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   17.833934]  cleanup_net (net/core/net_namespace.c:702)
[   17.833954]  process_one_work (kernel/workqueue.c:3314)
[   17.833977]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   17.833998]  ? rescuer_thread (kernel/workqueue.c:3672)
[   17.834020]  kthread (kernel/kthread.c:436)
[   17.834042]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.834065]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.834086]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   17.834107]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.831260] ------------[ cut here ]------------
| [   18.831359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.831443] Modules linked in:
| [   18.831571] Tainted: [W]=WARN
[   18.831600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.831649] Workqueue: netns cleanup_net
[   18.831685] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.831711] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.831832] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.831871] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.831919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.831977] RBP: 0000000000000000 R08: ff156d8641908e10 R09: ff156d8645cc6030
[   18.832035] R10: ff156d8645d78120 R11: fefefefefefefeff R12: 0000000000000000
[   18.832086] R13: 0000000000000011 R14: ff156d8645d78000 R15: ff156d8641d67100
[   18.832151] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.832197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.832246] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.832292] PKRU: 55555554
[   18.832307] Call Trace:
[   18.832339]  <TASK>
[   18.832355]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.832390]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.832418]  cleanup_net (net/core/net_namespace.c:702)
[   18.832451]  process_one_work (kernel/workqueue.c:3314)
[   18.832486]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.832508]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.832537]  kthread (kernel/kthread.c:436)
[   18.832571]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.832593]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.832616]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.832650]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.832808] ------------[ cut here ]------------
| [   18.832838] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.832927] Modules linked in:
| [   18.833016] Tainted: [W]=WARN
[   18.833048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.833093] Workqueue: netns cleanup_net
[   18.833120] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.833157] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.833259] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.833285] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.833334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.833391] RBP: 0000000000000000 R08: ff156d8641908e50 R09: ff156d8645cc7830
[   18.833438] R10: ff156d8645cf0120 R11: fefefefefefefeff R12: 0000000000000000
[   18.833498] R13: 0000000000000011 R14: ff156d8645cf0000 R15: ff156d8641d67100
[   18.833541] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.833582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.833641] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.833693] PKRU: 55555554
[   18.833705] Call Trace:
[   18.833727]  <TASK>
[   18.833740]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.833782]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.833809]  cleanup_net (net/core/net_namespace.c:702)
[   18.833841]  process_one_work (kernel/workqueue.c:3314)
[   18.833876]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.833907]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.833926]  kthread (kernel/kthread.c:436)
[   18.833958]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.833981]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.834001]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.834021]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.834162] ------------[ cut here ]------------
| [   18.834198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.834250] Modules linked in:
| [   18.834356] Tainted: [W]=WARN
[   18.834388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.834441] Workqueue: netns cleanup_net
[   18.834475] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.834512] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.834623] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.834677] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.834726] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.834772] RBP: 0000000000000000 R08: ff156d86444e1310 R09: ff156d8645d01834
[   18.834833] R10: ff156d8641180120 R11: fefefefefefefeff R12: 0000000000000000
[   18.834883] R13: 0000000000000011 R14: ff156d8641180000 R15: ff156d8641d67100
[   18.834936] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.834976] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.835036] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.835076] PKRU: 55555554
[   18.835092] Call Trace:
[   18.835108]  <TASK>
[   18.835132]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.835159]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.835191]  cleanup_net (net/core/net_namespace.c:702)
[   18.835227]  process_one_work (kernel/workqueue.c:3314)
[   18.835248]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.835286]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.835305]  kthread (kernel/kthread.c:436)
[   18.835337]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.835359]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.835378]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.835413]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.835530] ------------[ cut here ]------------
| [   18.835564] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.835614] Modules linked in:
| [   18.835694] Tainted: [W]=WARN
[   18.835723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.835763] Workqueue: netns cleanup_net
[   18.835796] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.835824] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.835927] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.835958] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.836023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.836084] RBP: 0000000000000000 R08: ff156d864440bad0 R09: ff156d8645cff030
[   18.836130] R10: ff156d8643179120 R11: fefefefefefefeff R12: 0000000000000000
[   18.836177] R13: 0000000000000011 R14: ff156d8643179000 R15: ff156d8641d67100
[   18.836249] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.836304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.836335] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.836403] PKRU: 55555554
[   18.836416] Call Trace:
[   18.836428]  <TASK>
[   18.836454]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.836502]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.836524]  cleanup_net (net/core/net_namespace.c:702)
[   18.836553]  process_one_work (kernel/workqueue.c:3314)
[   18.836581]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.836611]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.836647]  kthread (kernel/kthread.c:436)
[   18.836668]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.836688]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.836711]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.836740]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.836863] ------------[ cut here ]------------
| [   18.836892] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.836962] Modules linked in:
| [   18.837058] Tainted: [W]=WARN
[   18.837102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.837138] Workqueue: netns cleanup_net
[   18.837157] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.837198] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.837286] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.837316] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.837367] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.837411] RBP: 0000000000000000 R08: ff156d864445eb10 R09: ff156d86432cf030
[   18.837460] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.837499] R13: 0000000000000011 R14: ff156d864200f000 R15: ff156d8641d67100
[   18.837541] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.837597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.837641] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.837697] PKRU: 55555554
[   18.837713] Call Trace:
[   18.837734]  <TASK>
[   18.837746]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.837792]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.837820]  cleanup_net (net/core/net_namespace.c:702)
[   18.837840]  process_one_work (kernel/workqueue.c:3314)
[   18.837869]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.837889]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.837908]  kthread (kernel/kthread.c:436)
[   18.837944]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.837974]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.837997]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.838018]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.844003] ------------[ cut here ]------------
| [   18.844111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/216
| [   18.844204] Modules linked in:
| [   18.844362] Tainted: [W]=WARN
[   18.844419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.844492] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.844561] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.844697] RSP: 0018:ff5eafed002abcb8 EFLAGS: 00010286
[   18.844767] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.844847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c700
[   18.844924] RBP: 0000000000000000 R08: ff156d8641944850 R09: ff156d8645d1602c
[   18.845002] R10: ff156d8642f8f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.845084] R13: 0000000000000010 R14: ff156d8642f8f000 R15: ff156d864322c700
[   18.845166] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.845245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.845319] CR2: 00007f98023e7bc0 CR3: 000000000193f003 CR4: 0000000000771ef0
[   18.845397] PKRU: 55555554
[   18.845448] Call Trace:
[   18.845500]  <TASK>
[   18.845552]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.845615]  register_netdevice (net/core/dev.c:11488)
[   18.845681]  register_netdev (net/core/dev.c:11552)
[   18.845742]  loopback_net_init (drivers/net/loopback.c:218)
[   18.845806]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   18.845873]  ops_init (net/core/net_namespace.c:137)
[   18.845934]  setup_net (net/core/net_namespace.c:446)
[   18.845994]  copy_net_ns (net/core/net_namespace.c:579)
[   18.846060]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.846125]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.846220]  ksys_unshare (kernel/fork.c:3243)
[   18.846287]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.846351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.846417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.846488] RIP: 0033:0x7f98023e7bcb
[   18.846553] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.846688] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.846770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.846847] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.846927] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.847008] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.847092] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.847344] ------------[ cut here ]------------
| [   18.847415] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/216
| [   18.847503] Modules linked in:
| [   18.847663] Tainted: [W]=WARN
[   18.847724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.847799] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.847866] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.847991] RSP: 0018:ff5eafed002abc10 EFLAGS: 00010286
[   18.848067] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.848144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58700
[   18.848221] RBP: 0000000000000000 R08: ff156d8641944910 R09: ff156d8645d08830
[   18.848301] R10: ff156d8645d16120 R11: fefefefefefefeff R12: 0000000000000000
[   18.848374] R13: 0000000000000010 R14: ff156d8645d16000 R15: ff156d8641d58700
[   18.848453] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.848535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.848609] CR2: 00007f98023e7bc0 CR3: 000000000193f003 CR4: 0000000000771ef0
[   18.848699] PKRU: 55555554
[   18.848751] Call Trace:
[   18.848801]  <TASK>
[   18.848853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.848913]  register_netdevice (net/core/dev.c:11488)
[   18.848976]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.849049]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.849115]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   18.849179]  ops_init (net/core/net_namespace.c:137)
[   18.849236]  setup_net (net/core/net_namespace.c:446)
[   18.849299]  copy_net_ns (net/core/net_namespace.c:579)
[   18.849362]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.849427]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.849495]  ksys_unshare (kernel/fork.c:3243)
[   18.849556]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.849618]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.849688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.849756] RIP: 0033:0x7f98023e7bcb
[   18.849816] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.849948] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.850035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.850115] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.850195] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.850275] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.850355] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.850599] ------------[ cut here ]------------
| [   18.850667] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/216
| [   18.850756] Modules linked in:
| [   18.850911] Tainted: [W]=WARN
[   18.850969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.851047] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.851115] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.851237] RSP: 0018:ff5eafed002abbf0 EFLAGS: 00010286
[   18.851303] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.851379] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236500
[   18.851455] RBP: 0000000000000000 R08: ff156d864445ec50 R09: ff156d8645cc6030
[   18.851534] R10: ff156d8645cc8120 R11: fefefefefefefeff R12: 0000000000000000
[   18.851613] R13: 0000000000000010 R14: ff156d8645cc8000 R15: ff156d8643236500
[   18.851702] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.851779] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.851852] CR2: 00007f98023e7bc0 CR3: 000000000193f003 CR4: 0000000000771ef0
[   18.851927] PKRU: 55555554
[   18.851979] Call Trace:
[   18.852033]  <TASK>
[   18.852085]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.852145]  register_netdevice (net/core/dev.c:11488)
[   18.852204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.852267]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.852330]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.852393]  ops_init (net/core/net_namespace.c:137)
[   18.852455]  setup_net (net/core/net_namespace.c:446)
[   18.852515]  copy_net_ns (net/core/net_namespace.c:579)
[   18.852577]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.852651]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.852723]  ksys_unshare (kernel/fork.c:3243)
[   18.852786]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.852848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.852908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.852974] RIP: 0033:0x7f98023e7bcb
[   18.853042] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.853167] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.853248] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.853325] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.853401] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.853479] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.853559] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.853821] ------------[ cut here ]------------
| [   18.853883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/216
| [   18.853967] Modules linked in:
| [   18.854127] Tainted: [W]=WARN
[   18.854187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.854260] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.854330] 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
[   18.854457] RSP: 0018:ff5eafed002abca8 EFLAGS: 00010286
[   18.854528] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.854606] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236d00
[   18.854694] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645d5f034
[   18.854773] R10: ff156d864317b120 R11: fefefefefefefeff R12: 0000000000000000
[   18.854854] R13: 0000000000000010 R14: ff156d864317b000 R15: ff156d8643236d00
[   18.854936] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.855016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.855094] CR2: 00007f98023e7bc0 CR3: 000000000193f003 CR4: 0000000000771ef0
[   18.855175] PKRU: 55555554
[   18.855226] Call Trace:
[   18.855278]  <TASK>
[   18.855331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.855394]  register_netdevice (net/core/dev.c:11488)
[   18.855458]  register_netdev (net/core/dev.c:11552)
[   18.855520]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.855585]  ops_init (net/core/net_namespace.c:137)
[   18.855654]  setup_net (net/core/net_namespace.c:446)
[   18.855717]  copy_net_ns (net/core/net_namespace.c:579)
[   18.855779]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.855847]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.855914]  ksys_unshare (kernel/fork.c:3243)
[   18.855978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.856047]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.856111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.856182] RIP: 0033:0x7f98023e7bcb
[   18.856245] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.856373] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.856454] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.856532] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.856608] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.856695] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.856774] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.857043] ------------[ cut here ]------------
| [   18.857105] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/216
| [   18.857193] Modules linked in:
| [   18.857345] Tainted: [W]=WARN
[   18.857403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.857475] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.857544] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.857681] RSP: 0018:ff5eafed002abca0 EFLAGS: 00010286
[   18.857751] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.857828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58500
[   18.857907] RBP: 0000000000000000 R08: ff156d864449b050 R09: ff156d8644687030
[   18.857988] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.858081] R13: 0000000000000010 R14: ff156d8645d5f000 R15: ff156d8641d58500
[   18.858159] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.858238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.858311] CR2: 00007f98023e7bc0 CR3: 000000000193f003 CR4: 0000000000771ef0
[   18.858392] PKRU: 55555554
[   18.858444] Call Trace:
[   18.858496]  <TASK>
[   18.858547]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.858607]  register_netdevice (net/core/dev.c:11488)
[   18.858678]  register_netdev (net/core/dev.c:11552)
[   18.858740]  sit_init_net (net/ipv6/sit.c:1860)
[   18.858804]  ops_init (net/core/net_namespace.c:137)
[   18.858865]  setup_net (net/core/net_namespace.c:446)
[   18.858928]  copy_net_ns (net/core/net_namespace.c:579)
[   18.858992]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.859069]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.859138]  ksys_unshare (kernel/fork.c:3243)
[   18.859199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.859258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.859322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.859394] RIP: 0033:0x7f98023e7bcb
[   18.859456] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.859582] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.859674] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.859751] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.859829] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.859905] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.859983] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.860227] ------------[ cut here ]------------
| [   18.860261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.860317] Modules linked in:
| [   18.860393] Tainted: [W]=WARN
[   18.860415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.860450] Workqueue: netns cleanup_net
[   18.860474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.860501] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.860590] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   18.860619] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.860665] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.860708] RBP: 0000000000000000 R08: ff156d8641908fd0 R09: ff156d864468982c
[   18.860745] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[   18.860785] R13: 0000000000000011 R14: ff156d8645d6b000 R15: ff156d8641d67100
[   18.860826] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.860867] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.860899] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.860938] PKRU: 55555554
[   18.860953] Call Trace:
[   18.860968]  <TASK>
[   18.860983]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.861017]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.861050]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.861072]  cleanup_net (net/core/net_namespace.c:702)
[   18.861094]  process_one_work (kernel/workqueue.c:3314)
[   18.861114]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.861135]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.861157]  kthread (kernel/kthread.c:436)
[   18.861178]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.861198]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.861218]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.861239]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.861408] ------------[ cut here ]------------
| [   18.861470] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/216
| [   18.861557] Modules linked in:
| [   18.861715] Tainted: [W]=WARN
[   18.861777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.861850] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.861914] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.862045] RSP: 0018:ff5eafed002abca8 EFLAGS: 00010286
[   18.862113] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.862190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c100
[   18.862264] RBP: 0000000000000000 R08: ff156d8641926950 R09: ff156d8644686030
[   18.862340] R10: ff156d8644687120 R11: fefefefefefefeff R12: 0000000000000000
[   18.862418] R13: 0000000000000010 R14: ff156d8644687000 R15: ff156d864322c100
[   18.862503] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.862577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.862660] CR2: 00007f98023e7bc0 CR3: 000000000193f003 CR4: 0000000000771ef0
[   18.862746] PKRU: 55555554
[   18.862798] Call Trace:
[   18.862849]  <TASK>
[   18.862902]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.862966]  register_netdevice (net/core/dev.c:11488)
[   18.863036]  register_netdev (net/core/dev.c:11552)
[   18.863098]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.863161]  ops_init (net/core/net_namespace.c:137)
[   18.863221]  setup_net (net/core/net_namespace.c:446)
[   18.863281]  copy_net_ns (net/core/net_namespace.c:579)
[   18.863343]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.863412]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.863478]  ksys_unshare (kernel/fork.c:3243)
[   18.863540]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.863603]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.863671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.863740] RIP: 0033:0x7f98023e7bcb
[   18.863803] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.863926] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.864007] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.864092] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.864172] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.864252] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.864332] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.874970] ------------[ cut here ]------------
| [   18.875060] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/218
| [   18.875151] Modules linked in:
| [   18.875295] Tainted: [W]=WARN
[   18.875349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.875419] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.875488] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.875612] RSP: 0018:ff5eafed00457cb8 EFLAGS: 00010286
[   18.875696] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.875777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58700
[   18.875855] RBP: 0000000000000000 R08: ff156d864447c810 R09: ff156d864317d02c
[   18.875932] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[   18.876010] R13: 0000000000000010 R14: ff156d8645d42000 R15: ff156d8641d58700
[   18.876099] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.876178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.876252] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   18.876335] PKRU: 55555554
[   18.876388] Call Trace:
[   18.876441]  <TASK>
[   18.876494]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.876557]  register_netdevice (net/core/dev.c:11488)
[   18.876618]  register_netdev (net/core/dev.c:11552)
[   18.876688]  loopback_net_init (drivers/net/loopback.c:218)
[   18.876751]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   18.876820]  ops_init (net/core/net_namespace.c:137)
[   18.876880]  setup_net (net/core/net_namespace.c:446)
[   18.876941]  copy_net_ns (net/core/net_namespace.c:579)
[   18.876997]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.877074]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.877143]  ksys_unshare (kernel/fork.c:3243)
[   18.877207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.877267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.877328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.877394] RIP: 0033:0x7f98023e7bcb
[   18.877457] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.877583] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.877664] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.877737] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.877819] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.877898] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.877975] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.878245] ------------[ cut here ]------------
| [   18.878307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/218
| [   18.878393] Modules linked in:
| [   18.878563] Tainted: [W]=WARN
[   18.878625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.878702] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.878769] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.878899] RSP: 0018:ff5eafed00457c10 EFLAGS: 00010286
[   18.878967] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.879058] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c900
[   18.879140] RBP: 0000000000000000 R08: ff156d8641962690 R09: ff156d8645cf9030
[   18.879219] R10: ff156d864317d120 R11: fefefefefefefeff R12: 0000000000000000
[   18.879302] R13: 0000000000000010 R14: ff156d864317d000 R15: ff156d864322c900
[   18.879387] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.879470] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.879546] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   18.879628] PKRU: 55555554
[   18.879686] Call Trace:
[   18.879739]  <TASK>
[   18.879792]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.879852]  register_netdevice (net/core/dev.c:11488)
[   18.879915]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.879979]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.880049]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   18.880113]  ops_init (net/core/net_namespace.c:137)
[   18.880177]  setup_net (net/core/net_namespace.c:446)
[   18.880241]  copy_net_ns (net/core/net_namespace.c:579)
[   18.880309]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.880378]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.880447]  ksys_unshare (kernel/fork.c:3243)
[   18.880509]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.880570]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.880642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.880712] RIP: 0033:0x7f98023e7bcb
[   18.880772] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.880897] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.880976] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.881064] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.881142] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.881220] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.881303] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.881561] ------------[ cut here ]------------
| [   18.881624] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/218
| [   18.881714] Modules linked in:
| [   18.881866] Tainted: [W]=WARN
[   18.881928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.882001] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.882078] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.882211] RSP: 0018:ff5eafed00457bf0 EFLAGS: 00010286
[   18.882276] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.882362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234600
[   18.882441] RBP: 0000000000000000 R08: ff156d864442e5d0 R09: ff156d86432ce830
[   18.882520] R10: ff156d8645ccc120 R11: fefefefefefefeff R12: 0000000000000000
[   18.882602] R13: 0000000000000010 R14: ff156d8645ccc000 R15: ff156d8643234600
[   18.882692] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.882774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.882848] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   18.882929] PKRU: 55555554
[   18.882982] Call Trace:
[   18.883042]  <TASK>
[   18.883096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.883159]  register_netdevice (net/core/dev.c:11488)
[   18.883222]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.883283]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.883347]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.883411]  ops_init (net/core/net_namespace.c:137)
[   18.883472]  setup_net (net/core/net_namespace.c:446)
[   18.883535]  copy_net_ns (net/core/net_namespace.c:579)
[   18.883593]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.883672]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.883742]  ksys_unshare (kernel/fork.c:3243)
[   18.883807]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.883879]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.883945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.884010] RIP: 0033:0x7f98023e7bcb
[   18.884079] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.884206] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.884291] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.884368] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.884445] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.884529] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.884611] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.884879] ------------[ cut here ]------------
| [   18.884946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/218
| [   18.885036] Modules linked in:
| [   18.885188] Tainted: [W]=WARN
[   18.885249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.885322] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.885392] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.885518] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   18.885586] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.885668] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234a00
[   18.885749] RBP: 0000000000000000 R08: ff156d864442e590 R09: ff156d8645d6b034
[   18.885827] R10: ff156d8645d15120 R11: fefefefefefefeff R12: 0000000000000000
[   18.885903] R13: 0000000000000010 R14: ff156d8645d15000 R15: ff156d8643234a00
[   18.885986] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.886074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.886143] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   18.886220] PKRU: 55555554
[   18.886271] Call Trace:
[   18.886321]  <TASK>
[   18.886374]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.886436]  register_netdevice (net/core/dev.c:11488)
[   18.886499]  register_netdev (net/core/dev.c:11552)
[   18.886558]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.886621]  ops_init (net/core/net_namespace.c:137)
[   18.886687]  setup_net (net/core/net_namespace.c:446)
[   18.886751]  copy_net_ns (net/core/net_namespace.c:579)
[   18.886814]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.886879]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.886948]  ksys_unshare (kernel/fork.c:3243)
[   18.887011]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.887079]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.887142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.887212] RIP: 0033:0x7f98023e7bcb
[   18.887271] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.887397] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.887473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.887552] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.887631] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.887719] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.887797] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.888055] ------------[ cut here ]------------
| [   18.888127] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/218
| [   18.888215] Modules linked in:
| [   18.888366] Tainted: [W]=WARN
[   18.888427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.888504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.888573] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.888710] RSP: 0018:ff5eafed00457ca0 EFLAGS: 00010286
[   18.888777] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.888856] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c100
[   18.888934] RBP: 0000000000000000 R08: ff156d864442e690 R09: ff156d864200f030
[   18.889014] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[   18.889098] R13: 0000000000000010 R14: ff156d8645d6b000 R15: ff156d864322c100
[   18.889179] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.889260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.889333] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   18.889420] PKRU: 55555554
[   18.889473] Call Trace:
[   18.889525]  <TASK>
[   18.889577]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.889644]  register_netdevice (net/core/dev.c:11488)
[   18.889708]  register_netdev (net/core/dev.c:11552)
[   18.889767]  sit_init_net (net/ipv6/sit.c:1860)
[   18.889831]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   18.889893]  ops_init (net/core/net_namespace.c:137)
[   18.889957]  setup_net (net/core/net_namespace.c:446)
[   18.890019]  copy_net_ns (net/core/net_namespace.c:579)
[   18.890088]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.890156]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.890226]  ksys_unshare (kernel/fork.c:3243)
[   18.890289]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.890351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.890412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.890479] RIP: 0033:0x7f98023e7bcb
[   18.890541] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.890679] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.890762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.890840] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.890922] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.891002] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.891085] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.891342] ------------[ cut here ]------------
| [   18.891413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/218
| [   18.891501] Modules linked in:
| [   18.891660] Tainted: [W]=WARN
[   18.891721] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.891795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.891860] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.891986] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   18.892059] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.892136] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58100
[   18.892216] RBP: 0000000000000000 R08: ff156d864442e790 R09: ff156d8645d7a030
[   18.892291] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.892371] R13: 0000000000000010 R14: ff156d864200f000 R15: ff156d8641d58100
[   18.892454] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   18.892535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.892608] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   18.892694] PKRU: 55555554
[   18.892744] Call Trace:
[   18.892795]  <TASK>
[   18.892846]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.892908]  register_netdevice (net/core/dev.c:11488)
[   18.892970]  register_netdev (net/core/dev.c:11552)
[   18.893041]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.893104]  ops_init (net/core/net_namespace.c:137)
[   18.893166]  setup_net (net/core/net_namespace.c:446)
[   18.893230]  copy_net_ns (net/core/net_namespace.c:579)
[   18.893290]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.893357]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.893425]  ksys_unshare (kernel/fork.c:3243)
[   18.893488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.893549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.893611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.893682] RIP: 0033:0x7f98023e7bcb
[   18.893741] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.893867] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.893947] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.894037] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.894115] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.894202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.894279] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.905013] ------------[ cut here ]------------
| [   18.905079] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/220
| [   18.905131] Modules linked in:
| [   18.905217] Tainted: [W]=WARN
[   18.905235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.905270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.905299] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.905386] RSP: 0018:ff5eafed0047fcb8 EFLAGS: 00010286
[   18.905417] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.905455] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59f00
[   18.905493] RBP: 0000000000000000 R08: ff156d8642ba0910 R09: ff156d8645ccb02c
[   18.905536] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.905580] R13: 0000000000000010 R14: ff156d864200e000 R15: ff156d8641d59f00
[   18.905618] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   18.905669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.905703] CR2: 00007f98023e7bc0 CR3: 0000000004736002 CR4: 0000000000771ef0
[   18.905745] PKRU: 55555554
[   18.905758] Call Trace:
[   18.905775]  <TASK>
[   18.905790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.905811]  register_netdevice (net/core/dev.c:11488)
[   18.905833]  register_netdev (net/core/dev.c:11552)
[   18.905853]  loopback_net_init (drivers/net/loopback.c:218)
[   18.905875]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   18.905904]  ops_init (net/core/net_namespace.c:137)
[   18.905926]  setup_net (net/core/net_namespace.c:446)
[   18.905947]  copy_net_ns (net/core/net_namespace.c:579)
[   18.905970]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.905997]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.906030]  ksys_unshare (kernel/fork.c:3243)
[   18.906054]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.906074]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.906093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.906122] RIP: 0033:0x7f98023e7bcb
[   18.906143] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.906230] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.906271] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.906315] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.906357] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.906396] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.906436] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.906557] ------------[ cut here ]------------
| [   18.906585] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/220
| [   18.906630] Modules linked in:
| [   18.906710] Tainted: [W]=WARN
[   18.906732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.906766] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.906796] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.906883] RSP: 0018:ff5eafed0047fc10 EFLAGS: 00010286
[   18.906909] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.906948] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d5a000
[   18.906989] RBP: 0000000000000000 R08: ff156d864445ea50 R09: ff156d8645d57830
[   18.907041] R10: ff156d8645ccb120 R11: fefefefefefefeff R12: 0000000000000000
[   18.907087] R13: 0000000000000010 R14: ff156d8645ccb000 R15: ff156d8641d5a000
[   18.907127] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   18.907167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.907204] CR2: 00007f98023e7bc0 CR3: 0000000004736002 CR4: 0000000000771ef0
[   18.907245] PKRU: 55555554
[   18.907260] Call Trace:
[   18.907273]  <TASK>
[   18.907286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.907307]  register_netdevice (net/core/dev.c:11488)
[   18.907328]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.907351]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.907372]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   18.907393]  ops_init (net/core/net_namespace.c:137)
[   18.907414]  setup_net (net/core/net_namespace.c:446)
[   18.907435]  copy_net_ns (net/core/net_namespace.c:579)
[   18.907458]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.907487]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.907513]  ksys_unshare (kernel/fork.c:3243)
[   18.907531]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.907553]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.907574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.907605] RIP: 0033:0x7f98023e7bcb
[   18.907623] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.907716] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.907758] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.907799] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.907838] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.907878] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.907918] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.908063] ------------[ cut here ]------------
| [   18.908093] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/220
| [   18.908139] Modules linked in:
| [   18.908209] Tainted: [W]=WARN
[   18.908235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.908272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.908299] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.908385] RSP: 0018:ff5eafed0047fbf0 EFLAGS: 00010286
[   18.908412] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.908456] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   18.908497] RBP: 0000000000000000 R08: ff156d864191e310 R09: ff156d86432ca830
[   18.908540] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   18.908579] R13: 0000000000000010 R14: ff156d8645d47000 R15: ff156d8641d59100
[   18.908622] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   18.908665] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.908698] CR2: 00007f98023e7bc0 CR3: 0000000004736002 CR4: 0000000000771ef0
[   18.908741] PKRU: 55555554
[   18.908753] Call Trace:
[   18.908769]  <TASK>
[   18.908785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.908806]  register_netdevice (net/core/dev.c:11488)
[   18.908826]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.908846]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.908868]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.908888]  ops_init (net/core/net_namespace.c:137)
[   18.908910]  setup_net (net/core/net_namespace.c:446)
[   18.908931]  copy_net_ns (net/core/net_namespace.c:579)
[   18.908951]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.908979]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.909005]  ksys_unshare (kernel/fork.c:3243)
[   18.909032]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.909052]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.909074]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.909108] RIP: 0033:0x7f98023e7bcb
[   18.909127] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.909218] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.909261] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.909299] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.909338] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.909373] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.909421] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.909536] ------------[ cut here ]------------
| [   18.909562] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/220
| [   18.909611] Modules linked in:
| [   18.909683] Tainted: [W]=WARN
[   18.909701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.909739] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.909765] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.909850] RSP: 0018:ff5eafed0047fca8 EFLAGS: 00010286
[   18.909878] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.909921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   18.909961] RBP: 0000000000000000 R08: ff156d864445e690 R09: ff156d8645d9c034
[   18.910004] R10: ff156d8645d9f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.910050] R13: 0000000000000010 R14: ff156d8645d9f000 R15: ff156d86418f3c00
[   18.910092] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   18.910135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.910166] CR2: 00007f98023e7bc0 CR3: 0000000004736002 CR4: 0000000000771ef0
[   18.910204] PKRU: 55555554
[   18.910218] Call Trace:
[   18.910234]  <TASK>
[   18.910246]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.910265]  register_netdevice (net/core/dev.c:11488)
[   18.910284]  register_netdev (net/core/dev.c:11552)
[   18.910305]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.910327]  ops_init (net/core/net_namespace.c:137)
[   18.910352]  setup_net (net/core/net_namespace.c:446)
[   18.910374]  copy_net_ns (net/core/net_namespace.c:579)
[   18.910396]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.910429]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.910456]  ksys_unshare (kernel/fork.c:3243)
[   18.910477]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.910498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.910519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.910546] RIP: 0033:0x7f98023e7bcb
[   18.910570] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.910662] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.910698] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.910738] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.910776] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.910813] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.910854] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.910983] ------------[ cut here ]------------
| [   18.911011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/220
| [   18.911062] Modules linked in:
| [   18.911144] Tainted: [W]=WARN
[   18.911162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.911193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.911218] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.911308] RSP: 0018:ff5eafed0047fca0 EFLAGS: 00010286
[   18.911335] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.911374] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d5a300
[   18.911413] RBP: 0000000000000000 R08: ff156d8641962f90 R09: ff156d8645d29030
[   18.911453] R10: ff156d8645d9c120 R11: fefefefefefefeff R12: 0000000000000000
[   18.911495] R13: 0000000000000010 R14: ff156d8645d9c000 R15: ff156d8641d5a300
[   18.911535] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   18.911575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.911607] CR2: 00007f98023e7bc0 CR3: 0000000004736002 CR4: 0000000000771ef0
[   18.911653] PKRU: 55555554
[   18.911666] Call Trace:
[   18.911682]  <TASK>
[   18.911697]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.911722]  register_netdevice (net/core/dev.c:11488)
[   18.911749]  register_netdev (net/core/dev.c:11552)
[   18.911770]  sit_init_net (net/ipv6/sit.c:1860)
[   18.911793]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   18.911816]  ops_init (net/core/net_namespace.c:137)
[   18.911836]  setup_net (net/core/net_namespace.c:446)
[   18.911859]  copy_net_ns (net/core/net_namespace.c:579)
[   18.911883]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.911913]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.911940]  ksys_unshare (kernel/fork.c:3243)
[   18.911961]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.911980]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.912002]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.912034] RIP: 0033:0x7f98023e7bcb
[   18.912055] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.912141] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.912185] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.912224] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.912261] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.912298] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.912339] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.912460] ------------[ cut here ]------------
| [   18.912487] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/220
| [   18.912537] Modules linked in:
| [   18.912608] Tainted: [W]=WARN
[   18.912629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.912669] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.912695] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.912783] RSP: 0018:ff5eafed0047fca8 EFLAGS: 00010286
[   18.912811] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.912848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   18.912888] RBP: 0000000000000000 R08: ff156d86419770d0 R09: ff156d8645d13030
[   18.912927] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   18.912966] R13: 0000000000000010 R14: ff156d8645d29000 R15: ff156d8641d59300
[   18.913013] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   18.913054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.913086] CR2: 00007f98023e7bc0 CR3: 0000000004736002 CR4: 0000000000771ef0
[   18.913135] PKRU: 55555554
[   18.913150] Call Trace:
[   18.913162]  <TASK>
[   18.913179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.913201]  register_netdevice (net/core/dev.c:11488)
[   18.913227]  register_netdev (net/core/dev.c:11552)
[   18.913248]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.913270]  ops_init (net/core/net_namespace.c:137)
[   18.913290]  setup_net (net/core/net_namespace.c:446)
[   18.913311]  copy_net_ns (net/core/net_namespace.c:579)
[   18.913331]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.913356]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.913384]  ksys_unshare (kernel/fork.c:3243)
[   18.913406]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.913426]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.913448]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.913473] RIP: 0033:0x7f98023e7bcb
[   18.913492] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.913577] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.913623] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.913668] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.913706] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.913744] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.913782] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.914367] ------------[ cut here ]------------
| [   18.914408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/222
| [   18.914484] Modules linked in:
| [   18.914578] Tainted: [W]=WARN
[   18.914609] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.914646] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.914681] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.914822] RSP: 0018:ff5eafed002abcb8 EFLAGS: 00010286
[   18.914855] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.914907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d86e00
[   18.914964] RBP: 0000000000000000 R08: ff156d864195aa90 R09: ff156d8645cf102c
[   18.915017] R10: ff156d864317e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.915071] R13: 0000000000000010 R14: ff156d864317e000 R15: ff156d8641d86e00
[   18.915115] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.915176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.915219] CR2: 00007f98023e7bc0 CR3: 000000000192f005 CR4: 0000000000771ef0
[   18.915275] PKRU: 55555554
[   18.915291] Call Trace:
[   18.915309]  <TASK>
[   18.915331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.915357]  register_netdevice (net/core/dev.c:11488)
[   18.915388]  register_netdev (net/core/dev.c:11552)
[   18.915407]  loopback_net_init (drivers/net/loopback.c:218)
[   18.915432]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   18.915473]  ops_init (net/core/net_namespace.c:137)
[   18.915508]  setup_net (net/core/net_namespace.c:446)
[   18.915530]  copy_net_ns (net/core/net_namespace.c:579)
[   18.915551]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.915578]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.915616]  ksys_unshare (kernel/fork.c:3243)
[   18.915641]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.915663]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.915686]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.915713] RIP: 0033:0x7f98023e7bcb
[   18.915746] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.915875] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.915913] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.915965] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.916018] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.916080] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.916136] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.916259] ------------[ cut here ]------------
| [   18.916296] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/222
| [   18.916357] Modules linked in:
| [   18.916457] Tainted: [W]=WARN
[   18.916485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.916521] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.916546] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.916655] RSP: 0018:ff5eafed002abc10 EFLAGS: 00010286
[   18.916689] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.916739] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fd00
[   18.916776] RBP: 0000000000000000 R08: ff156d86444337d0 R09: ff156d8645d07030
[   18.916838] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   18.916890] R13: 0000000000000010 R14: ff156d8645cf1000 R15: ff156d8642b5fd00
[   18.916947] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.917010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.917052] CR2: 00007f98023e7bc0 CR3: 000000000192f005 CR4: 0000000000771ef0
[   18.917102] PKRU: 55555554
[   18.917117] Call Trace:
[   18.917139]  <TASK>
[   18.917150]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.917170]  register_netdevice (net/core/dev.c:11488)
[   18.917189]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.917215]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.917234]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   18.917257]  ops_init (net/core/net_namespace.c:137)
[   18.917278]  setup_net (net/core/net_namespace.c:446)
[   18.917309]  copy_net_ns (net/core/net_namespace.c:579)
[   18.917332]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.917367]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.917395]  ksys_unshare (kernel/fork.c:3243)
[   18.917423]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.917443]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.917463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.917509] RIP: 0033:0x7f98023e7bcb
[   18.917531] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.917616] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.917667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.917734] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.917773] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.917833] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.917893] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.918050] ------------[ cut here ]------------
| [   18.918077] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/222
| [   18.918141] Modules linked in:
| [   18.918241] Tainted: [W]=WARN
[   18.918260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.918298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.918329] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.918450] RSP: 0018:ff5eafed002abbf0 EFLAGS: 00010286
[   18.918476] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.918534] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3f00
[   18.918596] RBP: 0000000000000000 R08: ff156d864195ac50 R09: ff156d8645d0b830
[   18.918652] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[   18.918694] R13: 0000000000000010 R14: ff156d8644676000 R15: ff156d86418f3f00
[   18.918751] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.918815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.918859] CR2: 00007f98023e7bc0 CR3: 000000000192f005 CR4: 0000000000771ef0
[   18.918903] PKRU: 55555554
[   18.918923] Call Trace:
[   18.918941]  <TASK>
[   18.918963]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.918982]  register_netdevice (net/core/dev.c:11488)
[   18.919006]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.919043]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.919071]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.919092]  ops_init (net/core/net_namespace.c:137)
[   18.919113]  setup_net (net/core/net_namespace.c:446)
[   18.919151]  copy_net_ns (net/core/net_namespace.c:579)
[   18.919172]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.919199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.919237]  ksys_unshare (kernel/fork.c:3243)
[   18.919256]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.919282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.919318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.919349] RIP: 0033:0x7f98023e7bcb
[   18.919379] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.919493] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.919549] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.919591] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.919632] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.919672] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.919709] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.919849] ------------[ cut here ]------------
| [   18.919887] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/222
| [   18.919957] Modules linked in:
| [   18.920050] Tainted: [W]=WARN
[   18.920075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.920125] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.920157] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.920287] RSP: 0018:ff5eafed002abca8 EFLAGS: 00010286
[   18.920321] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.920373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3500
[   18.920422] RBP: 0000000000000000 R08: ff156d864195ad50 R09: ff156d8645d7d034
[   18.920464] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[   18.920508] R13: 0000000000000010 R14: ff156d8644673000 R15: ff156d86418f3500
[   18.920555] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.920595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.920645] CR2: 00007f98023e7bc0 CR3: 000000000192f005 CR4: 0000000000771ef0
[   18.920707] PKRU: 55555554
[   18.920722] Call Trace:
[   18.920735]  <TASK>
[   18.920751]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.920781]  register_netdevice (net/core/dev.c:11488)
[   18.920815]  register_netdev (net/core/dev.c:11552)
[   18.920841]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.920870]  ops_init (net/core/net_namespace.c:137)
[   18.920890]  setup_net (net/core/net_namespace.c:446)
[   18.920910]  copy_net_ns (net/core/net_namespace.c:579)
[   18.920939]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.920969]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.921004]  ksys_unshare (kernel/fork.c:3243)
[   18.921033]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.921058]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.921090]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.921119] RIP: 0033:0x7f98023e7bcb
[   18.921149] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.921257] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.921315] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.921365] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.921416] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.921476] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.921516] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.921661] ------------[ cut here ]------------
| [   18.921709] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/222
| [   18.921768] Modules linked in:
| [   18.921862] Tainted: [W]=WARN
[   18.921882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.921924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.921954] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.922079] RSP: 0018:ff5eafed002abca0 EFLAGS: 00010286
[   18.922106] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.922142] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3200
[   18.922189] RBP: 0000000000000000 R08: ff156d8641977290 R09: ff156d8645d7f030
[   18.922227] R10: ff156d8645d7d120 R11: fefefefefefefeff R12: 0000000000000000
[   18.922287] R13: 0000000000000010 R14: ff156d8645d7d000 R15: ff156d86418f3200
[   18.922346] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.922414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.922461] CR2: 00007f98023e7bc0 CR3: 000000000192f005 CR4: 0000000000771ef0
[   18.922507] PKRU: 55555554
[   18.922521] Call Trace:
[   18.922537]  <TASK>
[   18.922558]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.922577]  register_netdevice (net/core/dev.c:11488)
[   18.922610]  register_netdev (net/core/dev.c:11552)
[   18.922641]  sit_init_net (net/ipv6/sit.c:1860)
[   18.922663]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   18.922694]  ops_init (net/core/net_namespace.c:137)
[   18.922726]  setup_net (net/core/net_namespace.c:446)
[   18.922760]  copy_net_ns (net/core/net_namespace.c:579)
[   18.922783]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.922808]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.922841]  ksys_unshare (kernel/fork.c:3243)
[   18.922872]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.922894]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.922923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.922964] RIP: 0033:0x7f98023e7bcb
[   18.922983] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.923106] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.923166] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.923221] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.923262] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.923312] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.923360] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.923501] ------------[ cut here ]------------
| [   18.923529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/222
| [   18.923588] Modules linked in:
| [   18.923680] Tainted: [W]=WARN
[   18.923704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.923752] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.923799] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.923944] RSP: 0018:ff5eafed002abca8 EFLAGS: 00010286
[   18.923986] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.924039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f300
[   18.924100] RBP: 0000000000000000 R08: ff156d8641977350 R09: ff156d8645cb1030
[   18.924137] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.924185] R13: 0000000000000010 R14: ff156d8645d7f000 R15: ff156d8642b5f300
[   18.924239] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.924292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.924350] CR2: 00007f98023e7bc0 CR3: 000000000192f005 CR4: 0000000000771ef0
[   18.924394] PKRU: 55555554
[   18.924417] Call Trace:
[   18.924432]  <TASK>
[   18.924448]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.924475]  register_netdevice (net/core/dev.c:11488)
[   18.924505]  register_netdev (net/core/dev.c:11552)
[   18.924533]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.924567]  ops_init (net/core/net_namespace.c:137)
[   18.924586]  setup_net (net/core/net_namespace.c:446)
[   18.924605]  copy_net_ns (net/core/net_namespace.c:579)
[   18.924625]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.924659]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.924693]  ksys_unshare (kernel/fork.c:3243)
[   18.924713]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.924743]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.924763]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.924797] RIP: 0033:0x7f98023e7bcb
[   18.924832] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.924952] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.925001] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.925047] RDX: 0000000000406540 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.925099] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.925144] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.925194] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.925712] ------------[ cut here ]------------
| [   18.925756] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/224
| [   18.925807] Modules linked in:
| [   18.925891] Tainted: [W]=WARN
[   18.925916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.925962] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.926002] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.926106] RSP: 0018:ff5eafed00457cb8 EFLAGS: 00010286
[   18.926134] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.926191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f600
[   18.926241] RBP: 0000000000000000 R08: ff156d8641908c10 R09: ff156d8642f8c02c
[   18.926287] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[   18.926334] R13: 0000000000000010 R14: ff156d8645d5c000 R15: ff156d8642b5f600
[   18.926403] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.926449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.926499] CR2: 00007f98023e7bc0 CR3: 0000000004419001 CR4: 0000000000771ef0
[   18.926536] PKRU: 55555554
[   18.926557] Call Trace:
[   18.926584]  <TASK>
[   18.926603]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.926622]  register_netdevice (net/core/dev.c:11488)
[   18.926656]  register_netdev (net/core/dev.c:11552)
[   18.926678]  loopback_net_init (drivers/net/loopback.c:218)
[   18.926713]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   18.926752]  ops_init (net/core/net_namespace.c:137)
[   18.926783]  setup_net (net/core/net_namespace.c:446)
[   18.926815]  copy_net_ns (net/core/net_namespace.c:579)
[   18.926846]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.926880]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.926918]  ksys_unshare (kernel/fork.c:3243)
[   18.926937]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.926983]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.927003]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.927038] RIP: 0033:0x7f98023e7bcb
[   18.927062] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.927189] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.927243] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.927280] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.927316] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.927352] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.927388] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.927534] ------------[ cut here ]------------
| [   18.927561] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/224
| [   18.927621] Modules linked in:
| [   18.927716] Tainted: [W]=WARN
[   18.927743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.927784] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.927818] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.927916] RSP: 0018:ff5eafed00457c10 EFLAGS: 00010286
[   18.927947] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.928001] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3100
[   18.928050] RBP: 0000000000000000 R08: ff156d86433f64d0 R09: ff156d8644688030
[   18.928088] R10: ff156d8642f8c120 R11: fefefefefefefeff R12: 0000000000000000
[   18.928138] R13: 0000000000000010 R14: ff156d8642f8c000 R15: ff156d86418f3100
[   18.928186] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.928251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.928299] CR2: 00007f98023e7bc0 CR3: 0000000004419001 CR4: 0000000000771ef0
[   18.928336] PKRU: 55555554
[   18.928349] Call Trace:
[   18.928361]  <TASK>
[   18.928384]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.928403]  register_netdevice (net/core/dev.c:11488)
[   18.928431]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.928453]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.928478]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   18.928501]  ops_init (net/core/net_namespace.c:137)
[   18.928536]  setup_net (net/core/net_namespace.c:446)
[   18.928564]  copy_net_ns (net/core/net_namespace.c:579)
[   18.928597]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.928631]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.928660]  ksys_unshare (kernel/fork.c:3243)
[   18.928696]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.928723]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.928752]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.928777] RIP: 0033:0x7f98023e7bcb
[   18.928795] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.928877] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.928912] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.928966] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.929021] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.929086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.929134] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.929273] ------------[ cut here ]------------
| [   18.929300] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/224
| [   18.929364] Modules linked in:
| [   18.929435] Tainted: [W]=WARN
[   18.929460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.929504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.929538] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.929674] RSP: 0018:ff5eafed00457bf0 EFLAGS: 00010286
[   18.929717] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.929776] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fc00
[   18.929822] RBP: 0000000000000000 R08: ff156d86433f66d0 R09: ff156d8645d50830
[   18.929881] R10: ff156d864200d120 R11: fefefefefefefeff R12: 0000000000000000
[   18.929924] R13: 0000000000000010 R14: ff156d864200d000 R15: ff156d8642b5fc00
[   18.929960] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.930011] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.930054] CR2: 00007f98023e7bc0 CR3: 0000000004419001 CR4: 0000000000771ef0
[   18.930125] PKRU: 55555554
[   18.930137] Call Trace:
[   18.930158]  <TASK>
[   18.930189]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.930211]  register_netdevice (net/core/dev.c:11488)
[   18.930232]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   18.930264]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   18.930286]  vti_init_net (net/ipv4/ip_vti.c:517)
[   18.930310]  ops_init (net/core/net_namespace.c:137)
[   18.930343]  setup_net (net/core/net_namespace.c:446)
[   18.930362]  copy_net_ns (net/core/net_namespace.c:579)
[   18.930400]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.930446]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.930497]  ksys_unshare (kernel/fork.c:3243)
[   18.930518]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.930560]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.930580]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.930605] RIP: 0033:0x7f98023e7bcb
[   18.930627] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.930741] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.930797] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.930858] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.930922] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.930963] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.931017] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.931148] ------------[ cut here ]------------
| [   18.931174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/224
| [   18.931251] Modules linked in:
| [   18.931340] Tainted: [W]=WARN
[   18.931359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.931389] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.931413] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.931497] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   18.931533] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.931580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f600
[   18.931626] RBP: 0000000000000000 R08: ff156d86433f6790 R09: ff156d8643178034
[   18.931679] R10: ff156d8645cce120 R11: fefefefefefefeff R12: 0000000000000000
[   18.931745] R13: 0000000000000010 R14: ff156d8645cce000 R15: ff156d8642b5f600
[   18.931784] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.931836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.931875] CR2: 00007f98023e7bc0 CR3: 0000000004419001 CR4: 0000000000771ef0
[   18.931924] PKRU: 55555554
[   18.931938] Call Trace:
[   18.931957]  <TASK>
[   18.931980]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.932013]  register_netdevice (net/core/dev.c:11488)
[   18.932048]  register_netdev (net/core/dev.c:11552)
[   18.932067]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   18.932099]  ops_init (net/core/net_namespace.c:137)
[   18.932127]  setup_net (net/core/net_namespace.c:446)
[   18.932151]  copy_net_ns (net/core/net_namespace.c:579)
[   18.932172]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.932202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.932242]  ksys_unshare (kernel/fork.c:3243)
[   18.932261]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.932287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.932319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.932353] RIP: 0033:0x7f98023e7bcb
[   18.932382] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.932501] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.932554] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.932607] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.932648] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.932689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.932737] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.932884] ------------[ cut here ]------------
| [   18.932919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/224
| [   18.932986] Modules linked in:
| [   18.933079] Tainted: [W]=WARN
[   18.933104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.933143] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.933183] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.933308] RSP: 0018:ff5eafed00457ca0 EFLAGS: 00010286
[   18.933350] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.933409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f200
[   18.933472] RBP: 0000000000000000 R08: ff156d86433f6810 R09: ff156d8645d7e030
[   18.933541] R10: ff156d8643178120 R11: fefefefefefefeff R12: 0000000000000000
[   18.933583] R13: 0000000000000010 R14: ff156d8643178000 R15: ff156d8642b5f200
[   18.933642] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.933683] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.933728] CR2: 00007f98023e7bc0 CR3: 0000000004419001 CR4: 0000000000771ef0
[   18.933776] PKRU: 55555554
[   18.933792] Call Trace:
[   18.933804]  <TASK>
[   18.933826]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.933848]  register_netdevice (net/core/dev.c:11488)
[   18.933872]  register_netdev (net/core/dev.c:11552)
[   18.933890]  sit_init_net (net/ipv6/sit.c:1860)
[   18.933920]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   18.933941]  ops_init (net/core/net_namespace.c:137)
[   18.933971]  setup_net (net/core/net_namespace.c:446)
[   18.933991]  copy_net_ns (net/core/net_namespace.c:579)
[   18.934013]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.934057]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.934081]  ksys_unshare (kernel/fork.c:3243)
[   18.934102]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.934121]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.934144]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.934168] RIP: 0033:0x7f98023e7bcb
[   18.934205] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.934298] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.934353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.934413] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.934451] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.934522] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.934561] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.934675] ------------[ cut here ]------------
| [   18.934705] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: scm_rights/224
| [   18.934769] Modules linked in:
| [   18.934835] Tainted: [W]=WARN
[   18.934853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.934903] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.934949] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.935038] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   18.935065] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.935121] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f300
[   18.935167] RBP: 0000000000000000 R08: ff156d86433f6890 R09: ff156d8645d6e030
[   18.935234] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.935282] R13: 0000000000000010 R14: ff156d8645d7e000 R15: ff156d8642b5f300
[   18.935329] FS:  00007f98022ec740(0000) GS:ff156d86cfac8000(0000) knlGS:0000000000000000
[   18.935381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.935426] CR2: 00007f98023e7bc0 CR3: 0000000004419001 CR4: 0000000000771ef0
[   18.935463] PKRU: 55555554
[   18.935484] Call Trace:
[   18.935508]  <TASK>
[   18.935523]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.935551]  register_netdevice (net/core/dev.c:11488)
[   18.935580]  register_netdev (net/core/dev.c:11552)
[   18.935611]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   18.935642]  ops_init (net/core/net_namespace.c:137)
[   18.935664]  setup_net (net/core/net_namespace.c:446)
[   18.935701]  copy_net_ns (net/core/net_namespace.c:579)
[   18.935723]  create_new_namespaces (kernel/nsproxy.c:132)
[   18.935762]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   18.935803]  ksys_unshare (kernel/fork.c:3243)
[   18.935834]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   18.935864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   18.935885]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.935912] RIP: 0033:0x7f98023e7bcb
[   18.935944] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   18.936031] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   18.936072] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   18.936120] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   18.936184] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   18.936229] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   18.936264] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   18.936404] ------------[ cut here ]------------
| [   18.936436] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.936505] Modules linked in:
| [   18.936576] Tainted: [W]=WARN
[   18.936622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.936656] Workqueue: netns cleanup_net
[   18.936685] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.936731] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.936858] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.936895] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.936931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.936998] RBP: 0000000000000000 R08: ff156d8641977350 R09: ff156d8645cfb830
[   18.937047] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.937085] R13: 0000000000000011 R14: ff156d8645d7f000 R15: ff156d8641d67100
[   18.937146] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.937195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.937228] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.937280] PKRU: 55555554
[   18.937301] Call Trace:
[   18.937330]  <TASK>
[   18.937343]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.937370]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.937392]  cleanup_net (net/core/net_namespace.c:702)
[   18.937426]  process_one_work (kernel/workqueue.c:3314)
[   18.937455]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.937476]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.937506]  kthread (kernel/kthread.c:436)
[   18.937528]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.937556]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.937590]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.937618]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.937760] ------------[ cut here ]------------
| [   18.937785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.937854] Modules linked in:
| [   18.937952] Tainted: [W]=WARN
[   18.937970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.938013] Workqueue: netns cleanup_net
[   18.938036] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.938078] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.938187] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.938225] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.938273] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.938318] RBP: 0000000000000000 R08: ff156d8641977290 R09: ff156d8645d73030
[   18.938371] R10: ff156d8645d7d120 R11: fefefefefefefeff R12: 0000000000000000
[   18.938413] R13: 0000000000000011 R14: ff156d8645d7d000 R15: ff156d8641d67100
[   18.938465] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.938533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.938571] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.938621] PKRU: 55555554
[   18.938639] Call Trace:
[   18.938651]  <TASK>
[   18.938672]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.938709]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.938737]  cleanup_net (net/core/net_namespace.c:702)
[   18.938759]  process_one_work (kernel/workqueue.c:3314)
[   18.938792]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.938811]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.938834]  kthread (kernel/kthread.c:436)
[   18.938866]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.938888]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.938926]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.938945]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.939070] ------------[ cut here ]------------
| [   18.939096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.939155] Modules linked in:
| [   18.939255] Tainted: [W]=WARN
[   18.939273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.939312] Workqueue: netns cleanup_net
[   18.939334] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.939374] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.939459] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.939493] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.939530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.939566] RBP: 0000000000000000 R08: ff156d864195ad50 R09: ff156d86432da834
[   18.939617] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[   18.939663] R13: 0000000000000011 R14: ff156d8644673000 R15: ff156d8641d67100
[   18.939716] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.939778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.939817] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.939877] PKRU: 55555554
[   18.939894] Call Trace:
[   18.939906]  <TASK>
[   18.939919]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.939953]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.939983]  cleanup_net (net/core/net_namespace.c:702)
[   18.940007]  process_one_work (kernel/workqueue.c:3314)
[   18.940031]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.940062]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.940083]  kthread (kernel/kthread.c:436)
[   18.940111]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.940141]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.940162]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.940185]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.940296] ------------[ cut here ]------------
| [   18.940325] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.940383] Modules linked in:
| [   18.940488] Tainted: [W]=WARN
[   18.940518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.940560] Workqueue: netns cleanup_net
[   18.940581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.940622] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.940747] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.940784] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.940825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.940870] RBP: 0000000000000000 R08: ff156d864195ac50 R09: ff156d864467a030
[   18.940924] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[   18.940984] R13: 0000000000000011 R14: ff156d8644676000 R15: ff156d8641d67100
[   18.941033] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.941085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.941123] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.941174] PKRU: 55555554
[   18.941187] Call Trace:
[   18.941205]  <TASK>
[   18.941234]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.941262]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.941287]  cleanup_net (net/core/net_namespace.c:702)
[   18.941322]  process_one_work (kernel/workqueue.c:3314)
[   18.941350]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.941379]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.941417]  kthread (kernel/kthread.c:436)
[   18.941457]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.941477]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.941503]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.941526]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.941647] ------------[ cut here ]------------
| [   18.941680] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.941749] Modules linked in:
| [   18.941837] Tainted: [W]=WARN
[   18.941857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.941906] Workqueue: netns cleanup_net
[   18.941927] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.941961] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.942061] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.942089] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.942144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.942198] RBP: 0000000000000000 R08: ff156d86444337d0 R09: ff156d8645d06830
[   18.942246] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   18.942287] R13: 0000000000000011 R14: ff156d8645cf1000 R15: ff156d8641d67100
[   18.942349] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.942395] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.942452] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.942497] PKRU: 55555554
[   18.942518] Call Trace:
[   18.942541]  <TASK>
[   18.942557]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.942590]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.942619]  cleanup_net (net/core/net_namespace.c:702)
[   18.942641]  process_one_work (kernel/workqueue.c:3314)
[   18.942668]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.942702]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.942725]  kthread (kernel/kthread.c:436)
[   18.942746]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.942783]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.942804]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.942830]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.942963] ------------[ cut here ]------------
| [   18.943007] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.943084] Modules linked in:
| [   18.943156] Tainted: [W]=WARN
[   18.943177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.943209] Workqueue: netns cleanup_net
[   18.943231] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.943256] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.943367] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.943403] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.943448] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.943510] RBP: 0000000000000000 R08: ff156d86419770d0 R09: ff156d8645d4a030
[   18.943559] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   18.943609] R13: 0000000000000011 R14: ff156d8645d29000 R15: ff156d8641d67100
[   18.943660] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.943722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.943755] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.943795] PKRU: 55555554
[   18.943811] Call Trace:
[   18.943827]  <TASK>
[   18.943856]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.943894]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.943930]  cleanup_net (net/core/net_namespace.c:702)
[   18.943959]  process_one_work (kernel/workqueue.c:3314)
[   18.943989]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.944011]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.944041]  kthread (kernel/kthread.c:436)
[   18.944078]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.944098]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.944123]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.944153]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.944273] ------------[ cut here ]------------
| [   18.944318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.944409] Modules linked in:
| [   18.944493] Tainted: [W]=WARN
[   18.944515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.944551] Workqueue: netns cleanup_net
[   18.944581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.944616] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.944730] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.944774] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.944825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.944862] RBP: 0000000000000000 R08: ff156d8641962f90 R09: ff156d8645d19030
[   18.944912] R10: ff156d8645d9c120 R11: fefefefefefefeff R12: 0000000000000000
[   18.944962] R13: 0000000000000011 R14: ff156d8645d9c000 R15: ff156d8641d67100
[   18.945025] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.945075] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.945127] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.945195] PKRU: 55555554
[   18.945209] Call Trace:
[   18.945224]  <TASK>
[   18.945251]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.945288]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.945317]  cleanup_net (net/core/net_namespace.c:702)
[   18.945339]  process_one_work (kernel/workqueue.c:3314)
[   18.945359]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.945379]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.945404]  kthread (kernel/kthread.c:436)
[   18.945426]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.945466]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.945493]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.945528]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.945640] ------------[ cut here ]------------
| [   18.945668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.945728] Modules linked in:
| [   18.945831] Tainted: [W]=WARN
[   18.945861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.945894] Workqueue: netns cleanup_net
[   18.945918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.945956] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.946049] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.946077] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.946130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.946189] RBP: 0000000000000000 R08: ff156d864445e690 R09: ff156d8645d0b034
[   18.946236] R10: ff156d8645d9f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.946289] R13: 0000000000000011 R14: ff156d8645d9f000 R15: ff156d8641d67100
[   18.946357] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.946404] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.946461] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.946508] PKRU: 55555554
[   18.946536] Call Trace:
[   18.946549]  <TASK>
[   18.946561]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.946594]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.946628]  cleanup_net (net/core/net_namespace.c:702)
[   18.946654]  process_one_work (kernel/workqueue.c:3314)
[   18.946683]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.946713]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.946735]  kthread (kernel/kthread.c:436)
[   18.946763]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.946793]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.946813]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.946834]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.946947] ------------[ cut here ]------------
| [   18.946976] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.947039] Modules linked in:
| [   18.947146] Tainted: [W]=WARN
[   18.947176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.947218] Workqueue: netns cleanup_net
[   18.947247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.947275] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.947399] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.947424] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.947480] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.947516] RBP: 0000000000000000 R08: ff156d864191e310 R09: ff156d8645d64030
[   18.947565] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   18.947619] R13: 0000000000000011 R14: ff156d8645d47000 R15: ff156d8641d67100
[   18.947666] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.947706] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.947753] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.947800] PKRU: 55555554
[   18.947830] Call Trace:
[   18.947843]  <TASK>
[   18.947859]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.947900]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.947922]  cleanup_net (net/core/net_namespace.c:702)
[   18.947942]  process_one_work (kernel/workqueue.c:3314)
[   18.947979]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.948006]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.948025]  kthread (kernel/kthread.c:436)
[   18.948051]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.948072]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.948092]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.948113]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.948210] ------------[ cut here ]------------
| [   18.948235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.948289] Modules linked in:
| [   18.948358] Tainted: [W]=WARN
[   18.948380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.948411] Workqueue: netns cleanup_net
[   18.948430] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.948456] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.948543] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.948567] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.948608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.948651] RBP: 0000000000000000 R08: ff156d864445ea50 R09: ff156d8645d0e030
[   18.948693] R10: ff156d8645ccb120 R11: fefefefefefefeff R12: 0000000000000000
[   18.948733] R13: 0000000000000011 R14: ff156d8645ccb000 R15: ff156d8641d67100
[   18.948771] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.948810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.948843] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.948884] PKRU: 55555554
[   18.948899] Call Trace:
[   18.948914]  <TASK>
[   18.948929]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.948953]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.948974]  cleanup_net (net/core/net_namespace.c:702)
[   18.948996]  process_one_work (kernel/workqueue.c:3314)
[   18.949017]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.949043]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.949068]  kthread (kernel/kthread.c:436)
[   18.949095]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.949116]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.949135]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.949157]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.949263] ------------[ cut here ]------------
| [   18.949289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.949339] Modules linked in:
| [   18.949414] Tainted: [W]=WARN
[   18.949431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.949466] Workqueue: netns cleanup_net
[   18.949490] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.949518] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.949607] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.949639] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.949677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.949714] RBP: 0000000000000000 R08: ff156d864442e790 R09: ff156d8645d33830
[   18.949750] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.949786] R13: 0000000000000011 R14: ff156d864200f000 R15: ff156d8641d67100
[   18.949823] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.949866] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.949899] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.949937] PKRU: 55555554
[   18.949952] Call Trace:
[   18.949963]  <TASK>
[   18.949979]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.950005]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.950030]  cleanup_net (net/core/net_namespace.c:702)
[   18.950057]  process_one_work (kernel/workqueue.c:3314)
[   18.950078]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.950099]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.950120]  kthread (kernel/kthread.c:436)
[   18.950141]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.950162]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.950183]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.950207]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.950310] ------------[ cut here ]------------
| [   18.950336] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.950386] Modules linked in:
| [   18.950459] Tainted: [W]=WARN
[   18.950478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.950513] Workqueue: netns cleanup_net
[   18.950534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.950561] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.950651] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.950676] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.950725] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.950761] RBP: 0000000000000000 R08: ff156d864442e690 R09: ff156d8645d09030
[   18.950803] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[   18.950843] R13: 0000000000000011 R14: ff156d8645d6b000 R15: ff156d8641d67100
[   18.950884] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.950926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.950960] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.951002] PKRU: 55555554
[   18.951017] Call Trace:
[   18.951031]  <TASK>
[   18.951047]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.951079]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.951100]  cleanup_net (net/core/net_namespace.c:702)
[   18.951120]  process_one_work (kernel/workqueue.c:3314)
[   18.951139]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.951162]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.951183]  kthread (kernel/kthread.c:436)
[   18.951206]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.951229]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.951250]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.951273]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.951377] ------------[ cut here ]------------
| [   18.951404] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.951454] Modules linked in:
| [   18.951528] Tainted: [W]=WARN
[   18.951546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.951576] Workqueue: netns cleanup_net
[   18.951597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.951622] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.951720] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.951748] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.951787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.951831] RBP: 0000000000000000 R08: ff156d864442e590 R09: ff156d8645d32834
[   18.951867] R10: ff156d8645d15120 R11: fefefefefefefeff R12: 0000000000000000
[   18.951912] R13: 0000000000000011 R14: ff156d8645d15000 R15: ff156d8641d67100
[   18.951953] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.951995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.952029] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.952069] PKRU: 55555554
[   18.952084] Call Trace:
[   18.952096]  <TASK>
[   18.952111]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.952139]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.952160]  cleanup_net (net/core/net_namespace.c:702)
[   18.952181]  process_one_work (kernel/workqueue.c:3314)
[   18.952201]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.952225]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.952247]  kthread (kernel/kthread.c:436)
[   18.952272]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.952294]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.952314]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.952335]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.952430] ------------[ cut here ]------------
| [   18.952456] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.952507] Modules linked in:
| [   18.952577] Tainted: [W]=WARN
[   18.952603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.952632] Workqueue: netns cleanup_net
[   18.952657] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.952687] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.952772] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.952798] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.952838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.952879] RBP: 0000000000000000 R08: ff156d864442e5d0 R09: ff156d8645cc2830
[   18.952920] R10: ff156d8645ccc120 R11: fefefefefefefeff R12: 0000000000000000
[   18.952960] R13: 0000000000000011 R14: ff156d8645ccc000 R15: ff156d8641d67100
[   18.953002] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.953043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.953077] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.953116] PKRU: 55555554
[   18.953130] Call Trace:
[   18.953144]  <TASK>
[   18.953155]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.953182]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.953203]  cleanup_net (net/core/net_namespace.c:702)
[   18.953223]  process_one_work (kernel/workqueue.c:3314)
[   18.953242]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.953263]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.953284]  kthread (kernel/kthread.c:436)
[   18.953306]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.953326]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.953345]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.953366]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.953467] ------------[ cut here ]------------
| [   18.953493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.953548] Modules linked in:
| [   18.953618] Tainted: [W]=WARN
[   18.953641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.953676] Workqueue: netns cleanup_net
[   18.953698] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.953725] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.953827] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.953855] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.953898] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.953937] RBP: 0000000000000000 R08: ff156d8641962690 R09: ff156d8645d82830
[   18.953978] R10: ff156d864317d120 R11: fefefefefefefeff R12: 0000000000000000
[   18.954019] R13: 0000000000000011 R14: ff156d864317d000 R15: ff156d8641d67100
[   18.954061] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.954101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.954134] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.954175] PKRU: 55555554
[   18.954189] Call Trace:
[   18.954203]  <TASK>
[   18.954217]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.954243]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.954263]  cleanup_net (net/core/net_namespace.c:702)
[   18.954285]  process_one_work (kernel/workqueue.c:3314)
[   18.954305]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.954325]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.954345]  kthread (kernel/kthread.c:436)
[   18.954367]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.954387]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.954406]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.954427]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.954529] ------------[ cut here ]------------
| [   18.954555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.954605] Modules linked in:
| [   18.954689] Tainted: [W]=WARN
[   18.954712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.954749] Workqueue: netns cleanup_net
[   18.954775] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.954805] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.954907] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.954931] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.954972] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.955011] RBP: 0000000000000000 R08: ff156d8641926950 R09: ff156d8645d33030
[   18.955055] R10: ff156d8644687120 R11: fefefefefefefeff R12: 0000000000000000
[   18.955094] R13: 0000000000000011 R14: ff156d8644687000 R15: ff156d8641d67100
[   18.955132] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.955171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.955205] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.955242] PKRU: 55555554
[   18.955255] Call Trace:
[   18.955271]  <TASK>
[   18.955283]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.955310]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.955331]  cleanup_net (net/core/net_namespace.c:702)
[   18.955352]  process_one_work (kernel/workqueue.c:3314)
[   18.955371]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.955395]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.955417]  kthread (kernel/kthread.c:436)
[   18.955440]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.955460]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.955485]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.955506]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.955606] ------------[ cut here ]------------
| [   18.955633] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.955690] Modules linked in:
| [   18.955762] Tainted: [W]=WARN
[   18.955782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.955818] Workqueue: netns cleanup_net
[   18.955840] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.955866] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.955953] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.955977] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.956019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.956064] RBP: 0000000000000000 R08: ff156d864449b050 R09: ff156d8645d1a030
[   18.956108] R10: ff156d8645d5f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.956145] R13: 0000000000000011 R14: ff156d8645d5f000 R15: ff156d8641d67100
[   18.956191] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.956232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.956265] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.956306] PKRU: 55555554
[   18.956320] Call Trace:
[   18.956336]  <TASK>
[   18.956351]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.956377]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.956396]  cleanup_net (net/core/net_namespace.c:702)
[   18.956418]  process_one_work (kernel/workqueue.c:3314)
[   18.956436]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.956456]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.956476]  kthread (kernel/kthread.c:436)
[   18.956497]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.956516]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.956537]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.956557]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.956661] ------------[ cut here ]------------
| [   18.956689] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.956739] Modules linked in:
| [   18.956817] Tainted: [W]=WARN
[   18.956838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.956875] Workqueue: netns cleanup_net
[   18.956895] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.956922] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.957009] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.957035] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.957070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.957111] RBP: 0000000000000000 R08: ff156d8641962f50 R09: ff156d8645d56834
[   18.957150] R10: ff156d864317b120 R11: fefefefefefefeff R12: 0000000000000000
[   18.957192] R13: 0000000000000011 R14: ff156d864317b000 R15: ff156d8641d67100
[   18.957233] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.957276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.957308] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.957348] PKRU: 55555554
[   18.957363] Call Trace:
[   18.957375]  <TASK>
[   18.957389]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.957416]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.957439]  cleanup_net (net/core/net_namespace.c:702)
[   18.957459]  process_one_work (kernel/workqueue.c:3314)
[   18.957480]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.957501]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.957519]  kthread (kernel/kthread.c:436)
[   18.957540]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.957560]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.957580]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.957600]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.957696] ------------[ cut here ]------------
| [   18.957722] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.957778] Modules linked in:
| [   18.957849] Tainted: [W]=WARN
[   18.957868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.957901] Workqueue: netns cleanup_net
[   18.957920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.957945] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.958037] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.958063] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.958103] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.958150] RBP: 0000000000000000 R08: ff156d864445ec50 R09: ff156d8645cc7830
[   18.958186] R10: ff156d8645cc8120 R11: fefefefefefefeff R12: 0000000000000000
[   18.958223] R13: 0000000000000011 R14: ff156d8645cc8000 R15: ff156d8641d67100
[   18.958263] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.958307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.958339] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.958379] PKRU: 55555554
[   18.958394] Call Trace:
[   18.958409]  <TASK>
[   18.958422]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.958447]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.958474]  cleanup_net (net/core/net_namespace.c:702)
[   18.958495]  process_one_work (kernel/workqueue.c:3314)
[   18.958516]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.958536]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.958557]  kthread (kernel/kthread.c:436)
[   18.958580]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.958601]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.958626]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.958652]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.958749] ------------[ cut here ]------------
| [   18.958777] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.958827] Modules linked in:
| [   18.958896] Tainted: [W]=WARN
[   18.958917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.958949] Workqueue: netns cleanup_net
[   18.958969] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.958996] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.959083] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   18.959108] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.959161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.959214] RBP: 0000000000000000 R08: ff156d8641944910 R09: ff156d86430f0030
[   18.959253] R10: ff156d8645d16120 R11: fefefefefefefeff R12: 0000000000000000
[   18.959292] R13: 0000000000000011 R14: ff156d8645d16000 R15: ff156d8641d67100
[   18.959339] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.959380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.959413] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.959453] PKRU: 55555554
[   18.959467] Call Trace:
[   18.959480]  <TASK>
[   18.959493]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.959519]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.959539]  cleanup_net (net/core/net_namespace.c:702)
[   18.959559]  process_one_work (kernel/workqueue.c:3314)
[   18.959581]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.959601]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.959621]  kthread (kernel/kthread.c:436)
[   18.959646]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.959668]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.959688]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.959708]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.971141] ------------[ cut here ]------------
| [   18.971198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.971250] Modules linked in:
| [   18.971325] Tainted: [W]=WARN
[   18.971346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.971380] Workqueue: netns cleanup_net
[   18.971404] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.971430] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.971524] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   18.971556] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.971600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.971640] RBP: 0000000000000000 R08: ff156d864195aa90 R09: ff156d8645d0402c
[   18.971681] R10: ff156d864317e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.971726] R13: 0000000000000011 R14: ff156d864317e000 R15: ff156d8641d67100
[   18.971766] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.971809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.971841] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.971881] PKRU: 55555554
[   18.971896] Call Trace:
[   18.971910]  <TASK>
[   18.971923]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.971949]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.971977]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.972001]  cleanup_net (net/core/net_namespace.c:702)
[   18.972021]  process_one_work (kernel/workqueue.c:3314)
[   18.972042]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.972066]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.972086]  kthread (kernel/kthread.c:436)
[   18.972108]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.972130]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.972152]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.972176]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.972284] ------------[ cut here ]------------
| [   18.972312] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.972369] Modules linked in:
| [   18.972439] Tainted: [W]=WARN
[   18.972458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.972488] Workqueue: netns cleanup_net
[   18.972510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.972535] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.972624] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   18.972654] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.972694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.972737] RBP: 0000000000000000 R08: ff156d8642ba0910 R09: ff156d8645d7582c
[   18.972775] R10: ff156d864200e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.972813] R13: 0000000000000011 R14: ff156d864200e000 R15: ff156d8641d67100
[   18.972853] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.972890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.972924] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.972962] PKRU: 55555554
[   18.972977] Call Trace:
[   18.972989]  <TASK>
[   18.973005]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.973037]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.973066]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.973087]  cleanup_net (net/core/net_namespace.c:702)
[   18.973110]  process_one_work (kernel/workqueue.c:3314)
[   18.973131]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.973156]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.973177]  kthread (kernel/kthread.c:436)
[   18.973200]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.973222]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.973244]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.973265]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.973367] ------------[ cut here ]------------
| [   18.973395] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.973444] Modules linked in:
| [   18.973518] Tainted: [W]=WARN
[   18.973535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.973567] Workqueue: netns cleanup_net
[   18.973587] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.973613] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.973720] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   18.973744] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.973781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.973822] RBP: 0000000000000000 R08: ff156d864447c810 R09: ff156d8645d6302c
[   18.973860] R10: ff156d8645d42120 R11: fefefefefefefeff R12: 0000000000000000
[   18.973901] R13: 0000000000000011 R14: ff156d8645d42000 R15: ff156d8641d67100
[   18.973946] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.973992] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.974023] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.974062] PKRU: 55555554
[   18.974077] Call Trace:
[   18.974089]  <TASK>
[   18.974101]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.974139]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.974166]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.974188]  cleanup_net (net/core/net_namespace.c:702)
[   18.974216]  process_one_work (kernel/workqueue.c:3314)
[   18.974237]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.974258]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.974280]  kthread (kernel/kthread.c:436)
[   18.974301]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.974322]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.974345]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.974373]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.974478] ------------[ cut here ]------------
| [   18.974505] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   18.974555] Modules linked in:
| [   18.974630] Tainted: [W]=WARN
[   18.974652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.974696] Workqueue: netns cleanup_net
[   18.974721] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.974751] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.974846] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   18.974871] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.974910] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   18.974950] RBP: 0000000000000000 R08: ff156d8641944850 R09: ff156d8645d3202c
[   18.974989] R10: ff156d8642f8f120 R11: fefefefefefefeff R12: 0000000000000000
[   18.975034] R13: 0000000000000011 R14: ff156d8642f8f000 R15: ff156d8641d67100
[   18.975074] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   18.975116] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.975150] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   18.975193] PKRU: 55555554
[   18.975208] Call Trace:
[   18.975220]  <TASK>
[   18.975236]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.975263]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.975289]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.975311]  cleanup_net (net/core/net_namespace.c:702)
[   18.975333]  process_one_work (kernel/workqueue.c:3314)
[   18.975355]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.975373]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.975394]  kthread (kernel/kthread.c:436)
[   18.975414]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.975433]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.975455]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.975477]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.936744] ------------[ cut here ]------------
| [   19.936835] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   19.936916] Modules linked in:
| [   19.937023] Tainted: [W]=WARN
[   19.937056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.937117] Workqueue: netns cleanup_net
[   19.937143] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.937172] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.937292] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   19.937331] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.937399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   19.937452] RBP: 0000000000000000 R08: ff156d86433f6890 R09: ff156d86432dd030
[   19.937502] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[   19.937550] R13: 0000000000000011 R14: ff156d8645d7e000 R15: ff156d8641d67100
[   19.937612] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   19.937914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.937961] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   19.938001] PKRU: 55555554
[   19.938019] Call Trace:
[   19.938045]  <TASK>
[   19.938062]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.938092]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.938114]  cleanup_net (net/core/net_namespace.c:702)
[   19.938143]  process_one_work (kernel/workqueue.c:3314)
[   19.938171]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.938191]  ? rescuer_thread (kernel/workqueue.c:3672)
[   19.938211]  kthread (kernel/kthread.c:436)
[   19.938247]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.938270]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.938310]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.938331]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.938481] ------------[ cut here ]------------
| [   19.938509] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   19.938586] Modules linked in:
| [   19.938702] Tainted: [W]=WARN
[   19.938736] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.938781] Workqueue: netns cleanup_net
[   19.938805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.938834] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.938955] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   19.938985] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.939030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   19.939087] RBP: 0000000000000000 R08: ff156d86433f6810 R09: ff156d8645d21030
[   19.939126] R10: ff156d8643178120 R11: fefefefefefefeff R12: 0000000000000000
[   19.939181] R13: 0000000000000011 R14: ff156d8643178000 R15: ff156d8641d67100
[   19.939243] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   19.939281] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.939324] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   19.939396] PKRU: 55555554
[   19.939416] Call Trace:
[   19.939432]  <TASK>
[   19.939454]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.939482]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.939504]  cleanup_net (net/core/net_namespace.c:702)
[   19.939532]  process_one_work (kernel/workqueue.c:3314)
[   19.939553]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.939572]  ? rescuer_thread (kernel/workqueue.c:3672)
[   19.939591]  kthread (kernel/kthread.c:436)
[   19.939626]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.939653]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.939677]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.939700]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.939813] ------------[ cut here ]------------
| [   19.939843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   19.939935] Modules linked in:
| [   19.940041] Tainted: [W]=WARN
[   19.940060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.940096] Workqueue: netns cleanup_net
[   19.940117] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.940168] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.940284] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   19.940321] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.940369] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   19.940421] RBP: 0000000000000000 R08: ff156d86433f6790 R09: ff156d8645cef834
[   19.940478] R10: ff156d8645cce120 R11: fefefefefefefeff R12: 0000000000000000
[   19.940521] R13: 0000000000000011 R14: ff156d8645cce000 R15: ff156d8641d67100
[   19.940575] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   19.940625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.940662] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   19.940700] PKRU: 55555554
[   19.940716] Call Trace:
[   19.940738]  <TASK>
[   19.940755]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.940798]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.940820]  cleanup_net (net/core/net_namespace.c:702)
[   19.940852]  process_one_work (kernel/workqueue.c:3314)
[   19.940883]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.940904]  ? rescuer_thread (kernel/workqueue.c:3672)
[   19.940948]  kthread (kernel/kthread.c:436)
[   19.940968]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.940988]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.941019]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.941042]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.941183] ------------[ cut here ]------------
| [   19.941211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   19.941294] Modules linked in:
| [   19.941392] Tainted: [W]=WARN
[   19.941427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.941467] Workqueue: netns cleanup_net
[   19.941502] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.941527] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.941634] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   19.941664] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.941720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   19.941771] RBP: 0000000000000000 R08: ff156d86433f66d0 R09: ff156d8645d53030
[   19.941822] R10: ff156d864200d120 R11: fefefefefefefeff R12: 0000000000000000
[   19.941867] R13: 0000000000000011 R14: ff156d864200d000 R15: ff156d8641d67100
[   19.941921] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   19.941969] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.942013] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   19.942060] PKRU: 55555554
[   19.942080] Call Trace:
[   19.942097]  <TASK>
[   19.942121]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.942155]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.942178]  cleanup_net (net/core/net_namespace.c:702)
[   19.942222]  process_one_work (kernel/workqueue.c:3314)
[   19.942245]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.942281]  ? rescuer_thread (kernel/workqueue.c:3672)
[   19.942308]  kthread (kernel/kthread.c:436)
[   19.942330]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.942351]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.942379]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.942408]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.942504] ------------[ cut here ]------------
| [   19.942552] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   19.942632] Modules linked in:
| [   19.942721] Tainted: [W]=WARN
[   19.942739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.942780] Workqueue: netns cleanup_net
[   19.942803] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.942828] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.942937] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   19.942984] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.943022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   19.943068] RBP: 0000000000000000 R08: ff156d86433f64d0 R09: ff156d864468b830
[   19.943117] R10: ff156d8642f8c120 R11: fefefefefefefeff R12: 0000000000000000
[   19.943161] R13: 0000000000000011 R14: ff156d8642f8c000 R15: ff156d8641d67100
[   19.943217] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   19.943256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.943307] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   19.943357] PKRU: 55555554
[   19.943370] Call Trace:
[   19.943382]  <TASK>
[   19.943395]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.943433]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.943454]  cleanup_net (net/core/net_namespace.c:702)
[   19.943475]  process_one_work (kernel/workqueue.c:3314)
[   19.943494]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.943523]  ? rescuer_thread (kernel/workqueue.c:3672)
[   19.943542]  kthread (kernel/kthread.c:436)
[   19.943562]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.943597]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.943616]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.943643]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.949004] ------------[ cut here ]------------
| [   19.949075] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/226
| [   19.949131] Modules linked in:
| [   19.949216] Tainted: [W]=WARN
[   19.949235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.949270] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.949297] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.949389] RSP: 0018:ff5eafed00487cb8 EFLAGS: 00010286
[   19.949416] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.949454] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59f00
[   19.949494] RBP: 0000000000000000 R08: ff156d8644433ed0 R09: ff156d8645cf102c
[   19.949536] R10: ff156d8645d9f120 R11: fefefefefefefeff R12: 0000000000000000
[   19.949580] R13: 0000000000000010 R14: ff156d8645d9f000 R15: ff156d8641d59f00
[   19.949621] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   19.949667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.949698] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   19.949737] PKRU: 55555554
[   19.949755] Call Trace:
[   19.949772]  <TASK>
[   19.949787]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   19.949809]  register_netdevice (net/core/dev.c:11488)
[   19.949833]  register_netdev (net/core/dev.c:11552)
[   19.949854]  loopback_net_init (drivers/net/loopback.c:218)
[   19.949879]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   19.949908]  ops_init (net/core/net_namespace.c:137)
[   19.949928]  setup_net (net/core/net_namespace.c:446)
[   19.949951]  copy_net_ns (net/core/net_namespace.c:579)
[   19.949973]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.950002]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.950031]  ksys_unshare (kernel/fork.c:3243)
[   19.950053]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.950074]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.950101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.950131] RIP: 0033:0x7f98023e7bcb
[   19.950153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.950248] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.950288] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   19.950331] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   19.950373] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   19.950419] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   19.950461] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   19.950588] ------------[ cut here ]------------
| [   19.950617] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/226
| [   19.950675] Modules linked in:
| [   19.950748] Tainted: [W]=WARN
[   19.950770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.950801] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.950827] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.950915] RSP: 0018:ff5eafed00487c10 EFLAGS: 00010286
[   19.950949] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.950991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326fe00
[   19.951030] RBP: 0000000000000000 R08: ff156d864191e250 R09: ff156d86432cc830
[   19.951068] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   19.951106] R13: 0000000000000010 R14: ff156d8645cf1000 R15: ff156d864326fe00
[   19.951152] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   19.951197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.951230] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   19.951269] PKRU: 55555554
[   19.951284] Call Trace:
[   19.951300]  <TASK>
[   19.951315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   19.951336]  register_netdevice (net/core/dev.c:11488)
[   19.951357]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.951384]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.951405]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   19.951427]  ops_init (net/core/net_namespace.c:137)
[   19.951450]  setup_net (net/core/net_namespace.c:446)
[   19.951471]  copy_net_ns (net/core/net_namespace.c:579)
[   19.951492]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.951521]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.951548]  ksys_unshare (kernel/fork.c:3243)
[   19.951569]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.951591]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.951612]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.951646] RIP: 0033:0x7f98023e7bcb
[   19.951669] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.951756] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.951801] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   19.951841] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   19.951885] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   19.951926] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   19.951969] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   19.952090] ------------[ cut here ]------------
| [   19.952118] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/226
| [   19.952163] Modules linked in:
| [   19.952237] Tainted: [W]=WARN
[   19.952263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.952294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.952322] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.952407] RSP: 0018:ff5eafed00487bf0 EFLAGS: 00010286
[   19.952439] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.952477] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   19.952516] RBP: 0000000000000000 R08: ff156d8641962210 R09: ff156d86430f6030
[   19.952554] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[   19.952594] R13: 0000000000000010 R14: ff156d8644676000 R15: ff156d8641d59100
[   19.952641] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   19.952682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.952714] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   19.952755] PKRU: 55555554
[   19.952770] Call Trace:
[   19.952786]  <TASK>
[   19.952801]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   19.952823]  register_netdevice (net/core/dev.c:11488)
[   19.952844]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.952864]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.952885]  vti_init_net (net/ipv4/ip_vti.c:517)
[   19.952907]  ops_init (net/core/net_namespace.c:137)
[   19.952929]  setup_net (net/core/net_namespace.c:446)
[   19.952950]  copy_net_ns (net/core/net_namespace.c:579)
[   19.952971]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.952997]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.953030]  ksys_unshare (kernel/fork.c:3243)
[   19.953054]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.953075]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.953096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.953123] RIP: 0033:0x7f98023e7bcb
[   19.953144] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.953234] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.953278] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   19.953319] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   19.953357] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   19.953396] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   19.953436] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   19.953554] ------------[ cut here ]------------
| [   19.953587] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/226
| [   19.953633] Modules linked in:
| [   19.953708] Tainted: [W]=WARN
[   19.953728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.953759] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.953785] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.953874] RSP: 0018:ff5eafed00487ca8 EFLAGS: 00010286
[   19.953902] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.953939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   19.953988] RBP: 0000000000000000 R08: ff156d8641962290 R09: ff156d864317a034
[   19.954030] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[   19.954070] R13: 0000000000000010 R14: ff156d8644673000 R15: ff156d86418f3c00
[   19.954110] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   19.954150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.954184] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   19.954226] PKRU: 55555554
[   19.954241] Call Trace:
[   19.954265]  <TASK>
[   19.954281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   19.954304]  register_netdevice (net/core/dev.c:11488)
[   19.954326]  register_netdev (net/core/dev.c:11552)
[   19.954348]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   19.954372]  ops_init (net/core/net_namespace.c:137)
[   19.954392]  setup_net (net/core/net_namespace.c:446)
[   19.954412]  copy_net_ns (net/core/net_namespace.c:579)
[   19.954434]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.954460]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.954488]  ksys_unshare (kernel/fork.c:3243)
[   19.954508]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.954529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.954551]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.954578] RIP: 0033:0x7f98023e7bcb
[   19.954598] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.954690] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.954731] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   19.954770] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   19.954811] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   19.954853] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   19.954892] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   19.955012] ------------[ cut here ]------------
| [   19.955045] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   19.955097] Modules linked in:
| [   19.955168] Tainted: [W]=WARN
[   19.955188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.955220] Workqueue: netns cleanup_net
[   19.955244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.955271] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.955360] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   19.955388] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.955429] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   19.955467] RBP: 0000000000000000 R08: ff156d8641908c10 R09: ff156d864468c82c
[   19.955509] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[   19.955549] R13: 0000000000000011 R14: ff156d8645d5c000 R15: ff156d8641d67100
[   19.955591] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   19.955632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.955670] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   19.955710] PKRU: 55555554
[   19.955725] Call Trace:
[   19.955737]  <TASK>
[   19.955752]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.955781]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.955809]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.955830]  cleanup_net (net/core/net_namespace.c:702)
[   19.955852]  process_one_work (kernel/workqueue.c:3314)
[   19.955874]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.955893]  ? rescuer_thread (kernel/workqueue.c:3672)
[   19.955916]  kthread (kernel/kthread.c:436)
[   19.955938]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.955962]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.955983]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   19.956008]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.956156] ------------[ cut here ]------------
| [   19.956187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/226
| [   19.956234] Modules linked in:
| [   19.956309] Tainted: [W]=WARN
[   19.956336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.956369] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.956395] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.956484] RSP: 0018:ff5eafed00487ca0 EFLAGS: 00010286
[   19.956511] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.956550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f900
[   19.956589] RBP: 0000000000000000 R08: ff156d8641962410 R09: ff156d8645cb7030
[   19.956629] R10: ff156d864317a120 R11: fefefefefefefeff R12: 0000000000000000
[   19.956679] R13: 0000000000000010 R14: ff156d864317a000 R15: ff156d8642b5f900
[   19.956720] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   19.956760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.956794] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   19.956831] PKRU: 55555554
[   19.956847] Call Trace:
[   19.956859]  <TASK>
[   19.956871]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   19.956893]  register_netdevice (net/core/dev.c:11488)
[   19.956915]  register_netdev (net/core/dev.c:11552)
[   19.956935]  sit_init_net (net/ipv6/sit.c:1860)
[   19.956958]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   19.956979]  ops_init (net/core/net_namespace.c:137)
[   19.956998]  setup_net (net/core/net_namespace.c:446)
[   19.957020]  copy_net_ns (net/core/net_namespace.c:579)
[   19.957042]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.957069]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.957094]  ksys_unshare (kernel/fork.c:3243)
[   19.957119]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.957140]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.957160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.957187] RIP: 0033:0x7f98023e7bcb
[   19.957207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.957294] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.957336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   19.957375] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   19.957412] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   19.957451] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   19.957497] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   19.957614] ------------[ cut here ]------------
| [   19.957651] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/226
| [   19.957695] Modules linked in:
| [   19.957769] Tainted: [W]=WARN
[   19.957790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.957820] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.957846] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.957937] RSP: 0018:ff5eafed00487ca8 EFLAGS: 00010286
[   19.957964] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   19.958006] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   19.958050] RBP: 0000000000000000 R08: ff156d8642b53f50 R09: ff156d8645cce030
[   19.958092] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   19.958133] R13: 0000000000000010 R14: ff156d8645cb7000 R15: ff156d8641d59300
[   19.958178] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   19.958219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.958250] CR2: 00007f98023e7bc0 CR3: 000000000192f004 CR4: 0000000000771ef0
[   19.958289] PKRU: 55555554
[   19.958303] Call Trace:
[   19.958319]  <TASK>
[   19.958331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   19.958352]  register_netdevice (net/core/dev.c:11488)
[   19.958373]  register_netdev (net/core/dev.c:11552)
[   19.958393]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   19.958415]  ops_init (net/core/net_namespace.c:137)
[   19.958438]  setup_net (net/core/net_namespace.c:446)
[   19.958459]  copy_net_ns (net/core/net_namespace.c:579)
[   19.958480]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.958508]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.958534]  ksys_unshare (kernel/fork.c:3243)
[   19.958554]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.958574]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.958596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.958620] RIP: 0033:0x7f98023e7bcb
[   19.958649] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.958739] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   19.958783] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   19.958818] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   19.958857] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   19.958898] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   19.958936] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   20.959340] ------------[ cut here ]------------
| [   20.959426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   20.959508] Modules linked in:
| [   20.959631] Tainted: [W]=WARN
[   20.959659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.959705] Workqueue: netns cleanup_net
[   20.959730] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.959763] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.959859] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   20.959913] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.959964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   20.960015] RBP: 0000000000000000 R08: ff156d8642b53f50 R09: ff156d86432d9030
[   20.960081] R10: ff156d8645cb7120 R11: fefefefefefefeff R12: 0000000000000000
[   20.960145] R13: 0000000000000011 R14: ff156d8645cb7000 R15: ff156d8641d67100
[   20.960222] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   20.960271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.960322] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   20.960384] PKRU: 55555554
[   20.960398] Call Trace:
[   20.960412]  <TASK>
[   20.960425]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.960465]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.960490]  cleanup_net (net/core/net_namespace.c:702)
[   20.960526]  process_one_work (kernel/workqueue.c:3314)
[   20.960550]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.960575]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.960596]  kthread (kernel/kthread.c:436)
[   20.960617]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.960638]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.960670]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.960696]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.960822] ------------[ cut here ]------------
| [   20.960859] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   20.960940] Modules linked in:
| [   20.961030] Tainted: [W]=WARN
[   20.961056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.961090] Workqueue: netns cleanup_net
[   20.961112] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.961159] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.961258] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   20.961285] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.961349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   20.961391] RBP: 0000000000000000 R08: ff156d8641962410 R09: ff156d864467e030
[   20.961453] R10: ff156d864317a120 R11: fefefefefefefeff R12: 0000000000000000
[   20.961510] R13: 0000000000000011 R14: ff156d864317a000 R15: ff156d8641d67100
[   20.961553] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   20.961600] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.961645] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   20.961686] PKRU: 55555554
[   20.961716] Call Trace:
[   20.961734]  <TASK>
[   20.961747]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.961775]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.961805]  cleanup_net (net/core/net_namespace.c:702)
[   20.961825]  process_one_work (kernel/workqueue.c:3314)
[   20.961844]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.961871]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.961904]  kthread (kernel/kthread.c:436)
[   20.961927]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.961952]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.961972]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.962014]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.962152] ------------[ cut here ]------------
| [   20.962190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   20.962243] Modules linked in:
| [   20.962341] Tainted: [W]=WARN
[   20.962375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.962415] Workqueue: netns cleanup_net
[   20.962439] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.962488] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.962581] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   20.962632] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.962694] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   20.962744] RBP: 0000000000000000 R08: ff156d8641962290 R09: ff156d8645d04034
[   20.962810] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[   20.962869] R13: 0000000000000011 R14: ff156d8644673000 R15: ff156d8641d67100
[   20.962910] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   20.962968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.963022] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   20.963070] PKRU: 55555554
[   20.963085] Call Trace:
[   20.963101]  <TASK>
[   20.963123]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.963159]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.963193]  cleanup_net (net/core/net_namespace.c:702)
[   20.963216]  process_one_work (kernel/workqueue.c:3314)
[   20.963242]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.963265]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.963284]  kthread (kernel/kthread.c:436)
[   20.963315]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.963338]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.963359]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.963393]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.963500] ------------[ cut here ]------------
| [   20.963537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   20.963595] Modules linked in:
| [   20.963673] Tainted: [W]=WARN
[   20.963692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.963725] Workqueue: netns cleanup_net
[   20.963745] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.963801] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.963918] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   20.963944] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.963993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   20.964038] RBP: 0000000000000000 R08: ff156d8641962210 R09: ff156d8645d54030
[   20.964094] R10: ff156d8644676120 R11: fefefefefefefeff R12: 0000000000000000
[   20.964133] R13: 0000000000000011 R14: ff156d8644676000 R15: ff156d8641d67100
[   20.964180] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   20.964236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.964278] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   20.964328] PKRU: 55555554
[   20.964342] Call Trace:
[   20.964355]  <TASK>
[   20.964376]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.964424]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.964445]  cleanup_net (net/core/net_namespace.c:702)
[   20.964469]  process_one_work (kernel/workqueue.c:3314)
[   20.964495]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.964515]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.964560]  kthread (kernel/kthread.c:436)
[   20.964582]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.964610]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.964638]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.964665]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.964758] ------------[ cut here ]------------
| [   20.964788] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   20.964849] Modules linked in:
| [   20.964939] Tainted: [W]=WARN
[   20.964970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.965013] Workqueue: netns cleanup_net
[   20.965041] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.965089] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.965211] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   20.965247] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.965285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   20.965334] RBP: 0000000000000000 R08: ff156d864191e250 R09: ff156d8645d21830
[   20.965394] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   20.965446] R13: 0000000000000011 R14: ff156d8645cf1000 R15: ff156d8641d67100
[   20.965485] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   20.965541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.965574] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   20.965612] PKRU: 55555554
[   20.965633] Call Trace:
[   20.965666]  <TASK>
[   20.965696]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.965725]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.965756]  cleanup_net (net/core/net_namespace.c:702)
[   20.965778]  process_one_work (kernel/workqueue.c:3314)
[   20.965812]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.965833]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.965851]  kthread (kernel/kthread.c:436)
[   20.965883]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.965907]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.965932]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.965963]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.972204] ------------[ cut here ]------------
| [   20.972265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/228
| [   20.972316] Modules linked in:
| [   20.972394] Tainted: [W]=WARN
[   20.972418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.972452] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.972480] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.972568] RSP: 0018:ff5eafed002abcb8 EFLAGS: 00010286
[   20.972599] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.972649] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59f00
[   20.972691] RBP: 0000000000000000 R08: ff156d8644433e50 R09: ff156d8645d7f02c
[   20.972731] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   20.972771] R13: 0000000000000010 R14: ff156d8645d8e000 R15: ff156d8641d59f00
[   20.972814] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   20.972859] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.972894] CR2: 00007f98023e7bc0 CR3: 0000000004419006 CR4: 0000000000771ef0
[   20.972934] PKRU: 55555554
[   20.972949] Call Trace:
[   20.972961]  <TASK>
[   20.972977]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.972996]  register_netdevice (net/core/dev.c:11488)
[   20.973018]  register_netdev (net/core/dev.c:11552)
[   20.973049]  loopback_net_init (drivers/net/loopback.c:218)
[   20.973073]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   20.973101]  ops_init (net/core/net_namespace.c:137)
[   20.973123]  setup_net (net/core/net_namespace.c:446)
[   20.973144]  copy_net_ns (net/core/net_namespace.c:579)
[   20.973166]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.973194]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.973221]  ksys_unshare (kernel/fork.c:3243)
[   20.973245]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.973271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.973293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.973326] RIP: 0033:0x7f98023e7bcb
[   20.973347] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.973437] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.973476] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   20.973515] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   20.973556] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   20.973596] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   20.973636] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   20.973757] ------------[ cut here ]------------
| [   20.973785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/228
| [   20.973830] Modules linked in:
| [   20.973908] Tainted: [W]=WARN
[   20.973927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.973958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.973985] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.974082] RSP: 0018:ff5eafed002abc10 EFLAGS: 00010286
[   20.974108] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.974153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5fa00
[   20.974194] RBP: 0000000000000000 R08: ff156d864442e0d0 R09: ff156d8644678830
[   20.974240] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[   20.974279] R13: 0000000000000010 R14: ff156d8645d7f000 R15: ff156d8642b5fa00
[   20.974324] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   20.974364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.974396] CR2: 00007f98023e7bc0 CR3: 0000000004419006 CR4: 0000000000771ef0
[   20.974435] PKRU: 55555554
[   20.974456] Call Trace:
[   20.974470]  <TASK>
[   20.974483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.974511]  register_netdevice (net/core/dev.c:11488)
[   20.974532]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.974556]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.974577]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   20.974606]  ops_init (net/core/net_namespace.c:137)
[   20.974626]  setup_net (net/core/net_namespace.c:446)
[   20.974652]  copy_net_ns (net/core/net_namespace.c:579)
[   20.974674]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.974700]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.974727]  ksys_unshare (kernel/fork.c:3243)
[   20.974747]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.974766]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.974787]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.974812] RIP: 0033:0x7f98023e7bcb
[   20.974835] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.974925] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.974965] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   20.975003] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   20.975049] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   20.975088] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   20.975126] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   20.975235] ------------[ cut here ]------------
| [   20.975261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/228
| [   20.975305] Modules linked in:
| [   20.975381] Tainted: [W]=WARN
[   20.975400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.975432] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.975464] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.975562] RSP: 0018:ff5eafed002abbf0 EFLAGS: 00010286
[   20.975590] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.975626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   20.975667] RBP: 0000000000000000 R08: ff156d864445e610 R09: ff156d8645cc6830
[   20.975706] R10: ff156d8645cf2120 R11: fefefefefefefeff R12: 0000000000000000
[   20.975751] R13: 0000000000000010 R14: ff156d8645cf2000 R15: ff156d8641d59100
[   20.975792] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   20.975832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.975865] CR2: 00007f98023e7bc0 CR3: 0000000004419006 CR4: 0000000000771ef0
[   20.975904] PKRU: 55555554
[   20.975919] Call Trace:
[   20.975935]  <TASK>
[   20.975948]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.975974]  register_netdevice (net/core/dev.c:11488)
[   20.975998]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.976019]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.976042]  vti_init_net (net/ipv4/ip_vti.c:517)
[   20.976065]  ops_init (net/core/net_namespace.c:137)
[   20.976087]  setup_net (net/core/net_namespace.c:446)
[   20.976112]  copy_net_ns (net/core/net_namespace.c:579)
[   20.976133]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.976164]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.976189]  ksys_unshare (kernel/fork.c:3243)
[   20.976212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.976233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.976256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.976285] RIP: 0033:0x7f98023e7bcb
[   20.976305] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.976392] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.976430] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   20.976470] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   20.976508] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   20.976548] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   20.976589] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   20.976707] ------------[ cut here ]------------
| [   20.976733] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/228
| [   20.976780] Modules linked in:
| [   20.976854] Tainted: [W]=WARN
[   20.976876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.976905] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.976931] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.977023] RSP: 0018:ff5eafed002abca8 EFLAGS: 00010286
[   20.977057] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.977095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   20.977136] RBP: 0000000000000000 R08: ff156d8641908b10 R09: ff156d8645d5c034
[   20.977176] R10: ff156d864200d120 R11: fefefefefefefeff R12: 0000000000000000
[   20.977219] R13: 0000000000000010 R14: ff156d864200d000 R15: ff156d86418f3c00
[   20.977261] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   20.977306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.977341] CR2: 00007f98023e7bc0 CR3: 0000000004419006 CR4: 0000000000771ef0
[   20.977381] PKRU: 55555554
[   20.977396] Call Trace:
[   20.977411]  <TASK>
[   20.977426]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.977446]  register_netdevice (net/core/dev.c:11488)
[   20.977470]  register_netdev (net/core/dev.c:11552)
[   20.977491]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   20.977515]  ops_init (net/core/net_namespace.c:137)
[   20.977537]  setup_net (net/core/net_namespace.c:446)
[   20.977561]  copy_net_ns (net/core/net_namespace.c:579)
[   20.977588]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.977616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.977646]  ksys_unshare (kernel/fork.c:3243)
[   20.977668]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.977690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.977713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.977737] RIP: 0033:0x7f98023e7bcb
[   20.977755] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.977842] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.977884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   20.977927] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   20.977967] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   20.978009] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   20.978053] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   20.978166] ------------[ cut here ]------------
| [   20.978194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/228
| [   20.978238] Modules linked in:
| [   20.978312] Tainted: [W]=WARN
[   20.978336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.978372] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.978399] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.978488] RSP: 0018:ff5eafed002abca0 EFLAGS: 00010286
[   20.978516] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.978557] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b5f900
[   20.978596] RBP: 0000000000000000 R08: ff156d864197e010 R09: ff156d8645cf4030
[   20.978633] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[   20.978674] R13: 0000000000000010 R14: ff156d8645d5c000 R15: ff156d8642b5f900
[   20.978715] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   20.978754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.978786] CR2: 00007f98023e7bc0 CR3: 0000000004419006 CR4: 0000000000771ef0
[   20.978828] PKRU: 55555554
[   20.978842] Call Trace:
[   20.978862]  <TASK>
[   20.978874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.978899]  register_netdevice (net/core/dev.c:11488)
[   20.978925]  register_netdev (net/core/dev.c:11552)
[   20.978947]  sit_init_net (net/ipv6/sit.c:1860)
[   20.978969]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   20.978996]  ops_init (net/core/net_namespace.c:137)
[   20.979019]  setup_net (net/core/net_namespace.c:446)
[   20.979042]  copy_net_ns (net/core/net_namespace.c:579)
[   20.979066]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.979094]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.979126]  ksys_unshare (kernel/fork.c:3243)
[   20.979152]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.979174]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.979197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.979224] RIP: 0033:0x7f98023e7bcb
[   20.979242] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.979328] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.979366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   20.979404] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   20.979445] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   20.979482] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   20.979519] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   20.979650] ------------[ cut here ]------------
| [   20.979677] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/228
| [   20.979722] Modules linked in:
| [   20.979798] Tainted: [W]=WARN
[   20.979819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.979850] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.979879] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.979970] RSP: 0018:ff5eafed002abca8 EFLAGS: 00010286
[   20.979995] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.980036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   20.980075] RBP: 0000000000000000 R08: ff156d8641977ed0 R09: ff156d8645cc9030
[   20.980115] R10: ff156d8645cf4120 R11: fefefefefefefeff R12: 0000000000000000
[   20.980156] R13: 0000000000000010 R14: ff156d8645cf4000 R15: ff156d8641d59300
[   20.980198] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   20.980239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.980273] CR2: 00007f98023e7bc0 CR3: 0000000004419006 CR4: 0000000000771ef0
[   20.980313] PKRU: 55555554
[   20.980326] Call Trace:
[   20.980339]  <TASK>
[   20.980351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   20.980370]  register_netdevice (net/core/dev.c:11488)
[   20.980392]  register_netdev (net/core/dev.c:11552)
[   20.980414]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   20.980435]  ops_init (net/core/net_namespace.c:137)
[   20.980456]  setup_net (net/core/net_namespace.c:446)
[   20.980479]  copy_net_ns (net/core/net_namespace.c:579)
[   20.980505]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.980532]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.980563]  ksys_unshare (kernel/fork.c:3243)
[   20.980585]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.980608]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.980629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.980658] RIP: 0033:0x7f98023e7bcb
[   20.980680] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.980770] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.980814] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   20.980853] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   20.980893] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   20.980934] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   20.980973] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   20.981119] ------------[ cut here ]------------
| [   20.981147] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   20.981196] Modules linked in:
| [   20.981268] Tainted: [W]=WARN
[   20.981287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.981321] Workqueue: netns cleanup_net
[   20.981341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.981370] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.981461] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   20.981488] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   20.981527] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   20.981566] RBP: 0000000000000000 R08: ff156d8644433ed0 R09: ff156d8645cfa02c
[   20.981609] R10: ff156d8645d9f120 R11: fefefefefefefeff R12: 0000000000000000
[   20.981652] R13: 0000000000000011 R14: ff156d8645d9f000 R15: ff156d8641d67100
[   20.981697] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   20.981739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.981774] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   20.981818] PKRU: 55555554
[   20.981834] Call Trace:
[   20.981847]  <TASK>
[   20.981859]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.981886]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.981912]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.981939]  cleanup_net (net/core/net_namespace.c:702)
[   20.981961]  process_one_work (kernel/workqueue.c:3314)
[   20.981983]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.982008]  ? rescuer_thread (kernel/workqueue.c:3672)
[   20.982032]  kthread (kernel/kthread.c:436)
[   20.982055]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.982077]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.982099]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   20.982122]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.981510] ------------[ cut here ]------------
| [   21.981604] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   21.981685] Modules linked in:
| [   21.981804] Tainted: [W]=WARN
[   21.981837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.981875] Workqueue: netns cleanup_net
[   21.981909] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.981962] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.982105] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   21.982152] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.982218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   21.982279] RBP: 0000000000000000 R08: ff156d8641977ed0 R09: ff156d8645d1e030
[   21.982339] R10: ff156d8645cf4120 R11: fefefefefefefeff R12: 0000000000000000
[   21.982386] R13: 0000000000000011 R14: ff156d8645cf4000 R15: ff156d8641d67100
[   21.982438] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   21.982506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.982557] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   21.982603] PKRU: 55555554
[   21.982625] Call Trace:
[   21.982643]  <TASK>
[   21.982664]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.982700]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.982753]  cleanup_net (net/core/net_namespace.c:702)
[   21.982777]  process_one_work (kernel/workqueue.c:3314)
[   21.982810]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.982843]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.982883]  kthread (kernel/kthread.c:436)
[   21.982907]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.982947]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.982977]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.983008]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.983177] ------------[ cut here ]------------
| [   21.983233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   21.983308] Modules linked in:
| [   21.983409] Tainted: [W]=WARN
[   21.983439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.983477] Workqueue: netns cleanup_net
[   21.983510] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.983540] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.983660] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   21.983718] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.983764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   21.983815] RBP: 0000000000000000 R08: ff156d864197e010 R09: ff156d8645d35030
[   21.983861] R10: ff156d8645d5c120 R11: fefefefefefefeff R12: 0000000000000000
[   21.983905] R13: 0000000000000011 R14: ff156d8645d5c000 R15: ff156d8641d67100
[   21.983962] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   21.984013] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.984078] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   21.984130] PKRU: 55555554
[   21.984161] Call Trace:
[   21.984176]  <TASK>
[   21.984201]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.984236]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.984268]  cleanup_net (net/core/net_namespace.c:702)
[   21.984309]  process_one_work (kernel/workqueue.c:3314)
[   21.984333]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.984366]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.984387]  kthread (kernel/kthread.c:436)
[   21.984409]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.984433]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.984455]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.984495]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.984619] ------------[ cut here ]------------
| [   21.984684] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   21.984748] Modules linked in:
| [   21.984827] Tainted: [W]=WARN
[   21.984860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.984894] Workqueue: netns cleanup_net
[   21.984929] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.984964] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.985064] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   21.985100] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.985144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   21.985209] RBP: 0000000000000000 R08: ff156d8641908b10 R09: ff156d86432cd034
[   21.985257] R10: ff156d864200d120 R11: fefefefefefefeff R12: 0000000000000000
[   21.985304] R13: 0000000000000011 R14: ff156d864200d000 R15: ff156d8641d67100
[   21.985348] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   21.985424] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.985463] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   21.985529] PKRU: 55555554
[   21.985545] Call Trace:
[   21.985559]  <TASK>
[   21.985574]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.985611]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.985645]  cleanup_net (net/core/net_namespace.c:702)
[   21.985670]  process_one_work (kernel/workqueue.c:3314)
[   21.985691]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.985712]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.985734]  kthread (kernel/kthread.c:436)
[   21.985756]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.985778]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.985801]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.985824]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.985931] ------------[ cut here ]------------
| [   21.985963] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   21.986048] Modules linked in:
| [   21.986147] Tainted: [W]=WARN
[   21.986167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.986210] Workqueue: netns cleanup_net
[   21.986242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.986274] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.986374] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   21.986427] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.986473] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   21.986528] RBP: 0000000000000000 R08: ff156d864445e610 R09: ff156d8645cc7030
[   21.986594] R10: ff156d8645cf2120 R11: fefefefefefefeff R12: 0000000000000000
[   21.986638] R13: 0000000000000011 R14: ff156d8645cf2000 R15: ff156d8641d67100
[   21.986700] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   21.986756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.986809] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   21.986854] PKRU: 55555554
[   21.986874] Call Trace:
[   21.986897]  <TASK>
[   21.986912]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.986949]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.986989]  cleanup_net (net/core/net_namespace.c:702)
[   21.987013]  process_one_work (kernel/workqueue.c:3314)
[   21.987035]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.987063]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.987089]  kthread (kernel/kthread.c:436)
[   21.987119]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.987142]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.987163]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.987199]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.987337] ------------[ cut here ]------------
| [   21.987374] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   21.987434] Modules linked in:
| [   21.987531] Tainted: [W]=WARN
[   21.987552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.987599] Workqueue: netns cleanup_net
[   21.987621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.987657] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.987789] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   21.987820] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.987873] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   21.987917] RBP: 0000000000000000 R08: ff156d864442e0d0 R09: ff156d8645ce9030
[   21.987977] R10: ff156d8645d7f120 R11: fefefefefefefeff R12: 0000000000000000
[   21.988019] R13: 0000000000000011 R14: ff156d8645d7f000 R15: ff156d8641d67100
[   21.988071] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   21.988124] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.988167] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   21.988212] PKRU: 55555554
[   21.988227] Call Trace:
[   21.988242]  <TASK>
[   21.988259]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.988304]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.988345]  cleanup_net (net/core/net_namespace.c:702)
[   21.988371]  process_one_work (kernel/workqueue.c:3314)
[   21.988397]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.988418]  ? rescuer_thread (kernel/workqueue.c:3672)
[   21.988458]  kthread (kernel/kthread.c:436)
[   21.988498]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.988521]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.988549]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   21.988573]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.996944] ------------[ cut here ]------------
| [   21.997000] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/230
| [   21.997067] Modules linked in:
| [   21.997158] Tainted: [W]=WARN
[   21.997185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.997219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.997253] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.997353] RSP: 0018:ff5eafed00457cb8 EFLAGS: 00010286
[   21.997382] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.997426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59f00
[   21.997464] RBP: 0000000000000000 R08: ff156d86444b1390 R09: ff156d864200f02c
[   21.997506] R10: ff156d8645d13120 R11: fefefefefefefeff R12: 0000000000000000
[   21.997550] R13: 0000000000000010 R14: ff156d8645d13000 R15: ff156d8641d59f00
[   21.997599] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   21.997653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.997696] CR2: 00007f98023e7bc0 CR3: 0000000005c67001 CR4: 0000000000771ef0
[   21.997741] PKRU: 55555554
[   21.997754] Call Trace:
[   21.997768]  <TASK>
[   21.997785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.997808]  register_netdevice (net/core/dev.c:11488)
[   21.997831]  register_netdev (net/core/dev.c:11552)
[   21.997854]  loopback_net_init (drivers/net/loopback.c:218)
[   21.997879]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   21.997912]  ops_init (net/core/net_namespace.c:137)
[   21.997935]  setup_net (net/core/net_namespace.c:446)
[   21.997957]  copy_net_ns (net/core/net_namespace.c:579)
[   21.997980]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.998010]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.998044]  ksys_unshare (kernel/fork.c:3243)
[   21.998070]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.998093]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.998118]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.998144] RIP: 0033:0x7f98023e7bcb
[   21.998169] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.998269] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.998313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   21.998358] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   21.998401] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   21.998440] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   21.998491] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   21.998620] ------------[ cut here ]------------
| [   21.998652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/230
| [   21.998708] Modules linked in:
| [   21.998794] Tainted: [W]=WARN
[   21.998817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.998861] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.998893] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   21.998996] RSP: 0018:ff5eafed00457c10 EFLAGS: 00010286
[   21.999031] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   21.999074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59800
[   21.999128] RBP: 0000000000000000 R08: ff156d864442e090 R09: ff156d86432db830
[   21.999172] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   21.999213] R13: 0000000000000010 R14: ff156d864200f000 R15: ff156d8641d59800
[   21.999265] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   21.999314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.999351] CR2: 00007f98023e7bc0 CR3: 0000000005c67001 CR4: 0000000000771ef0
[   21.999395] PKRU: 55555554
[   21.999411] Call Trace:
[   21.999427]  <TASK>
[   21.999442]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   21.999467]  register_netdevice (net/core/dev.c:11488)
[   21.999490]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.999515]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.999539]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   21.999563]  ops_init (net/core/net_namespace.c:137)
[   21.999589]  setup_net (net/core/net_namespace.c:446)
[   21.999611]  copy_net_ns (net/core/net_namespace.c:579)
[   21.999633]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.999666]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.999700]  ksys_unshare (kernel/fork.c:3243)
[   21.999721]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.999744]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.999767]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.999794] RIP: 0033:0x7f98023e7bcb
[   21.999818] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.999920] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.999970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   22.000010] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   22.000058] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   22.000102] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   22.000143] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   22.000269] ------------[ cut here ]------------
| [   22.000298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/230
| [   22.000353] Modules linked in:
| [   22.000432] Tainted: [W]=WARN
[   22.000454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.000489] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.000525] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.000630] RSP: 0018:ff5eafed00457bf0 EFLAGS: 00010286
[   22.000660] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.000708] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   22.000757] RBP: 0000000000000000 R08: ff156d8641977f50 R09: ff156d8645d19830
[   22.000800] R10: ff156d8645ccb120 R11: fefefefefefefeff R12: 0000000000000000
[   22.000850] R13: 0000000000000010 R14: ff156d8645ccb000 R15: ff156d8641d59100
[   22.000895] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   22.000941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.000977] CR2: 00007f98023e7bc0 CR3: 0000000005c67001 CR4: 0000000000771ef0
[   22.001022] PKRU: 55555554
[   22.001040] Call Trace:
[   22.001059]  <TASK>
[   22.001074]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.001096]  register_netdevice (net/core/dev.c:11488)
[   22.001118]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.001138]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.001158]  vti_init_net (net/ipv4/ip_vti.c:517)
[   22.001181]  ops_init (net/core/net_namespace.c:137)
[   22.001203]  setup_net (net/core/net_namespace.c:446)
[   22.001224]  copy_net_ns (net/core/net_namespace.c:579)
[   22.001245]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.001275]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.001305]  ksys_unshare (kernel/fork.c:3243)
[   22.001325]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.001345]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.001367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.001394] RIP: 0033:0x7f98023e7bcb
[   22.001417] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.001514] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.001559] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   22.001593] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   22.001639] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   22.001749] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   22.001792] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   22.001952] ------------[ cut here ]------------
| [   22.001980] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/230
| [   22.002038] Modules linked in:
| [   22.002127] Tainted: [W]=WARN
[   22.002149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.002185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.002216] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.002321] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   22.002349] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.002383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   22.002424] RBP: 0000000000000000 R08: ff156d864445ee10 R09: ff156d8645d29034
[   22.002468] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   22.002511] R13: 0000000000000010 R14: ff156d8645d47000 R15: ff156d86418f3c00
[   22.002554] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   22.002596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.002630] CR2: 00007f98023e7bc0 CR3: 0000000005c67001 CR4: 0000000000771ef0
[   22.002677] PKRU: 55555554
[   22.002693] Call Trace:
[   22.002707]  <TASK>
[   22.002722]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.002743]  register_netdevice (net/core/dev.c:11488)
[   22.002764]  register_netdev (net/core/dev.c:11552)
[   22.002785]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   22.002810]  ops_init (net/core/net_namespace.c:137)
[   22.002832]  setup_net (net/core/net_namespace.c:446)
[   22.002854]  copy_net_ns (net/core/net_namespace.c:579)
[   22.002875]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.002905]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.002934]  ksys_unshare (kernel/fork.c:3243)
[   22.002956]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.002980]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.003005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.003035] RIP: 0033:0x7f98023e7bcb
[   22.003058] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.003157] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.003198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   22.003236] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   22.003276] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   22.003319] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   22.003362] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   22.003487] ------------[ cut here ]------------
| [   22.003520] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/230
| [   22.003570] Modules linked in:
| [   22.003653] Tainted: [W]=WARN
[   22.003680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.003719] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.003750] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.003849] RSP: 0018:ff5eafed00457ca0 EFLAGS: 00010286
[   22.003879] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.003921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59a00
[   22.003968] RBP: 0000000000000000 R08: ff156d8641977c90 R09: ff156d8645d28030
[   22.004010] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   22.004055] R13: 0000000000000010 R14: ff156d8645d29000 R15: ff156d8641d59a00
[   22.004098] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   22.004142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.004177] CR2: 00007f98023e7bc0 CR3: 0000000005c67001 CR4: 0000000000771ef0
[   22.004221] PKRU: 55555554
[   22.004235] Call Trace:
[   22.004251]  <TASK>
[   22.004265]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.004288]  register_netdevice (net/core/dev.c:11488)
[   22.004308]  register_netdev (net/core/dev.c:11552)
[   22.004330]  sit_init_net (net/ipv6/sit.c:1860)
[   22.004352]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   22.004374]  ops_init (net/core/net_namespace.c:137)
[   22.004396]  setup_net (net/core/net_namespace.c:446)
[   22.004418]  copy_net_ns (net/core/net_namespace.c:579)
[   22.004442]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.004472]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.004500]  ksys_unshare (kernel/fork.c:3243)
[   22.004521]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.004547]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.004569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.004599] RIP: 0033:0x7f98023e7bcb
[   22.004621] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.004728] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.004771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   22.004819] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   22.004861] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   22.004901] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   22.004939] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   22.005067] ------------[ cut here ]------------
| [   22.005093] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/230
| [   22.005139] Modules linked in:
| [   22.005214] Tainted: [W]=WARN
[   22.005234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.005272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.005303] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.005401] RSP: 0018:ff5eafed00457ca8 EFLAGS: 00010286
[   22.005428] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.005464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   22.005504] RBP: 0000000000000000 R08: ff156d864309d3d0 R09: ff156d8644673030
[   22.005545] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[   22.005584] R13: 0000000000000010 R14: ff156d8645d28000 R15: ff156d8641d59300
[   22.005627] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   22.005674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.005710] CR2: 00007f98023e7bc0 CR3: 0000000005c67001 CR4: 0000000000771ef0
[   22.005751] PKRU: 55555554
[   22.005766] Call Trace:
[   22.005781]  <TASK>
[   22.005796]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   22.005818]  register_netdevice (net/core/dev.c:11488)
[   22.005837]  register_netdev (net/core/dev.c:11552)
[   22.005859]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   22.005883]  ops_init (net/core/net_namespace.c:137)
[   22.005904]  setup_net (net/core/net_namespace.c:446)
[   22.005926]  copy_net_ns (net/core/net_namespace.c:579)
[   22.005948]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.005974]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.006002]  ksys_unshare (kernel/fork.c:3243)
[   22.006030]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.006054]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.006076]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.006099] RIP: 0033:0x7f98023e7bcb
[   22.006118] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   22.006211] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   22.006251] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   22.006292] RDX: 0000000000406580 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   22.006332] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   22.006373] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   22.006413] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   22.006530] ------------[ cut here ]------------
| [   22.006558] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   22.006614] Modules linked in:
| [   22.006693] Tainted: [W]=WARN
[   22.006713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.006750] Workqueue: netns cleanup_net
[   22.006770] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.006801] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   22.006894] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   22.006923] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   22.006965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   22.007005] RBP: 0000000000000000 R08: ff156d8644433e50 R09: ff156d8645cec82c
[   22.007049] R10: ff156d8645d8e120 R11: fefefefefefefeff R12: 0000000000000000
[   22.007091] R13: 0000000000000011 R14: ff156d8645d8e000 R15: ff156d8641d67100
[   22.007134] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   22.007176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.007211] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   22.007254] PKRU: 55555554
[   22.007267] Call Trace:
[   22.007280]  <TASK>
[   22.007293]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   22.007321]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   22.007346]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   22.007368]  cleanup_net (net/core/net_namespace.c:702)
[   22.007389]  process_one_work (kernel/workqueue.c:3314)
[   22.007409]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   22.007431]  ? rescuer_thread (kernel/workqueue.c:3672)
[   22.007453]  kthread (kernel/kthread.c:436)
[   22.007473]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   22.007494]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.007515]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   22.007537]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.006848] ------------[ cut here ]------------
| [   23.006918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.007034] Modules linked in:
| [   23.007123] Tainted: [W]=WARN
[   23.007164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.007204] Workqueue: netns cleanup_net
[   23.007242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.007273] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.007410] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.007437] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.007490] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.007547] RBP: 0000000000000000 R08: ff156d864309d3d0 R09: ff156d8645d23030
[   23.007603] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[   23.007662] R13: 0000000000000011 R14: ff156d8645d28000 R15: ff156d8641d67100
[   23.007723] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.007776] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.007806] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.007842] PKRU: 55555554
[   23.007864] Call Trace:
[   23.007889]  <TASK>
[   23.007900]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.007929]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.007960]  cleanup_net (net/core/net_namespace.c:702)
[   23.007981]  process_one_work (kernel/workqueue.c:3314)
[   23.008007]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.008038]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.008060]  kthread (kernel/kthread.c:436)
[   23.008094]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.008121]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.008145]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.008164]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.008293] ------------[ cut here ]------------
| [   23.008333] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.008383] Modules linked in:
| [   23.008494] Tainted: [W]=WARN
[   23.008513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.008548] Workqueue: netns cleanup_net
[   23.008579] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.008608] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.008732] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.008761] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.008796] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.008852] RBP: 0000000000000000 R08: ff156d8641977c90 R09: ff156d8645d27030
[   23.008903] R10: ff156d8645d29120 R11: fefefefefefefeff R12: 0000000000000000
[   23.008950] R13: 0000000000000011 R14: ff156d8645d29000 R15: ff156d8641d67100
[   23.009005] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.009050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.009102] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.009155] PKRU: 55555554
[   23.009180] Call Trace:
[   23.009191]  <TASK>
[   23.009223]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.009246]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.009275]  cleanup_net (net/core/net_namespace.c:702)
[   23.009301]  process_one_work (kernel/workqueue.c:3314)
[   23.009327]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.009367]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.009391]  kthread (kernel/kthread.c:436)
[   23.009409]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.009440]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.009473]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.009492]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.009604] ------------[ cut here ]------------
| [   23.009636] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.009697] Modules linked in:
| [   23.009787] Tainted: [W]=WARN
[   23.009813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.009857] Workqueue: netns cleanup_net
[   23.009887] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.009915] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.010002] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.010035] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.010075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.010119] RBP: 0000000000000000 R08: ff156d864445ee10 R09: ff156d86432ee034
[   23.010167] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   23.010223] R13: 0000000000000011 R14: ff156d8645d47000 R15: ff156d8641d67100
[   23.010278] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.010325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.010363] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.010407] PKRU: 55555554
[   23.010428] Call Trace:
[   23.010444]  <TASK>
[   23.010458]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.010494]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.010516]  cleanup_net (net/core/net_namespace.c:702)
[   23.010545]  process_one_work (kernel/workqueue.c:3314)
[   23.010577]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.010602]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.010628]  kthread (kernel/kthread.c:436)
[   23.010664]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.010686]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.010721]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.010744]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.010864] ------------[ cut here ]------------
| [   23.010906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.010975] Modules linked in:
| [   23.011070] Tainted: [W]=WARN
[   23.011089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.011117] Workqueue: netns cleanup_net
[   23.011145] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.011182] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.011311] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.011342] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.011392] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.011444] RBP: 0000000000000000 R08: ff156d8641977f50 R09: ff156d8645d0d830
[   23.011483] R10: ff156d8645ccb120 R11: fefefefefefefeff R12: 0000000000000000
[   23.011539] R13: 0000000000000011 R14: ff156d8645ccb000 R15: ff156d8641d67100
[   23.011576] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.011633] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.011669] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.011721] PKRU: 55555554
[   23.011734] Call Trace:
[   23.011749]  <TASK>
[   23.011771]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.011795]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.011833]  cleanup_net (net/core/net_namespace.c:702)
[   23.011860]  process_one_work (kernel/workqueue.c:3314)
[   23.011888]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.011911]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.011930]  kthread (kernel/kthread.c:436)
[   23.011949]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.011977]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.012005]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.012033]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.012179] ------------[ cut here ]------------
| [   23.012208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.012287] Modules linked in:
| [   23.012376] Tainted: [W]=WARN
[   23.012405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.012453] Workqueue: netns cleanup_net
[   23.012475] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.012518] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.012634] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.012677] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.012735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.012773] RBP: 0000000000000000 R08: ff156d864442e090 R09: ff156d86413d0030
[   23.012820] R10: ff156d864200f120 R11: fefefefefefefeff R12: 0000000000000000
[   23.012872] R13: 0000000000000011 R14: ff156d864200f000 R15: ff156d8641d67100
[   23.012946] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.012998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.013038] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.013092] PKRU: 55555554
[   23.013105] Call Trace:
[   23.013116]  <TASK>
[   23.013143]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.013170]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.013197]  cleanup_net (net/core/net_namespace.c:702)
[   23.013224]  process_one_work (kernel/workqueue.c:3314)
[   23.013246]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.013281]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.013311]  kthread (kernel/kthread.c:436)
[   23.013336]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.013366]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.013388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.013409]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.013706] ------------[ cut here ]------------
| [   23.013790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/232
| [   23.013892] Modules linked in:
| [   23.014059] Tainted: [W]=WARN
[   23.014132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.014208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.014293] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.014445] RSP: 0018:ff5eafed0046fcb8 EFLAGS: 00010286
[   23.014524] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.014614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d58700
[   23.014718] RBP: 0000000000000000 R08: ff156d864448e3d0 R09: ff156d8645cca02c
[   23.014803] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[   23.014883] R13: 0000000000000010 R14: ff156d8645d7e000 R15: ff156d8641d58700
[   23.014980] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   23.015101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.015186] CR2: 00007f98023e7bc0 CR3: 0000000005c67005 CR4: 0000000000771ef0
[   23.015271] PKRU: 55555554
[   23.015329] Call Trace:
[   23.015385]  <TASK>
[   23.015440]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.015501]  register_netdevice (net/core/dev.c:11488)
[   23.015567]  register_netdev (net/core/dev.c:11552)
[   23.015639]  loopback_net_init (drivers/net/loopback.c:218)
[   23.015716]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   23.015797]  ops_init (net/core/net_namespace.c:137)
[   23.015862]  setup_net (net/core/net_namespace.c:446)
[   23.015929]  copy_net_ns (net/core/net_namespace.c:579)
[   23.015993]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.016074]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.016165]  ksys_unshare (kernel/fork.c:3243)
[   23.016233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.016297]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.016353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.016434] RIP: 0033:0x7f98023e7bcb
[   23.016498] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.016802] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.016889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.016974] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.017073] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.017156] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.017251] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.017504] ------------[ cut here ]------------
| [   23.017609] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/232
| [   23.017724] Modules linked in:
| [   23.017897] Tainted: [W]=WARN
[   23.017951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.018035] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.018112] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.018277] RSP: 0018:ff5eafed0046fc10 EFLAGS: 00010286
[   23.018356] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.018438] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234800
[   23.018523] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d8643172030
[   23.018615] R10: ff156d8645cca120 R11: fefefefefefefeff R12: 0000000000000000
[   23.018706] R13: 0000000000000010 R14: ff156d8645cca000 R15: ff156d8643234800
[   23.018795] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   23.018884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.018969] CR2: 00007f98023e7bc0 CR3: 0000000005c67005 CR4: 0000000000771ef0
[   23.019063] PKRU: 55555554
[   23.019111] Call Trace:
[   23.019170]  <TASK>
[   23.019225]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.019286]  register_netdevice (net/core/dev.c:11488)
[   23.019352]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.019418]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.019495]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   23.019557]  ops_init (net/core/net_namespace.c:137)
[   23.019616]  setup_net (net/core/net_namespace.c:446)
[   23.019686]  copy_net_ns (net/core/net_namespace.c:579)
[   23.019751]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.019815]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.019877]  ksys_unshare (kernel/fork.c:3243)
[   23.019943]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.020009]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.020075]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.020155] RIP: 0033:0x7f98023e7bcb
[   23.020219] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.020365] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.020470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.020554] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.020631] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.020711] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.020788] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.021033] ------------[ cut here ]------------
| [   23.021096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/232
| [   23.021180] Modules linked in:
| [   23.021327] Tainted: [W]=WARN
[   23.021390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.021459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.021522] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.021662] RSP: 0018:ff5eafed0046fbf0 EFLAGS: 00010286
[   23.021725] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.021800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643234100
[   23.021878] RBP: 0000000000000000 R08: ff156d864195a8d0 R09: ff156d8645d0f030
[   23.021954] R10: ff156d8644672120 R11: fefefefefefefeff R12: 0000000000000000
[   23.022039] R13: 0000000000000010 R14: ff156d8644672000 R15: ff156d8643234100
[   23.022119] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   23.022195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.022264] CR2: 00007f98023e7bc0 CR3: 0000000005c67005 CR4: 0000000000771ef0
[   23.022343] PKRU: 55555554
[   23.022391] Call Trace:
[   23.022439]  <TASK>
[   23.022488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.022544]  register_netdevice (net/core/dev.c:11488)
[   23.022602]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.022665]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.022722]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.022779]  ops_init (net/core/net_namespace.c:137)
[   23.022837]  setup_net (net/core/net_namespace.c:446)
[   23.022893]  copy_net_ns (net/core/net_namespace.c:579)
[   23.022951]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.023014]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.023082]  ksys_unshare (kernel/fork.c:3243)
[   23.023139]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.023195]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.023252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.023316] RIP: 0033:0x7f98023e7bcb
[   23.023372] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.023506] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.023585] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.023672] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.023747] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.023822] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.023898] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.024135] ------------[ cut here ]------------
| [   23.024165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.024222] Modules linked in:
| [   23.024294] Tainted: [W]=WARN
[   23.024316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.024348] Workqueue: netns cleanup_net
[   23.024373] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.024403] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.024504] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   23.024535] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.024573] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.024618] RBP: 0000000000000000 R08: ff156d86444b1390 R09: ff156d86432c302c
[   23.024665] R10: ff156d8645d13120 R11: fefefefefefefeff R12: 0000000000000000
[   23.024709] R13: 0000000000000011 R14: ff156d8645d13000 R15: ff156d8641d67100
[   23.024751] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.024791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.024827] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.024867] PKRU: 55555554
[   23.024882] Call Trace:
[   23.024896]  <TASK>
[   23.024909]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.024937]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.024964]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.024986]  cleanup_net (net/core/net_namespace.c:702)
[   23.025009]  process_one_work (kernel/workqueue.c:3314)
[   23.025033]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.025054]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.025077]  kthread (kernel/kthread.c:436)
[   23.025099]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.025119]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.025140]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.025161]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.025316] ------------[ cut here ]------------
| [   23.025379] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/232
| [   23.025461] Modules linked in:
| [   23.025611] Tainted: [W]=WARN
[   23.025672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.025741] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.025804] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.025937] RSP: 0018:ff5eafed0046fca8 EFLAGS: 00010286
[   23.025999] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.026082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c700
[   23.026159] RBP: 0000000000000000 R08: ff156d86419624d0 R09: ff156d8645d28034
[   23.026237] R10: ff156d8645d8b120 R11: fefefefefefefeff R12: 0000000000000000
[   23.026315] R13: 0000000000000010 R14: ff156d8645d8b000 R15: ff156d864322c700
[   23.026394] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   23.026474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.026544] CR2: 00007f98023e7bc0 CR3: 0000000005c67005 CR4: 0000000000771ef0
[   23.026621] PKRU: 55555554
[   23.026674] Call Trace:
[   23.026723]  <TASK>
[   23.026771]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.026827]  register_netdevice (net/core/dev.c:11488)
[   23.026884]  register_netdev (net/core/dev.c:11552)
[   23.026940]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.026998]  ops_init (net/core/net_namespace.c:137)
[   23.027060]  setup_net (net/core/net_namespace.c:446)
[   23.027117]  copy_net_ns (net/core/net_namespace.c:579)
[   23.027174]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.027238]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.027301]  ksys_unshare (kernel/fork.c:3243)
[   23.027358]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.027415]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.027472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.027534] RIP: 0033:0x7f98023e7bcb
[   23.027589] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.027725] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.027803] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.027880] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.027957] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.028043] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.028120] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.028361] ------------[ cut here ]------------
| [   23.028424] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/232
| [   23.028509] Modules linked in:
| [   23.028664] Tainted: [W]=WARN
[   23.028719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.028788] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.028851] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.028984] RSP: 0018:ff5eafed0046fca0 EFLAGS: 00010286
[   23.029053] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.029129] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322c100
[   23.029207] RBP: 0000000000000000 R08: ff156d8641908c90 R09: ff156d8645cf1030
[   23.029283] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[   23.029361] R13: 0000000000000010 R14: ff156d8645d28000 R15: ff156d864322c100
[   23.029441] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   23.029520] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.029590] CR2: 00007f98023e7bc0 CR3: 0000000005c67005 CR4: 0000000000771ef0
[   23.029675] PKRU: 55555554
[   23.029723] Call Trace:
[   23.029771]  <TASK>
[   23.029820]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.029876]  register_netdevice (net/core/dev.c:11488)
[   23.029932]  register_netdev (net/core/dev.c:11552)
[   23.029988]  sit_init_net (net/ipv6/sit.c:1860)
[   23.030051]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   23.030108]  ops_init (net/core/net_namespace.c:137)
[   23.030166]  setup_net (net/core/net_namespace.c:446)
[   23.030223]  copy_net_ns (net/core/net_namespace.c:579)
[   23.030279]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.030343]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.030407]  ksys_unshare (kernel/fork.c:3243)
[   23.030464]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.030520]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.030577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.030640] RIP: 0033:0x7f98023e7bcb
[   23.030698] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.030831] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.030908] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.030987] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.031069] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.031145] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.031220] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.031493] ------------[ cut here ]------------
| [   23.031557] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: scm_rights/232
| [   23.031642] Modules linked in:
| [   23.031817] Tainted: [W]=WARN
[   23.031871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.031940] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.032003] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.032144] RSP: 0018:ff5eafed0046fca8 EFLAGS: 00010286
[   23.032207] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.032284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8643236e00
[   23.032360] RBP: 0000000000000000 R08: ff156d864197e0d0 R09: ff156d8645d8e030
[   23.032437] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   23.032513] R13: 0000000000000010 R14: ff156d8645cf1000 R15: ff156d8643236e00
[   23.032593] FS:  00007f98022ec740(0000) GS:ff156d86cfb48000(0000) knlGS:0000000000000000
[   23.032679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.032749] CR2: 00007f98023e7bc0 CR3: 0000000005c67005 CR4: 0000000000771ef0
[   23.032831] PKRU: 55555554
[   23.032879] Call Trace:
[   23.032927]  <TASK>
[   23.032975]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.033040]  register_netdevice (net/core/dev.c:11488)
[   23.033097]  register_netdev (net/core/dev.c:11552)
[   23.033153]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.033210]  ops_init (net/core/net_namespace.c:137)
[   23.033267]  setup_net (net/core/net_namespace.c:446)
[   23.033324]  copy_net_ns (net/core/net_namespace.c:579)
[   23.033381]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.033445]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.033509]  ksys_unshare (kernel/fork.c:3243)
[   23.033575]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.033631]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.033692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.033755] RIP: 0033:0x7f98023e7bcb
[   23.033811] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.033943] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.034019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.034101] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.034179] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.034256] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.034358] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.045489] ------------[ cut here ]------------
| [   23.045593] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/234
| [   23.045646] Modules linked in:
| [   23.045743] Tainted: [W]=WARN
[   23.045767] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.045804] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.045836] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.045935] RSP: 0018:ff5eafed00477cb8 EFLAGS: 00010286
[   23.045962] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.046008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59c00
[   23.046056] RBP: 0000000000000000 R08: ff156d864442e410 R09: ff156d8645cf202c
[   23.046100] R10: ff156d8645d5b120 R11: fefefefefefefeff R12: 0000000000000000
[   23.046137] R13: 0000000000000010 R14: ff156d8645d5b000 R15: ff156d8641d59c00
[   23.046177] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.046220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.046254] CR2: 00007f98023e7bc0 CR3: 0000000003243003 CR4: 0000000000771ef0
[   23.046298] PKRU: 55555554
[   23.046314] Call Trace:
[   23.046330]  <TASK>
[   23.046345]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.046367]  register_netdevice (net/core/dev.c:11488)
[   23.046388]  register_netdev (net/core/dev.c:11552)
[   23.046410]  loopback_net_init (drivers/net/loopback.c:218)
[   23.046433]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   23.046461]  ops_init (net/core/net_namespace.c:137)
[   23.046484]  setup_net (net/core/net_namespace.c:446)
[   23.046504]  copy_net_ns (net/core/net_namespace.c:579)
[   23.046525]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.046556]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.046587]  ksys_unshare (kernel/fork.c:3243)
[   23.046610]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.046631]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.046674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.046703] RIP: 0033:0x7f98023e7bcb
[   23.046725] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.046814] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.046857] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.046901] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.046942] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.046984] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.047030] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.047144] ------------[ cut here ]------------
| [   23.047175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/234
| [   23.047225] Modules linked in:
| [   23.047304] Tainted: [W]=WARN
[   23.047325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.047357] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.047389] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.047492] RSP: 0018:ff5eafed00477c10 EFLAGS: 00010286
[   23.047521] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.047563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3400
[   23.047608] RBP: 0000000000000000 R08: ff156d864442e310 R09: ff156d86432ea030
[   23.047654] R10: ff156d8645cf2120 R11: fefefefefefefeff R12: 0000000000000000
[   23.047693] R13: 0000000000000010 R14: ff156d8645cf2000 R15: ff156d86418f3400
[   23.047735] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.047778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.047814] CR2: 00007f98023e7bc0 CR3: 0000000003243003 CR4: 0000000000771ef0
[   23.047859] PKRU: 55555554
[   23.047871] Call Trace:
[   23.047882]  <TASK>
[   23.047896]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.047917]  register_netdevice (net/core/dev.c:11488)
[   23.047935]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.047959]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.047980]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   23.048002]  ops_init (net/core/net_namespace.c:137)
[   23.048023]  setup_net (net/core/net_namespace.c:446)
[   23.048050]  copy_net_ns (net/core/net_namespace.c:579)
[   23.048070]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.048101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.048132]  ksys_unshare (kernel/fork.c:3243)
[   23.048152]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.048174]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.048196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.048224] RIP: 0033:0x7f98023e7bcb
[   23.048249] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.048338] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.048380] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.048423] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.048466] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.048507] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.048551] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.048671] ------------[ cut here ]------------
| [   23.048699] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/234
| [   23.048750] Modules linked in:
| [   23.048824] Tainted: [W]=WARN
[   23.048844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.048879] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.048910] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.049008] RSP: 0018:ff5eafed00477bf0 EFLAGS: 00010286
[   23.049040] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.049080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   23.049116] RBP: 0000000000000000 R08: ff156d86419774d0 R09: ff156d8645d09030
[   23.049156] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[   23.049205] R13: 0000000000000010 R14: ff156d8644673000 R15: ff156d8641d59100
[   23.049248] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.049291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.049326] CR2: 00007f98023e7bc0 CR3: 0000000003243003 CR4: 0000000000771ef0
[   23.049368] PKRU: 55555554
[   23.049383] Call Trace:
[   23.049395]  <TASK>
[   23.049409]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.049432]  register_netdevice (net/core/dev.c:11488)
[   23.049454]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.049474]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.049495]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.049517]  ops_init (net/core/net_namespace.c:137)
[   23.049539]  setup_net (net/core/net_namespace.c:446)
[   23.049558]  copy_net_ns (net/core/net_namespace.c:579)
[   23.049576]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.049604]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.049635]  ksys_unshare (kernel/fork.c:3243)
[   23.049660]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.049681]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.049705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.049731] RIP: 0033:0x7f98023e7bcb
[   23.049750] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.049846] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.049882] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.049922] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.049963] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.050003] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.050046] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.050164] ------------[ cut here ]------------
| [   23.050190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/234
| [   23.050241] Modules linked in:
| [   23.050310] Tainted: [W]=WARN
[   23.050332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.050365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.050395] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.050488] RSP: 0018:ff5eafed00477ca8 EFLAGS: 00010286
[   23.050516] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.050558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   23.050594] RBP: 0000000000000000 R08: ff156d8641962e10 R09: ff156d8645ccb034
[   23.050635] R10: ff156d8645d11120 R11: fefefefefefefeff R12: 0000000000000000
[   23.050675] R13: 0000000000000010 R14: ff156d8645d11000 R15: ff156d86418f3c00
[   23.050718] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.050767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.050801] CR2: 00007f98023e7bc0 CR3: 0000000003243003 CR4: 0000000000771ef0
[   23.050842] PKRU: 55555554
[   23.050861] Call Trace:
[   23.050874]  <TASK>
[   23.050889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.050907]  register_netdevice (net/core/dev.c:11488)
[   23.050928]  register_netdev (net/core/dev.c:11552)
[   23.050950]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.050973]  ops_init (net/core/net_namespace.c:137)
[   23.050994]  setup_net (net/core/net_namespace.c:446)
[   23.051020]  copy_net_ns (net/core/net_namespace.c:579)
[   23.051048]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.051076]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.051103]  ksys_unshare (kernel/fork.c:3243)
[   23.051126]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.051146]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.051164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.051194] RIP: 0033:0x7f98023e7bcb
[   23.051213] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.051307] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.051345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.051385] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.051427] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.051465] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.051506] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.051623] ------------[ cut here ]------------
| [   23.051652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/234
| [   23.051705] Modules linked in:
| [   23.051784] Tainted: [W]=WARN
[   23.051807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.051841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.051871] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.051971] RSP: 0018:ff5eafed00477ca0 EFLAGS: 00010286
[   23.052000] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.052043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59800
[   23.052085] RBP: 0000000000000000 R08: ff156d864444b150 R09: ff156d8645d9e030
[   23.052130] R10: ff156d8645ccb120 R11: fefefefefefefeff R12: 0000000000000000
[   23.052178] R13: 0000000000000010 R14: ff156d8645ccb000 R15: ff156d8641d59800
[   23.052229] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.052271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.052322] CR2: 00007f98023e7bc0 CR3: 0000000003243003 CR4: 0000000000771ef0
[   23.052364] PKRU: 55555554
[   23.052378] Call Trace:
[   23.052392]  <TASK>
[   23.052407]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.052427]  register_netdevice (net/core/dev.c:11488)
[   23.052445]  register_netdev (net/core/dev.c:11552)
[   23.052467]  sit_init_net (net/ipv6/sit.c:1860)
[   23.052490]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   23.052508]  ops_init (net/core/net_namespace.c:137)
[   23.052529]  setup_net (net/core/net_namespace.c:446)
[   23.052550]  copy_net_ns (net/core/net_namespace.c:579)
[   23.052573]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.052601]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.052632]  ksys_unshare (kernel/fork.c:3243)
[   23.052659]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.052686]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.052708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.052738] RIP: 0033:0x7f98023e7bcb
[   23.052759] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.052859] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.052901] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.052943] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.052986] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.053030] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.053074] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.053201] ------------[ cut here ]------------
| [   23.053262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/234
| [   23.053317] Modules linked in:
| [   23.053399] Tainted: [W]=WARN
[   23.053426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.053459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.053489] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.053587] RSP: 0018:ff5eafed00477ca8 EFLAGS: 00010286
[   23.053618] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.053664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   23.053708] RBP: 0000000000000000 R08: ff156d86433f66d0 R09: ff156d8645d58030
[   23.053751] R10: ff156d8645d9e120 R11: fefefefefefefeff R12: 0000000000000000
[   23.053796] R13: 0000000000000010 R14: ff156d8645d9e000 R15: ff156d8641d59300
[   23.053842] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.053883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.053917] CR2: 00007f98023e7bc0 CR3: 0000000003243003 CR4: 0000000000771ef0
[   23.053958] PKRU: 55555554
[   23.053971] Call Trace:
[   23.053984]  <TASK>
[   23.053997]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.054015]  register_netdevice (net/core/dev.c:11488)
[   23.054041]  register_netdev (net/core/dev.c:11552)
[   23.054065]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.054087]  ops_init (net/core/net_namespace.c:137)
[   23.054110]  setup_net (net/core/net_namespace.c:446)
[   23.054133]  copy_net_ns (net/core/net_namespace.c:579)
[   23.054153]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.054179]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.054207]  ksys_unshare (kernel/fork.c:3243)
[   23.054226]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.054248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.054270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.054300] RIP: 0033:0x7f98023e7bcb
[   23.054322] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.054420] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.054454] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.054497] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.054537] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.054579] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.054622] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.065845] ------------[ cut here ]------------
| [   23.065926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/236
| [   23.065978] Modules linked in:
| [   23.066065] Tainted: [W]=WARN
[   23.066087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.066121] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.066151] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.066256] RSP: 0018:ff5eafed0048fcb8 EFLAGS: 00010286
[   23.066297] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.066339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59c00
[   23.066384] RBP: 0000000000000000 R08: ff156d8641977e50 R09: ff156d8645d2a02c
[   23.066428] R10: ff156d8642f8e120 R11: fefefefefefefeff R12: 0000000000000000
[   23.066469] R13: 0000000000000010 R14: ff156d8642f8e000 R15: ff156d8641d59c00
[   23.066512] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.066555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.066591] CR2: 00007f98023e7bc0 CR3: 0000000005c67004 CR4: 0000000000771ef0
[   23.066636] PKRU: 55555554
[   23.066656] Call Trace:
[   23.066672]  <TASK>
[   23.066688]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.066712]  register_netdevice (net/core/dev.c:11488)
[   23.066734]  register_netdev (net/core/dev.c:11552)
[   23.066754]  loopback_net_init (drivers/net/loopback.c:218)
[   23.066777]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   23.066809]  ops_init (net/core/net_namespace.c:137)
[   23.066835]  setup_net (net/core/net_namespace.c:446)
[   23.066856]  copy_net_ns (net/core/net_namespace.c:579)
[   23.066880]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.066912]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.066942]  ksys_unshare (kernel/fork.c:3243)
[   23.066966]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.066989]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.067010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.067045] RIP: 0033:0x7f98023e7bcb
[   23.067069] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.067165] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.067204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.067245] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.067286] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.067323] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.067359] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.067477] ------------[ cut here ]------------
| [   23.067505] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/236
| [   23.067554] Modules linked in:
| [   23.067629] Tainted: [W]=WARN
[   23.067656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.067692] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.067719] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.067812] RSP: 0018:ff5eafed0048fc10 EFLAGS: 00010286
[   23.067839] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.067878] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3600
[   23.067922] RBP: 0000000000000000 R08: ff156d864448e790 R09: ff156d8645cc2030
[   23.067967] R10: ff156d8645d2a120 R11: fefefefefefefeff R12: 0000000000000000
[   23.068008] R13: 0000000000000010 R14: ff156d8645d2a000 R15: ff156d86418f3600
[   23.068055] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.068099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.068134] CR2: 00007f98023e7bc0 CR3: 0000000005c67004 CR4: 0000000000771ef0
[   23.068184] PKRU: 55555554
[   23.068199] Call Trace:
[   23.068213]  <TASK>
[   23.068228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.068251]  register_netdevice (net/core/dev.c:11488)
[   23.068270]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.068288]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.068312]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   23.068333]  ops_init (net/core/net_namespace.c:137)
[   23.068352]  setup_net (net/core/net_namespace.c:446)
[   23.068372]  copy_net_ns (net/core/net_namespace.c:579)
[   23.068392]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.068423]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.068451]  ksys_unshare (kernel/fork.c:3243)
[   23.068469]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.068487]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.068508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.068534] RIP: 0033:0x7f98023e7bcb
[   23.068554] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.068646] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.068696] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.068740] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.068781] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.068826] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.068868] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.068990] ------------[ cut here ]------------
| [   23.069053] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/236
| [   23.069101] Modules linked in:
| [   23.069187] Tainted: [W]=WARN
[   23.069208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.069242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.069267] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.069368] RSP: 0018:ff5eafed0048fbf0 EFLAGS: 00010286
[   23.069397] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.069438] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59100
[   23.069486] RBP: 0000000000000000 R08: ff156d86433f6790 R09: ff156d8645d76030
[   23.069527] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   23.069571] R13: 0000000000000010 R14: ff156d8645d14000 R15: ff156d8641d59100
[   23.069618] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.069669] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.069703] CR2: 00007f98023e7bc0 CR3: 0000000005c67004 CR4: 0000000000771ef0
[   23.069747] PKRU: 55555554
[   23.069761] Call Trace:
[   23.069775]  <TASK>
[   23.069788]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.069811]  register_netdevice (net/core/dev.c:11488)
[   23.069834]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.069856]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.069878]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.069900]  ops_init (net/core/net_namespace.c:137)
[   23.069924]  setup_net (net/core/net_namespace.c:446)
[   23.069946]  copy_net_ns (net/core/net_namespace.c:579)
[   23.069971]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.069997]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.070029]  ksys_unshare (kernel/fork.c:3243)
[   23.070053]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.070083]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.070106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.070134] RIP: 0033:0x7f98023e7bcb
[   23.070155] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.070246] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.070287] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.070330] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.070367] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.070406] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.070446] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.070568] ------------[ cut here ]------------
| [   23.070601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/236
| [   23.070671] Modules linked in:
| [   23.070784] Tainted: [W]=WARN
[   23.070805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.070838] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.070868] 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
[   23.070961] RSP: 0018:ff5eafed0048fca8 EFLAGS: 00010286
[   23.070990] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.071036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d86418f3c00
[   23.071079] RBP: 0000000000000000 R08: ff156d86433f6810 R09: ff156d8645cb0034
[   23.071116] R10: ff156d8644671120 R11: fefefefefefefeff R12: 0000000000000000
[   23.071156] R13: 0000000000000010 R14: ff156d8644671000 R15: ff156d86418f3c00
[   23.071198] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.071237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.071274] CR2: 00007f98023e7bc0 CR3: 0000000005c67004 CR4: 0000000000771ef0
[   23.071313] PKRU: 55555554
[   23.071326] Call Trace:
[   23.071338]  <TASK>
[   23.071353]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.071376]  register_netdevice (net/core/dev.c:11488)
[   23.071399]  register_netdev (net/core/dev.c:11552)
[   23.071419]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.071440]  ops_init (net/core/net_namespace.c:137)
[   23.071463]  setup_net (net/core/net_namespace.c:446)
[   23.071485]  copy_net_ns (net/core/net_namespace.c:579)
[   23.071506]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.071538]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.071564]  ksys_unshare (kernel/fork.c:3243)
[   23.071587]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.071607]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.071635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.071672] RIP: 0033:0x7f98023e7bcb
[   23.071690] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.071788] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.071827] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.071870] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.071909] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.071950] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.071990] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.072120] ------------[ cut here ]------------
| [   23.072150] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.072209] Modules linked in:
| [   23.072291] Tainted: [W]=WARN
[   23.072312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.072347] Workqueue: netns cleanup_net
[   23.072366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.072394] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.072494] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.072522] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.072563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.072603] RBP: 0000000000000000 R08: ff156d86433f66d0 R09: ff156d8645d4a030
[   23.072641] R10: ff156d8645d9e120 R11: fefefefefefefeff R12: 0000000000000000
[   23.072679] R13: 0000000000000011 R14: ff156d8645d9e000 R15: ff156d8641d67100
[   23.072724] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.072769] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.072799] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.072844] PKRU: 55555554
[   23.072859] Call Trace:
[   23.072871]  <TASK>
[   23.072885]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.072912]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.072935]  cleanup_net (net/core/net_namespace.c:702)
[   23.072956]  process_one_work (kernel/workqueue.c:3314)
[   23.072975]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.072999]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.073018]  kthread (kernel/kthread.c:436)
[   23.073041]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.073064]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.073085]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.073107]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.073204] ------------[ cut here ]------------
| [   23.073230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.073281] Modules linked in:
| [   23.073354] Tainted: [W]=WARN
[   23.073376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.073410] Workqueue: netns cleanup_net
[   23.073435] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.073465] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.073560] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.073589] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.073634] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.073676] RBP: 0000000000000000 R08: ff156d864444b150 R09: ff156d8645d0b030
[   23.073718] R10: ff156d8645ccb120 R11: fefefefefefefeff R12: 0000000000000000
[   23.073758] R13: 0000000000000011 R14: ff156d8645ccb000 R15: ff156d8641d67100
[   23.073796] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.073839] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.073873] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.073913] PKRU: 55555554
[   23.073928] Call Trace:
[   23.073940]  <TASK>
[   23.073956]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.073979]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.074001]  cleanup_net (net/core/net_namespace.c:702)
[   23.074024]  process_one_work (kernel/workqueue.c:3314)
[   23.074052]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.074071]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.074092]  kthread (kernel/kthread.c:436)
[   23.074114]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.074135]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.074158]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.074181]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.074274] ------------[ cut here ]------------
| [   23.074306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.074366] Modules linked in:
| [   23.074438] Tainted: [W]=WARN
[   23.074457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.074494] Workqueue: netns cleanup_net
[   23.074516] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.074542] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.074639] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.074670] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.074712] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.074756] RBP: 0000000000000000 R08: ff156d8641962e10 R09: ff156d8645d35834
[   23.074792] R10: ff156d8645d11120 R11: fefefefefefefeff R12: 0000000000000000
[   23.074830] R13: 0000000000000011 R14: ff156d8645d11000 R15: ff156d8641d67100
[   23.074870] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.074907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.074942] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.074987] PKRU: 55555554
[   23.075000] Call Trace:
[   23.075019]  <TASK>
[   23.075037]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.075067]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.075088]  cleanup_net (net/core/net_namespace.c:702)
[   23.075109]  process_one_work (kernel/workqueue.c:3314)
[   23.075130]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.075150]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.075171]  kthread (kernel/kthread.c:436)
[   23.075193]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.075211]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.075229]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.075249]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.075337] ------------[ cut here ]------------
| [   23.075363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.075412] Modules linked in:
| [   23.075492] Tainted: [W]=WARN
[   23.075514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.075545] Workqueue: netns cleanup_net
[   23.075566] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.075593] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.075693] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.075725] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.075764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.075806] RBP: 0000000000000000 R08: ff156d86419774d0 R09: ff156d8645d32830
[   23.075852] R10: ff156d8644673120 R11: fefefefefefefeff R12: 0000000000000000
[   23.075893] R13: 0000000000000011 R14: ff156d8644673000 R15: ff156d8641d67100
[   23.075937] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.075981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.076017] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.076063] PKRU: 55555554
[   23.076079] Call Trace:
[   23.076091]  <TASK>
[   23.076105]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.076131]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.076152]  cleanup_net (net/core/net_namespace.c:702)
[   23.076173]  process_one_work (kernel/workqueue.c:3314)
[   23.076194]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.076220]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.076243]  kthread (kernel/kthread.c:436)
[   23.076263]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.076285]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.076303]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.076323]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.076410] ------------[ cut here ]------------
| [   23.076435] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.076488] Modules linked in:
| [   23.076563] Tainted: [W]=WARN
[   23.076585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.076618] Workqueue: netns cleanup_net
[   23.076640] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.076677] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.076771] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.076799] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.076840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.076881] RBP: 0000000000000000 R08: ff156d864442e310 R09: ff156d8645d82830
[   23.076922] R10: ff156d8645cf2120 R11: fefefefefefefeff R12: 0000000000000000
[   23.076961] R13: 0000000000000011 R14: ff156d8645cf2000 R15: ff156d8641d67100
[   23.077005] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.077050] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.077084] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.077122] PKRU: 55555554
[   23.077134] Call Trace:
[   23.077148]  <TASK>
[   23.077163]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.077192]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.077213]  cleanup_net (net/core/net_namespace.c:702)
[   23.077236]  process_one_work (kernel/workqueue.c:3314)
[   23.077259]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.077282]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.077303]  kthread (kernel/kthread.c:436)
[   23.077325]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.077348]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.077369]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.077390]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.077485] ------------[ cut here ]------------
| [   23.077511] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.077559] Modules linked in:
| [   23.077629] Tainted: [W]=WARN
[   23.077652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.077685] Workqueue: netns cleanup_net
[   23.077705] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.077732] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.077826] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.077858] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.077895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.077938] RBP: 0000000000000000 R08: ff156d864197e0d0 R09: ff156d8645d04830
[   23.077978] R10: ff156d8645cf1120 R11: fefefefefefefeff R12: 0000000000000000
[   23.078019] R13: 0000000000000011 R14: ff156d8645cf1000 R15: ff156d8641d67100
[   23.078064] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.078107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.078141] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.078186] PKRU: 55555554
[   23.078201] Call Trace:
[   23.078213]  <TASK>
[   23.078228]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.078256]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.078279]  cleanup_net (net/core/net_namespace.c:702)
[   23.078301]  process_one_work (kernel/workqueue.c:3314)
[   23.078321]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.078341]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.078361]  kthread (kernel/kthread.c:436)
[   23.078381]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.078401]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.078423]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.078446]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.078540] ------------[ cut here ]------------
| [   23.078565] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.078626] Modules linked in:
| [   23.078799] Tainted: [W]=WARN
[   23.078818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.078849] Workqueue: netns cleanup_net
[   23.078875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.078907] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.079007] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.079036] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.079074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.079114] RBP: 0000000000000000 R08: ff156d8641908c90 R09: ff156d8645d1f030
[   23.079153] R10: ff156d8645d28120 R11: fefefefefefefeff R12: 0000000000000000
[   23.079191] R13: 0000000000000011 R14: ff156d8645d28000 R15: ff156d8641d67100
[   23.079232] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.079274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.079306] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.079347] PKRU: 55555554
[   23.079363] Call Trace:
[   23.079377]  <TASK>
[   23.079392]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.079420]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.079441]  cleanup_net (net/core/net_namespace.c:702)
[   23.079461]  process_one_work (kernel/workqueue.c:3314)
[   23.079483]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.079506]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.079526]  kthread (kernel/kthread.c:436)
[   23.079547]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.079570]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.079593]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.079612]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.079708] ------------[ cut here ]------------
| [   23.079734] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.079777] Modules linked in:
| [   23.079850] Tainted: [W]=WARN
[   23.079873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.079907] Workqueue: netns cleanup_net
[   23.079929] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.079957] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.080065] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.080095] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.080135] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.080175] RBP: 0000000000000000 R08: ff156d86419624d0 R09: ff156d8645d76834
[   23.080215] R10: ff156d8645d8b120 R11: fefefefefefefeff R12: 0000000000000000
[   23.080255] R13: 0000000000000011 R14: ff156d8645d8b000 R15: ff156d8641d67100
[   23.080298] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.080339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.080373] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.080418] PKRU: 55555554
[   23.080432] Call Trace:
[   23.080444]  <TASK>
[   23.080461]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.080487]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.080509]  cleanup_net (net/core/net_namespace.c:702)
[   23.080528]  process_one_work (kernel/workqueue.c:3314)
[   23.080551]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.080573]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.080593]  kthread (kernel/kthread.c:436)
[   23.080613]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.080635]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.080665]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.080683]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.080775] ------------[ cut here ]------------
| [   23.080821] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.080882] Modules linked in:
| [   23.080971] Tainted: [W]=WARN
[   23.080992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.081024] Workqueue: netns cleanup_net
[   23.081051] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.081076] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.081165] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.081193] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.081231] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.081274] RBP: 0000000000000000 R08: ff156d864195a8d0 R09: ff156d8645d34830
[   23.081313] R10: ff156d8644672120 R11: fefefefefefefeff R12: 0000000000000000
[   23.081352] R13: 0000000000000011 R14: ff156d8644672000 R15: ff156d8641d67100
[   23.081394] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.081436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.081469] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.081513] PKRU: 55555554
[   23.081528] Call Trace:
[   23.081542]  <TASK>
[   23.081554]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.081583]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.081606]  cleanup_net (net/core/net_namespace.c:702)
[   23.081627]  process_one_work (kernel/workqueue.c:3314)
[   23.081646]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.081673]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.081694]  kthread (kernel/kthread.c:436)
[   23.081718]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.081745]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.081763]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.081786]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.081879] ------------[ cut here ]------------
| [   23.081920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.081975] Modules linked in:
| [   23.082055] Tainted: [W]=WARN
[   23.082075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.082107] Workqueue: netns cleanup_net
[   23.082128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.082159] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.082252] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.082279] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.082316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.082358] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d8644679830
[   23.082398] R10: ff156d8645cca120 R11: fefefefefefefeff R12: 0000000000000000
[   23.082440] R13: 0000000000000011 R14: ff156d8645cca000 R15: ff156d8641d67100
[   23.082478] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.082520] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.082553] CR2: 00000000004090e8 CR3: 0000000022047001 CR4: 0000000000771ef0
[   23.082591] PKRU: 55555554
[   23.082604] Call Trace:
[   23.082620]  <TASK>
[   23.082633]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.082665]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.082682]  cleanup_net (net/core/net_namespace.c:702)
[   23.082706]  process_one_work (kernel/workqueue.c:3314)
[   23.082724]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.082745]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.082771]  kthread (kernel/kthread.c:436)
[   23.082793]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.082815]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.082836]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.082854]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.083009] ------------[ cut here ]------------
| [   23.083053] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/236
| [   23.083099] Modules linked in:
| [   23.083190] Tainted: [W]=WARN
[   23.083212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.083247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.083279] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.083376] RSP: 0018:ff5eafed0048fca0 EFLAGS: 00010286
[   23.083405] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.083443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59800
[   23.083486] RBP: 0000000000000000 R08: ff156d86433f6750 R09: ff156d8645cb4030
[   23.083527] R10: ff156d8645cb0120 R11: fefefefefefefeff R12: 0000000000000000
[   23.083567] R13: 0000000000000010 R14: ff156d8645cb0000 R15: ff156d8641d59800
[   23.083610] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.083660] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.083697] CR2: 00007f98023e7bc0 CR3: 0000000005c67004 CR4: 0000000000771ef0
[   23.083743] PKRU: 55555554
[   23.083756] Call Trace:
[   23.083770]  <TASK>
[   23.083783]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.083804]  register_netdevice (net/core/dev.c:11488)
[   23.083822]  register_netdev (net/core/dev.c:11552)
[   23.083844]  sit_init_net (net/ipv6/sit.c:1860)
[   23.083865]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   23.083888]  ops_init (net/core/net_namespace.c:137)
[   23.083911]  setup_net (net/core/net_namespace.c:446)
[   23.083933]  copy_net_ns (net/core/net_namespace.c:579)
[   23.083952]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.083982]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.084009]  ksys_unshare (kernel/fork.c:3243)
[   23.084035]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.084055]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.084080]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.084116] RIP: 0033:0x7f98023e7bcb
[   23.084135] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.084234] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.084274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.084316] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.084356] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.084397] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.084437] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.084552] ------------[ cut here ]------------
| [   23.084584] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: scm_rights/236
| [   23.084633] Modules linked in:
| [   23.084702] Tainted: [W]=WARN
[   23.084727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.084765] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.084797] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.084892] RSP: 0018:ff5eafed0048fca8 EFLAGS: 00010286
[   23.084916] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.084957] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d59300
[   23.085004] RBP: 0000000000000000 R08: ff156d8642b53fd0 R09: ff156d864200f030
[   23.085052] R10: ff156d8645cb4120 R11: fefefefefefefeff R12: 0000000000000000
[   23.085096] R13: 0000000000000010 R14: ff156d8645cb4000 R15: ff156d8641d59300
[   23.085141] FS:  00007f98022ec740(0000) GS:ff156d86cfa48000(0000) knlGS:0000000000000000
[   23.085185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.085218] CR2: 00007f98023e7bc0 CR3: 0000000005c67004 CR4: 0000000000771ef0
[   23.085258] PKRU: 55555554
[   23.085271] Call Trace:
[   23.085284]  <TASK>
[   23.085297]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.085318]  register_netdevice (net/core/dev.c:11488)
[   23.085339]  register_netdev (net/core/dev.c:11552)
[   23.085360]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.085380]  ops_init (net/core/net_namespace.c:137)
[   23.085401]  setup_net (net/core/net_namespace.c:446)
[   23.085422]  copy_net_ns (net/core/net_namespace.c:579)
[   23.085445]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.085474]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.085501]  ksys_unshare (kernel/fork.c:3243)
[   23.085521]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.085542]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.085566]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.085592] RIP: 0033:0x7f98023e7bcb
[   23.085615] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.085720] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.085762] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.085804] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.085840] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.085883] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.085930] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.086424] ------------[ cut here ]------------
| [   23.086467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: scm_rights/238
| [   23.086521] Modules linked in:
| [   23.086625] Tainted: [W]=WARN
[   23.086695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.086743] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.086785] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.086899] RSP: 0018:ff5eafed004afcb8 EFLAGS: 00010286
[   23.086948] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.086998] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67100
[   23.087043] RBP: 0000000000000000 R08: ff156d8642b53610 R09: ff156d8645cf602c
[   23.087089] R10: ff156d8644670120 R11: fefefefefefefeff R12: 0000000000000000
[   23.087140] R13: 0000000000000010 R14: ff156d8644670000 R15: ff156d8641d67100
[   23.087190] FS:  00007f98022ec740(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.087235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.087278] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.087326] PKRU: 55555554
[   23.087338] Call Trace:
[   23.087351]  <TASK>
[   23.087363]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.087398]  register_netdevice (net/core/dev.c:11488)
[   23.087423]  register_netdev (net/core/dev.c:11552)
[   23.087447]  loopback_net_init (drivers/net/loopback.c:218)
[   23.087483]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   23.087513]  ops_init (net/core/net_namespace.c:137)
[   23.087533]  setup_net (net/core/net_namespace.c:446)
[   23.087551]  copy_net_ns (net/core/net_namespace.c:579)
[   23.087584]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.087627]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.087660]  ksys_unshare (kernel/fork.c:3243)
[   23.087692]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.087712]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.087733]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.087772] RIP: 0033:0x7f98023e7bcb
[   23.087797] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.087915] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.087966] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.088047] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.088097] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.088151] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.088198] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.088327] ------------[ cut here ]------------
| [   23.088354] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: scm_rights/238
| [   23.088412] Modules linked in:
| [   23.088510] Tainted: [W]=WARN
[   23.088525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.088575] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.088609] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.088716] RSP: 0018:ff5eafed004afc10 EFLAGS: 00010286
[   23.088755] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.088814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322bf00
[   23.088869] RBP: 0000000000000000 R08: ff156d864445e9d0 R09: ff156d8645cc3830
[   23.088905] R10: ff156d8645cf6120 R11: fefefefefefefeff R12: 0000000000000000
[   23.088936] R13: 0000000000000010 R14: ff156d8645cf6000 R15: ff156d864322bf00
[   23.089006] FS:  00007f98022ec740(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.089067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.089100] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.089148] PKRU: 55555554
[   23.089161] Call Trace:
[   23.089172]  <TASK>
[   23.089203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.089222]  register_netdevice (net/core/dev.c:11488)
[   23.089243]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.089266]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.089294]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   23.089324]  ops_init (net/core/net_namespace.c:137)
[   23.089354]  setup_net (net/core/net_namespace.c:446)
[   23.089387]  copy_net_ns (net/core/net_namespace.c:579)
[   23.089416]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.089452]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.089487]  ksys_unshare (kernel/fork.c:3243)
[   23.089505]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.089527]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.089557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.089586] RIP: 0033:0x7f98023e7bcb
[   23.089625] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.089742] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.089795] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.089849] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.089907] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.089966] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.090001] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.090119] ------------[ cut here ]------------
| [   23.090149] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: scm_rights/238
| [   23.090202] Modules linked in:
| [   23.090289] Tainted: [W]=WARN
[   23.090308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.090363] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.090397] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.090512] RSP: 0018:ff5eafed004afbf0 EFLAGS: 00010286
[   23.090538] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.090569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8642b60600
[   23.090620] RBP: 0000000000000000 R08: ff156d864195a890 R09: ff156d8645d4a830
[   23.090673] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[   23.090718] R13: 0000000000000010 R14: ff156d8645d6b000 R15: ff156d8642b60600
[   23.090760] FS:  00007f98022ec740(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.090817] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.090856] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.090901] PKRU: 55555554
[   23.090924] Call Trace:
[   23.090939]  <TASK>
[   23.090960]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.090984]  register_netdevice (net/core/dev.c:11488)
[   23.091003]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.091023]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.091048]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.091075]  ops_init (net/core/net_namespace.c:137)
[   23.091102]  setup_net (net/core/net_namespace.c:446)
[   23.091125]  copy_net_ns (net/core/net_namespace.c:579)
[   23.091159]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.091191]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.091234]  ksys_unshare (kernel/fork.c:3243)
[   23.091257]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.091278]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.091309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.091340] RIP: 0033:0x7f98023e7bcb
[   23.091361] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.091473] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.091531] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.091589] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.091660] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.091717] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.091762] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.091889] ------------[ cut here ]------------
| [   23.091917] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: scm_rights/238
| [   23.091974] Modules linked in:
| [   23.092073] Tainted: [W]=WARN
[   23.092093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.092133] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.092165] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.092289] RSP: 0018:ff5eafed004afca8 EFLAGS: 00010286
[   23.092324] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.092376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864325f500
[   23.092426] RBP: 0000000000000000 R08: ff156d8641944410 R09: ff156d8645cf5034
[   23.092467] R10: ff156d8645d89120 R11: fefefefefefefeff R12: 0000000000000000
[   23.092503] R13: 0000000000000010 R14: ff156d8645d89000 R15: ff156d864325f500
[   23.092555] FS:  00007f98022ec740(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.092607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.092658] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.092727] PKRU: 55555554
[   23.092743] Call Trace:
[   23.092756]  <TASK>
[   23.092768]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.092797]  register_netdevice (net/core/dev.c:11488)
[   23.092822]  register_netdev (net/core/dev.c:11552)
[   23.092851]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.092875]  ops_init (net/core/net_namespace.c:137)
[   23.092910]  setup_net (net/core/net_namespace.c:446)
[   23.092934]  copy_net_ns (net/core/net_namespace.c:579)
[   23.092963]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.093004]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.093037]  ksys_unshare (kernel/fork.c:3243)
[   23.093068]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.093100]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.093128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.093156] RIP: 0033:0x7f98023e7bcb
[   23.093177] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.093305] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.093347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.093391] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.093440] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.093490] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.093539] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.093707] ------------[ cut here ]------------
| [   23.093741] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: scm_rights/238
| [   23.093794] Modules linked in:
| [   23.093899] Tainted: [W]=WARN
[   23.093926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.093972] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.094010] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.094131] RSP: 0018:ff5eafed004afca0 EFLAGS: 00010286
[   23.094161] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.094214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67500
[   23.094269] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d8645d47030
[   23.094310] R10: ff156d8645cf5120 R11: fefefefefefefeff R12: 0000000000000000
[   23.094371] R13: 0000000000000010 R14: ff156d8645cf5000 R15: ff156d8641d67500
[   23.094422] FS:  00007f98022ec740(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.094471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.094516] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.094567] PKRU: 55555554
[   23.094581] Call Trace:
[   23.094592]  <TASK>
[   23.094604]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.094631]  register_netdevice (net/core/dev.c:11488)
[   23.094662]  register_netdev (net/core/dev.c:11552)
[   23.094688]  sit_init_net (net/ipv6/sit.c:1860)
[   23.094716]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   23.094740]  ops_init (net/core/net_namespace.c:137)
[   23.094758]  setup_net (net/core/net_namespace.c:446)
[   23.094777]  copy_net_ns (net/core/net_namespace.c:579)
[   23.094810]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.094834]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.094863]  ksys_unshare (kernel/fork.c:3243)
[   23.094888]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.094919]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.094942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.094973] RIP: 0033:0x7f98023e7bcb
[   23.094990] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.095091] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.095143] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.095192] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.095245] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.095303] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.095356] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.095528] ------------[ cut here ]------------
| [   23.095572] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.095646] Modules linked in:
| [   23.095731] Tainted: [W]=WARN
[   23.095756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.095794] Workqueue: netns cleanup_net
[   23.095828] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.095852] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.095924] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   23.095945] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.095999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67500
[   23.096056] RBP: 0000000000000000 R08: ff156d864442e410 R09: ff156d8645d3302c
[   23.096101] R10: ff156d8645d5b120 R11: fefefefefefefeff R12: 0000000000000000
[   23.096157] R13: 0000000000000011 R14: ff156d8645d5b000 R15: ff156d8641d67500
[   23.096220] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.096264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.096297] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.096387] PKRU: 55555554
[   23.096399] Call Trace:
[   23.096427]  <TASK>
[   23.096446]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.096477]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.096516]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.096536]  cleanup_net (net/core/net_namespace.c:702)
[   23.096562]  process_one_work (kernel/workqueue.c:3314)
[   23.096598]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.096620]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.096638]  kthread (kernel/kthread.c:436)
[   23.096675]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.096702]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.096724]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.096745]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.096878] ------------[ cut here ]------------
| [   23.096920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.096986] Modules linked in:
| [   23.097078] Tainted: [W]=WARN
[   23.097097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.097144] Workqueue: netns cleanup_net
[   23.097162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.097188] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.097302] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   23.097341] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.097386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d8641d67500
[   23.097434] RBP: 0000000000000000 R08: ff156d864448e3d0 R09: ff156d8645cec82c
[   23.097474] R10: ff156d8645d7e120 R11: fefefefefefefeff R12: 0000000000000000
[   23.097526] R13: 0000000000000011 R14: ff156d8645d7e000 R15: ff156d8641d67500
[   23.097575] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.097637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.097695] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.097754] PKRU: 55555554
[   23.097770] Call Trace:
[   23.097782]  <TASK>
[   23.097805]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.097835]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.097866]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.097892]  cleanup_net (net/core/net_namespace.c:702)
[   23.097912]  process_one_work (kernel/workqueue.c:3314)
[   23.097937]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.097963]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.097986]  kthread (kernel/kthread.c:436)
[   23.098006]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.098037]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.098060]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.098083]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.098302] ------------[ cut here ]------------
| [   23.098353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: scm_rights/238
| [   23.098406] Modules linked in:
| [   23.098494] Tainted: [W]=WARN
[   23.098517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.098560] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.098590] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.098713] RSP: 0018:ff5eafed004afca8 EFLAGS: 00010286
[   23.098744] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.098793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864322b900
[   23.098844] RBP: 0000000000000000 R08: ff156d8641962510 R09: ff156d8645d9f030
[   23.098884] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   23.098937] R13: 0000000000000010 R14: ff156d8645d47000 R15: ff156d864322b900
[   23.098978] FS:  00007f98022ec740(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.099031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.099085] CR2: 00007f98023e7bc0 CR3: 000000000448a004 CR4: 0000000000771ef0
[   23.099129] PKRU: 55555554
[   23.099155] Call Trace:
[   23.099169]  <TASK>
[   23.099194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.099226]  register_netdevice (net/core/dev.c:11488)
[   23.099250]  register_netdev (net/core/dev.c:11552)
[   23.099279]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.099308]  ops_init (net/core/net_namespace.c:137)
[   23.099330]  setup_net (net/core/net_namespace.c:446)
[   23.099374]  copy_net_ns (net/core/net_namespace.c:579)
[   23.099396]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.099445]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.099487]  ksys_unshare (kernel/fork.c:3243)
[   23.099523]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.099552]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.099578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.099614] RIP: 0033:0x7f98023e7bcb
[   23.099655] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.099754] RSP: 002b:00007ffd371ec5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.099791] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98023e7bcb
[   23.099822] RDX: 00000000004065e0 RSI: 00007ffd371ec660 RDI: 0000000040000000
[   23.099854] RBP: 00007ffd371ec630 R08: 00007f98024e1b20 R09: 0000000000000000
[   23.099923] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd371ecd38
[   23.099971] R13: 0000000000000001 R14: 00007f9802530000 R15: 0000000000408e00
| [   23.152063] ------------[ cut here ]------------
| [   23.152162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.152227] Modules linked in:
| [   23.152313] Tainted: [W]=WARN
[   23.152337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.152372] Workqueue: netns cleanup_net
[   23.152394] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.152422] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.152518] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.152544] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.152581] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.152618] RBP: 0000000000000000 R08: ff156d8641962510 R09: ff156d8645cc1030
[   23.152667] R10: ff156d8645d47120 R11: fefefefefefefeff R12: 0000000000000000
[   23.152711] R13: 0000000000000011 R14: ff156d8645d47000 R15: ff156d864326a200
[   23.152752] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.152791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.152823] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.152864] PKRU: 55555554
[   23.152881] Call Trace:
[   23.152896]  <TASK>
[   23.152912]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.152943]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.152965]  cleanup_net (net/core/net_namespace.c:702)
[   23.152990]  process_one_work (kernel/workqueue.c:3314)
[   23.153011]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.153035]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.153059]  kthread (kernel/kthread.c:436)
[   23.153082]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.153108]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.153129]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.153151]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.153261] ------------[ cut here ]------------
| [   23.153289] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.153346] Modules linked in:
| [   23.153429] Tainted: [W]=WARN
[   23.153450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.153483] Workqueue: netns cleanup_net
[   23.153506] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.153537] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.153636] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.153668] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.153710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.153752] RBP: 0000000000000000 R08: ff156d86419442d0 R09: ff156d86432ec830
[   23.153789] R10: ff156d8645cf5120 R11: fefefefefefefeff R12: 0000000000000000
[   23.153828] R13: 0000000000000011 R14: ff156d8645cf5000 R15: ff156d864326a200
[   23.153871] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.153917] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.153991] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.154038] PKRU: 55555554
[   23.154052] Call Trace:
[   23.154067]  <TASK>
[   23.154082]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.154116]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.154139]  cleanup_net (net/core/net_namespace.c:702)
[   23.154166]  process_one_work (kernel/workqueue.c:3314)
[   23.154189]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.154211]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.154236]  kthread (kernel/kthread.c:436)
[   23.154258]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.154282]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.154303]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.154329]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.154426] ------------[ cut here ]------------
| [   23.154454] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.154515] Modules linked in:
| [   23.154596] Tainted: [W]=WARN
[   23.154620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.154660] Workqueue: netns cleanup_net
[   23.154682] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.154709] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.154806] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.154841] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.154881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.154924] RBP: 0000000000000000 R08: ff156d8641944410 R09: ff156d86432e8834
[   23.154964] R10: ff156d8645d89120 R11: fefefefefefefeff R12: 0000000000000000
[   23.155005] R13: 0000000000000011 R14: ff156d8645d89000 R15: ff156d864326a200
[   23.155050] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.155093] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.155134] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.155182] PKRU: 55555554
[   23.155196] Call Trace:
[   23.155209]  <TASK>
[   23.155222]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.155247]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.155274]  cleanup_net (net/core/net_namespace.c:702)
[   23.155297]  process_one_work (kernel/workqueue.c:3314)
[   23.155323]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.155345]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.155366]  kthread (kernel/kthread.c:436)
[   23.155388]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.155409]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.155437]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.155461]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.155555] ------------[ cut here ]------------
| [   23.155588] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.155651] Modules linked in:
| [   23.155733] Tainted: [W]=WARN
[   23.155755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.155790] Workqueue: netns cleanup_net
[   23.155812] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.155844] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.155939] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.155964] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.156006] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.156052] RBP: 0000000000000000 R08: ff156d864195a890 R09: ff156d8645d77830
[   23.156095] R10: ff156d8645d6b120 R11: fefefefefefefeff R12: 0000000000000000
[   23.156140] R13: 0000000000000011 R14: ff156d8645d6b000 R15: ff156d864326a200
[   23.156187] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.156230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.156266] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.156306] PKRU: 55555554
[   23.156321] Call Trace:
[   23.156333]  <TASK>
[   23.156350]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.156380]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.156401]  cleanup_net (net/core/net_namespace.c:702)
[   23.156426]  process_one_work (kernel/workqueue.c:3314)
[   23.156449]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.156472]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.156494]  kthread (kernel/kthread.c:436)
[   23.156518]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.156540]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.156568]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.156591]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.156686] ------------[ cut here ]------------
| [   23.156712] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.156762] Modules linked in:
| [   23.156839] Tainted: [W]=WARN
[   23.156860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.156894] Workqueue: netns cleanup_net
[   23.156915] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.156946] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.157044] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.157072] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.157121] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.157168] RBP: 0000000000000000 R08: ff156d864445e9d0 R09: ff156d8645d33830
[   23.157210] R10: ff156d8645cf6120 R11: fefefefefefefeff R12: 0000000000000000
[   23.157251] R13: 0000000000000011 R14: ff156d8645cf6000 R15: ff156d864326a200
[   23.157286] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.157329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.157360] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.157404] PKRU: 55555554
[   23.157419] Call Trace:
[   23.157432]  <TASK>
[   23.157448]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.157475]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.157495]  cleanup_net (net/core/net_namespace.c:702)
[   23.157520]  process_one_work (kernel/workqueue.c:3314)
[   23.157540]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.157562]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.157582]  kthread (kernel/kthread.c:436)
[   23.157607]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.157628]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.157654]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.157677]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.157774] ------------[ cut here ]------------
| [   23.157801] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.157853] Modules linked in:
| [   23.157935] Tainted: [W]=WARN
[   23.157956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.157990] Workqueue: netns cleanup_net
[   23.158011] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.158040] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.158148] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.158175] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.158215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.158259] RBP: 0000000000000000 R08: ff156d8642b53fd0 R09: ff156d8645d1c830
[   23.158298] R10: ff156d8645cb4120 R11: fefefefefefefeff R12: 0000000000000000
[   23.158337] R13: 0000000000000011 R14: ff156d8645cb4000 R15: ff156d864326a200
[   23.158379] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.158421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.158454] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.158496] PKRU: 55555554
[   23.158511] Call Trace:
[   23.158526]  <TASK>
[   23.158544]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.158573]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.158596]  cleanup_net (net/core/net_namespace.c:702)
[   23.158623]  process_one_work (kernel/workqueue.c:3314)
[   23.158645]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.158671]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.158693]  kthread (kernel/kthread.c:436)
[   23.158722]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.158744]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.158766]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.158791]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.158884] ------------[ cut here ]------------
| [   23.158915] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.158970] Modules linked in:
| [   23.159048] Tainted: [W]=WARN
[   23.159071] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.159107] Workqueue: netns cleanup_net
[   23.159131] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.159165] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.159269] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.159296] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.159338] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.159380] RBP: 0000000000000000 R08: ff156d86433f6750 R09: ff156d8645cec030
[   23.159421] R10: ff156d8645cb0120 R11: fefefefefefefeff R12: 0000000000000000
[   23.159465] R13: 0000000000000011 R14: ff156d8645cb0000 R15: ff156d864326a200
[   23.159504] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.159546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.159581] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.159625] PKRU: 55555554
[   23.159641] Call Trace:
[   23.159662]  <TASK>
[   23.159675]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.159708]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.159728]  cleanup_net (net/core/net_namespace.c:702)
[   23.159750]  process_one_work (kernel/workqueue.c:3314)
[   23.159769]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.159793]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.159817]  kthread (kernel/kthread.c:436)
[   23.159839]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.159865]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.159889]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.159909]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.160002] ------------[ cut here ]------------
| [   23.160031] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.160092] Modules linked in:
| [   23.160171] Tainted: [W]=WARN
[   23.160192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.160224] Workqueue: netns cleanup_net
[   23.160245] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.160272] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.160358] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.160391] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.160432] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.160480] RBP: 0000000000000000 R08: ff156d86433f6810 R09: ff156d8645d08834
[   23.160518] R10: ff156d8644671120 R11: fefefefefefefeff R12: 0000000000000000
[   23.160561] R13: 0000000000000011 R14: ff156d8644671000 R15: ff156d864326a200
[   23.160602] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.160654] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.160693] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.160738] PKRU: 55555554
[   23.160753] Call Trace:
[   23.160769]  <TASK>
[   23.160783]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.160814]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.160837]  cleanup_net (net/core/net_namespace.c:702)
[   23.160861]  process_one_work (kernel/workqueue.c:3314)
[   23.160882]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.160903]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.160925]  kthread (kernel/kthread.c:436)
[   23.160950]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.160972]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.160994]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.161015]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.161104] ------------[ cut here ]------------
| [   23.161132] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.161188] Modules linked in:
| [   23.161264] Tainted: [W]=WARN
[   23.161282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.161320] Workqueue: netns cleanup_net
[   23.161343] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.161374] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.161472] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.161499] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.161544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.161592] RBP: 0000000000000000 R08: ff156d86433f6790 R09: ff156d86432c2030
[   23.161638] R10: ff156d8645d14120 R11: fefefefefefefeff R12: 0000000000000000
[   23.161693] R13: 0000000000000011 R14: ff156d8645d14000 R15: ff156d864326a200
[   23.161739] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.161784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.161822] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.161865] PKRU: 55555554
[   23.161878] Call Trace:
[   23.161893]  <TASK>
[   23.161906]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.161934]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.161956]  cleanup_net (net/core/net_namespace.c:702)
[   23.161980]  process_one_work (kernel/workqueue.c:3314)
[   23.162005]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.162028]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.162049]  kthread (kernel/kthread.c:436)
[   23.162071]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.162092]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.162115]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.162137]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.162229] ------------[ cut here ]------------
| [   23.162257] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.162317] Modules linked in:
| [   23.162391] Tainted: [W]=WARN
[   23.162412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.162452] Workqueue: netns cleanup_net
[   23.162474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.162505] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.162605] RSP: 0018:ff5eafed0023fce8 EFLAGS: 00010286
[   23.162633] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.162684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.162727] RBP: 0000000000000000 R08: ff156d864448e790 R09: ff156d8645ce8030
[   23.162768] R10: ff156d8645d2a120 R11: fefefefefefefeff R12: 0000000000000000
[   23.162809] R13: 0000000000000011 R14: ff156d8645d2a000 R15: ff156d864326a200
[   23.162853] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.162898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.162930] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.162975] PKRU: 55555554
[   23.162989] Call Trace:
[   23.163003]  <TASK>
[   23.163020]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.163047]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.163069]  cleanup_net (net/core/net_namespace.c:702)
[   23.163091]  process_one_work (kernel/workqueue.c:3314)
[   23.163110]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.163130]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.163150]  kthread (kernel/kthread.c:436)
[   23.163169]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.163190]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.163214]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.163236]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.169075] ------------[ cut here ]------------
| [   23.169148] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.169206] Modules linked in:
| [   23.169283] Tainted: [W]=WARN
[   23.169301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.169338] Workqueue: netns cleanup_net
[   23.169362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.169391] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.169467] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   23.169495] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.169547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.169589] RBP: 0000000000000000 R08: ff156d8642b53610 R09: ff156d8645d1902c
[   23.169633] R10: ff156d8644670120 R11: fefefefefefefeff R12: 0000000000000000
[   23.169681] R13: 0000000000000011 R14: ff156d8644670000 R15: ff156d864326a200
[   23.169724] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.169765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.169801] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.169870] PKRU: 55555554
[   23.169882] Call Trace:
[   23.169897]  <TASK>
[   23.169910]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.169939]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.169969]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.169990]  cleanup_net (net/core/net_namespace.c:702)
[   23.170010]  process_one_work (kernel/workqueue.c:3314)
[   23.170031]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.170049]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.170069]  kthread (kernel/kthread.c:436)
[   23.170090]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.170111]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.170130]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.170151]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.170247] ------------[ cut here ]------------
| [   23.170274] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/64
| [   23.170326] Modules linked in:
| [   23.170408] Tainted: [W]=WARN
[   23.170428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.170461] Workqueue: netns cleanup_net
[   23.170483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.170511] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.170591] RSP: 0018:ff5eafed0023fc78 EFLAGS: 00010286
[   23.170617] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.170661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff156d864326a200
[   23.170703] RBP: 0000000000000000 R08: ff156d8641977e50 R09: ff156d8645d7702c
[   23.170747] R10: ff156d8642f8e120 R11: fefefefefefefeff R12: 0000000000000000
[   23.170787] R13: 0000000000000011 R14: ff156d8642f8e000 R15: ff156d864326a200
[   23.170829] FS:  0000000000000000(0000) GS:ff156d86cfbc8000(0000) knlGS:0000000000000000
[   23.170870] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.170904] CR2: 00007f7045910f98 CR3: 0000000022047002 CR4: 0000000000771ef0
[   23.170950] PKRU: 55555554
[   23.170962] Call Trace:
[   23.170977]  <TASK>
[   23.170990]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.171019]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.171051]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.171073]  cleanup_net (net/core/net_namespace.c:702)
[   23.171096]  process_one_work (kernel/workqueue.c:3314)
[   23.171115]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.171138]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.171158]  kthread (kernel/kthread.c:436)
[   23.171180]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.171201]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.171222]  ? 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:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net