======================================
| xx__-> [    2.672166] ------------[ cut here ]------------
| [    2.672259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/195
| [    2.672352] Modules linked in:
| [    2.672508] Tainted: [W]=WARN
[    2.672570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.672639] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.672707] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.672844] RSP: 0018:ff76b9d10048fcb8 EFLAGS: 00010286
[    2.672913] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.672994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018f7500
[    2.673072] RBP: 0000000000000000 R08: ff31ca2e01953750 R09: ff31ca2e049bd02c
[    2.673150] R10: ff31ca2e049b8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.673230] R13: 0000000000000010 R14: ff31ca2e049b8000 R15: ff31ca2e018f7500
[    2.673315] FS:  00007fa9bf370840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.673397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.673478] CR2: 0000000000479648 CR3: 000000000611b003 CR4: 0000000000771ef0
[    2.673561] PKRU: 55555554
[    2.673613] Call Trace:
[    2.673664]  <TASK>
[    2.673717]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.673789]  register_netdevice (net/core/dev.c:11488)
[    2.673853]  register_netdev (net/core/dev.c:11552)
[    2.673916]  loopback_net_init (drivers/net/loopback.c:218)
[    2.673984]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.674053]  ops_init (net/core/net_namespace.c:137)
[    2.674116]  setup_net (net/core/net_namespace.c:446)
[    2.674178]  copy_net_ns (net/core/net_namespace.c:579)
[    2.674239]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.674309]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.674377]  ksys_unshare (kernel/fork.c:3243)
[    2.674447]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.674508]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.674571]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.674639] RIP: 0033:0x7fa9bf632bcb
[    2.674700] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.674832] RSP: 002b:00007ffcd370ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.674915] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa9bf632bcb
[    2.674992] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.675073] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.675150] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd370ce30
[    2.675229] R13: 0000000000000001 R14: 00007fa9bf3706f8 R15: 00007ffcd370e8b3
| [    2.675494] ------------[ cut here ]------------
| [    2.675561] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/195
| [    2.675652] Modules linked in:
| [    2.675812] Tainted: [W]=WARN
[    2.675873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.675947] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.676015] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.676143] RSP: 0018:ff76b9d10048fc10 EFLAGS: 00010286
[    2.676205] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.676285] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03335200
[    2.676363] RBP: 0000000000000000 R08: ff31ca2e01953650 R09: ff31ca2e049c0030
[    2.676448] R10: ff31ca2e049bd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.676528] R13: 0000000000000010 R14: ff31ca2e049bd000 R15: ff31ca2e03335200
[    2.676609] FS:  00007fa9bf370840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.676691] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.676769] CR2: 0000000000479648 CR3: 000000000611b003 CR4: 0000000000771ef0
[    2.676851] PKRU: 55555554
[    2.676902] Call Trace:
[    2.676954]  <TASK>
[    2.677003]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.677065]  register_netdevice (net/core/dev.c:11488)
[    2.677127]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.677191]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.677251]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.677315]  ops_init (net/core/net_namespace.c:137)
[    2.677377]  setup_net (net/core/net_namespace.c:446)
[    2.677442]  copy_net_ns (net/core/net_namespace.c:579)
[    2.677503]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.677573]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.677638]  ksys_unshare (kernel/fork.c:3243)
[    2.677706]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.677773]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.677837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.677909] RIP: 0033:0x7fa9bf632bcb
[    2.677972] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.678110] RSP: 002b:00007ffcd370ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.678188] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa9bf632bcb
[    2.678267] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.678345] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.678424] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd370ce30
[    2.678512] R13: 0000000000000001 R14: 00007fa9bf3706f8 R15: 00007ffcd370e8b3
| [    2.678793] ------------[ cut here ]------------
| [    2.678855] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/195
| [    2.678941] Modules linked in:
| [    2.679095] Tainted: [W]=WARN
[    2.679154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.679227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.679296] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.679423] RSP: 0018:ff76b9d10048fbf0 EFLAGS: 00010286
[    2.679497] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.679576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e0333b300
[    2.679654] RBP: 0000000000000000 R08: ff31ca2e01953590 R09: ff31ca2e049b6030
[    2.679739] R10: ff31ca2e049bc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.679817] R13: 0000000000000010 R14: ff31ca2e049bc000 R15: ff31ca2e0333b300
[    2.679898] FS:  00007fa9bf370840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.679978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.680049] CR2: 0000000000479648 CR3: 000000000611b003 CR4: 0000000000771ef0
[    2.680130] PKRU: 55555554
[    2.680180] Call Trace:
[    2.680231]  <TASK>
[    2.680281]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.680342]  register_netdevice (net/core/dev.c:11488)
[    2.680406]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.680471]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.680532]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.680595]  ops_init (net/core/net_namespace.c:137)
[    2.680657]  setup_net (net/core/net_namespace.c:446)
[    2.680716]  copy_net_ns (net/core/net_namespace.c:579)
[    2.680783]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.680850]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.680917]  ksys_unshare (kernel/fork.c:3243)
[    2.680978]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.681039]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.681101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.681170] RIP: 0033:0x7fa9bf632bcb
[    2.681230] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.681356] RSP: 002b:00007ffcd370ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.681440] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa9bf632bcb
[    2.681522] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.681601] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.681680] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd370ce30
[    2.681771] R13: 0000000000000001 R14: 00007fa9bf3706f8 R15: 00007ffcd370e8b3
| [    2.682059] ------------[ cut here ]------------
| [    2.682126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/195
| [    2.682212] Modules linked in:
| [    2.682361] Tainted: [W]=WARN
[    2.682420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.682500] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.682571] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.682699] RSP: 0018:ff76b9d10048fca8 EFLAGS: 00010286
[    2.682772] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.682852] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363000
[    2.682931] RBP: 0000000000000000 R08: ff31ca2e01953550 R09: ff31ca2e049c8034
[    2.683010] R10: ff31ca2e049cb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.683085] R13: 0000000000000010 R14: ff31ca2e049cb000 R15: ff31ca2e03363000
[    2.683168] FS:  00007fa9bf370840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.683249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.683323] CR2: 0000000000479648 CR3: 000000000611b003 CR4: 0000000000771ef0
[    2.683408] PKRU: 55555554
[    2.683463] Call Trace:
[    2.683514]  <TASK>
[    2.683565]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.683626]  register_netdevice (net/core/dev.c:11488)
[    2.683688]  register_netdev (net/core/dev.c:11552)
[    2.683756]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.683821]  ops_init (net/core/net_namespace.c:137)
[    2.683883]  setup_net (net/core/net_namespace.c:446)
[    2.683945]  copy_net_ns (net/core/net_namespace.c:579)
[    2.684007]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.684076]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.684146]  ksys_unshare (kernel/fork.c:3243)
[    2.684205]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.684267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.684327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.684396] RIP: 0033:0x7fa9bf632bcb
[    2.684459] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.684587] RSP: 002b:00007ffcd370ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.684666] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa9bf632bcb
[    2.684753] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.684836] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.684914] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd370ce30
[    2.684993] R13: 0000000000000001 R14: 00007fa9bf3706f8 R15: 00007ffcd370e8b3
| [    2.685250] ------------[ cut here ]------------
| [    2.685318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/195
| [    2.685404] Modules linked in:
| [    2.685559] Tainted: [W]=WARN
[    2.685620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.685691] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.685763] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.685900] RSP: 0018:ff76b9d10048fca0 EFLAGS: 00010286
[    2.685967] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.686046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331000
[    2.686129] RBP: 0000000000000000 R08: ff31ca2e01833dd0 R09: ff31ca2e049cd030
[    2.686209] R10: ff31ca2e049c8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.686288] R13: 0000000000000010 R14: ff31ca2e049c8000 R15: ff31ca2e03331000
[    2.686369] FS:  00007fa9bf370840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.686458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.686532] CR2: 0000000000479648 CR3: 000000000611b003 CR4: 0000000000771ef0
[    2.686617] PKRU: 55555554
[    2.686667] Call Trace:
[    2.686719]  <TASK>
[    2.686775]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.686839]  register_netdevice (net/core/dev.c:11488)
[    2.686901]  register_netdev (net/core/dev.c:11552)
[    2.686962]  sit_init_net (net/ipv6/sit.c:1860)
[    2.687025]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.687088]  ops_init (net/core/net_namespace.c:137)
[    2.687149]  setup_net (net/core/net_namespace.c:446)
[    2.687212]  copy_net_ns (net/core/net_namespace.c:579)
[    2.687274]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.687342]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.687409]  ksys_unshare (kernel/fork.c:3243)
[    2.687474]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.687535]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.687597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.687664] RIP: 0033:0x7fa9bf632bcb
[    2.687732] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.687862] RSP: 002b:00007ffcd370ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.687940] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa9bf632bcb
[    2.688017] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.688094] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.688174] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd370ce30
[    2.688251] R13: 0000000000000001 R14: 00007fa9bf3706f8 R15: 00007ffcd370e8b3
| [    2.688557] ------------[ cut here ]------------
| [    2.688621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/195
| [    2.688709] Modules linked in:
| [    2.688867] Tainted: [W]=WARN
[    2.688926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.688998] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.689066] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.689198] RSP: 0018:ff76b9d10048fca8 EFLAGS: 00010286
[    2.689265] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.689346] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03362d00
[    2.689434] RBP: 0000000000000000 R08: ff31ca2e0195e050 R09: ff31ca2e061b2030
[    2.689515] R10: ff31ca2e049cd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.689593] R13: 0000000000000010 R14: ff31ca2e049cd000 R15: ff31ca2e03362d00
[    2.689674] FS:  00007fa9bf370840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.689766] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.689833] CR2: 0000000000479648 CR3: 000000000611b003 CR4: 0000000000771ef0
[    2.689913] PKRU: 55555554
[    2.689963] Call Trace:
[    2.690013]  <TASK>
[    2.690063]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.690124]  register_netdevice (net/core/dev.c:11488)
[    2.690185]  register_netdev (net/core/dev.c:11552)
[    2.690247]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.690309]  ops_init (net/core/net_namespace.c:137)
[    2.690371]  setup_net (net/core/net_namespace.c:446)
[    2.690440]  copy_net_ns (net/core/net_namespace.c:579)
[    2.690501]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.690572]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.690642]  ksys_unshare (kernel/fork.c:3243)
[    2.690705]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.690774]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.690837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.690906] RIP: 0033:0x7fa9bf632bcb
[    2.690968] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.691094] RSP: 002b:00007ffcd370ac08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.691174] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa9bf632bcb
[    2.691250] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.691328] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.691405] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcd370ce30
[    2.691486] R13: 0000000000000001 R14: 00007fa9bf3706f8 R15: 00007ffcd370e8b3
| [    2.695002] ------------[ cut here ]------------
| [    2.695039] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/196
| [    2.695095] Modules linked in:
| [    2.695179] Tainted: [W]=WARN
[    2.695202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.695239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.695268] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.695366] RSP: 0018:ff76b9d100497720 EFLAGS: 00010286
[    2.695395] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.695439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[    2.695477] RBP: 0000000000000000 R08: ff31ca2e01953750 R09: ff31ca2e01c3302c
[    2.695520] R10: ff31ca2e049b8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.695562] R13: 0000000000000010 R14: ff31ca2e049b8000 R15: ff31ca2e03330500
[    2.695604] FS:  00007ff5ea465840(0000) GS:ff31ca2e937c8000(0000) knlGS:0000000000000000
[    2.695647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.695682] CR2: 0000000011cc8988 CR3: 000000000611f001 CR4: 0000000000771ef0
[    2.695720] PKRU: 55555554
[    2.695740] Call Trace:
[    2.695756]  <TASK>
[    2.695772]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.695794]  __dev_notify_flags (net/core/dev.c:9787)
[    2.695817]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.695844]  netif_change_flags (net/core/dev.c:9820)
[    2.695866]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.695889]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.695922]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.695946]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.695969]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.695998]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.696021]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.696044]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.696074]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.696094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.696115]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.696134]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.696159]  ___sys_sendmsg (net/socket.c:2752)
[    2.696181]  __sys_sendmsg (net/socket.c:2784)
[    2.696203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.696224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.696253] RIP: 0033:0x7ff5ea69f08e
[    2.696277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.696366] RSP: 002b:00007ffda95e5270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.696410] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff5ea69f08e
[    2.696457] RDX: 0000000000000000 RSI: 00007ffda95e5320 RDI: 0000000000000005
[    2.696496] RBP: 00007ffda95e5280 R08: 0000000000000000 R09: 0000000000000000
[    2.696533] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7d9
[    2.696576] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda95e59f0
| [    2.711730] ------------[ cut here ]------------
| [    2.711773] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.711834] Modules linked in:
| [    2.711927] Tainted: [W]=WARN
[    2.711950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.711990] Workqueue: netns cleanup_net
[    2.712016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.712046] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.712138] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[    2.712172] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.712213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363100
[    2.712251] RBP: 0000000000000000 R08: ff31ca2e0195e050 R09: ff31ca2e061ae030
[    2.712293] R10: ff31ca2e049cd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.712333] R13: 0000000000000011 R14: ff31ca2e049cd000 R15: ff31ca2e03363100
[    2.712375] FS:  0000000000000000(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[    2.712421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.712459] CR2: 000055fdf2293d5c CR3: 000000003c447006 CR4: 0000000000771ef0
[    2.712501] PKRU: 55555554
[    2.712514] Call Trace:
[    2.712531]  <TASK>
[    2.712545]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.712579]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.712602]  cleanup_net (net/core/net_namespace.c:702)
[    2.712623]  process_one_work (kernel/workqueue.c:3314)
[    2.712643]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.712667]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.712689]  kthread (kernel/kthread.c:436)
[    2.712713]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.712742]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.712768]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.712791]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.712907] ------------[ cut here ]------------
| [    2.712936] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.712988] Modules linked in:
| [    2.713059] Tainted: [W]=WARN
[    2.713077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.713112] Workqueue: netns cleanup_net
[    2.713135] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.713168] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.713260] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[    2.713288] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.713338] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363100
[    2.713379] RBP: 0000000000000000 R08: ff31ca2e01833dd0 R09: ff31ca2e049c5030
[    2.713421] R10: ff31ca2e049c8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.713468] R13: 0000000000000011 R14: ff31ca2e049c8000 R15: ff31ca2e03363100
[    2.713513] FS:  0000000000000000(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[    2.713553] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.713590] CR2: 000055fdf2293d5c CR3: 000000003c447006 CR4: 0000000000771ef0
[    2.713634] PKRU: 55555554
[    2.713650] Call Trace:
[    2.713673]  <TASK>
[    2.713686]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.713714]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.713743]  cleanup_net (net/core/net_namespace.c:702)
[    2.713766]  process_one_work (kernel/workqueue.c:3314)
[    2.713785]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.713810]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.713831]  kthread (kernel/kthread.c:436)
[    2.713856]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.713878]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.713899]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.713921]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.714017] ------------[ cut here ]------------
| [    2.714044] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.714094] Modules linked in:
| [    2.714166] Tainted: [W]=WARN
[    2.714188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.714222] Workqueue: netns cleanup_net
[    2.714246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.714276] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.714367] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[    2.714390] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.714433] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363100
[    2.714472] RBP: 0000000000000000 R08: ff31ca2e01953550 R09: ff31ca2e061a8034
[    2.714514] R10: ff31ca2e049cb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.714557] R13: 0000000000000011 R14: ff31ca2e049cb000 R15: ff31ca2e03363100
[    2.714597] FS:  0000000000000000(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[    2.714639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.714672] CR2: 000055fdf2293d5c CR3: 000000003c447006 CR4: 0000000000771ef0
[    2.714711] PKRU: 55555554
[    2.714731] Call Trace:
[    2.714748]  <TASK>
[    2.714761]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.714788]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.714816]  cleanup_net (net/core/net_namespace.c:702)
[    2.714839]  process_one_work (kernel/workqueue.c:3314)
[    2.714861]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.714883]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.714906]  kthread (kernel/kthread.c:436)
[    2.714928]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.714951]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.714976]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.714999]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.715098] ------------[ cut here ]------------
| [    2.715126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.715177] Modules linked in:
| [    2.715262] Tainted: [W]=WARN
[    2.715286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.715319] Workqueue: netns cleanup_net
[    2.715342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.715369] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.715469] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[    2.715492] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.715533] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363100
[    2.715572] RBP: 0000000000000000 R08: ff31ca2e01953590 R09: ff31ca2e049b7830
[    2.715611] R10: ff31ca2e049bc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.715653] R13: 0000000000000011 R14: ff31ca2e049bc000 R15: ff31ca2e03363100
[    2.715698] FS:  0000000000000000(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[    2.715747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.715783] CR2: 000055fdf2293d5c CR3: 000000003c447006 CR4: 0000000000771ef0
[    2.715829] PKRU: 55555554
[    2.715842] Call Trace:
[    2.715856]  <TASK>
[    2.715869]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.715895]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.715921]  cleanup_net (net/core/net_namespace.c:702)
[    2.715943]  process_one_work (kernel/workqueue.c:3314)
[    2.715964]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.715989]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.716010]  kthread (kernel/kthread.c:436)
[    2.716033]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.716056]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.716079]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.716101]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.716204] ------------[ cut here ]------------
| [    2.716234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.716287] Modules linked in:
| [    2.716365] Tainted: [W]=WARN
[    2.716390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.716422] Workqueue: netns cleanup_net
[    2.716446] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.716474] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.716566] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[    2.716596] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.716634] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363100
[    2.716675] RBP: 0000000000000000 R08: ff31ca2e01953650 R09: ff31ca2e049c1830
[    2.716735] R10: ff31ca2e049bd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.716777] R13: 0000000000000011 R14: ff31ca2e049bd000 R15: ff31ca2e03363100
[    2.716822] FS:  0000000000000000(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[    2.716861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.716896] CR2: 000055fdf2293d5c CR3: 000000003c447006 CR4: 0000000000771ef0
[    2.716937] PKRU: 55555554
[    2.716951] Call Trace:
[    2.716964]  <TASK>
[    2.716977]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.717006]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.717025]  cleanup_net (net/core/net_namespace.c:702)
[    2.717048]  process_one_work (kernel/workqueue.c:3314)
[    2.717069]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.717092]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.717115]  kthread (kernel/kthread.c:436)
[    2.717139]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.717164]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.717187]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.717210]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.724192] ------------[ cut here ]------------
| [    2.724239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.724296] Modules linked in:
| [    2.724377] Tainted: [W]=WARN
[    2.724397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.724434] Workqueue: netns cleanup_net
[    2.724462] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.724491] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.724585] RSP: 0018:ff76b9d100247c08 EFLAGS: 00010286
[    2.724615] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    2.724651] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363100
[    2.724691] RBP: 0000000000000000 R08: ff31ca2e01953750 R09: ff31ca2e049bd02c
[    2.724738] R10: ff31ca2e049b8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.724782] R13: 0000000000000010 R14: ff31ca2e049b8000 R15: ff31ca2e03363100
[    2.724825] FS:  0000000000000000(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[    2.724869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.724907] CR2: 000055fdf2293d5c CR3: 000000003c447006 CR4: 0000000000771ef0
[    2.724950] PKRU: 55555554
[    2.724965] Call Trace:
[    2.724980]  <TASK>
[    2.724996]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.725020]  netif_close_many (net/core/dev.c:1804)
[    2.725042]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    2.725072]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[    2.725094]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.725123]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.725143]  cleanup_net (net/core/net_namespace.c:702)
[    2.725165]  process_one_work (kernel/workqueue.c:3314)
[    2.725186]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.725208]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.725230]  kthread (kernel/kthread.c:436)
[    2.725253]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.725274]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.725297]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.725323]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.725482] ------------[ cut here ]------------
| [    2.725512] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.725569] Modules linked in:
| [    2.725648] Tainted: [W]=WARN
[    2.725667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.725700] Workqueue: netns cleanup_net
[    2.725729] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.725757] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.725844] RSP: 0018:ff76b9d100247c78 EFLAGS: 00010286
[    2.725869] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.725913] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363100
[    2.725958] RBP: 0000000000000000 R08: ff31ca2e01953750 R09: ff31ca2e049c302c
[    2.725999] R10: ff31ca2e049b8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.726038] R13: 0000000000000011 R14: ff31ca2e049b8000 R15: ff31ca2e03363100
[    2.726081] FS:  0000000000000000(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[    2.726120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.726151] CR2: 00007fd173eac0a0 CR3: 0000000002cda004 CR4: 0000000000771ef0
[    2.726191] PKRU: 55555554
[    2.726208] Call Trace:
[    2.726223]  <TASK>
[    2.726236]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.726262]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.726289]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.726312]  cleanup_net (net/core/net_namespace.c:702)
[    2.726336]  process_one_work (kernel/workqueue.c:3314)
[    2.726363]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.726385]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.726404]  kthread (kernel/kthread.c:436)
[    2.726455]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.726479]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.726502]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.726524]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.755220] ------------[ cut here ]------------
| [    2.755290] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/210
| [    2.755376] Modules linked in: netdevsim psample
| [    2.755545] Tainted: [W]=WARN
[    2.755601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.755673] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.755750] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.755882] RSP: 0018:ff76b9d1002fbcb8 EFLAGS: 00010286
[    2.755950] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.756030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018f7500
[    2.756112] RBP: 0000000000000000 R08: ff31ca2e02ce6f90 R09: ff31ca2e049bd02c
[    2.756193] R10: ff31ca2e049bf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.756274] R13: 0000000000000010 R14: ff31ca2e049bf000 R15: ff31ca2e018f7500
[    2.756358] FS:  00007f8c86b37840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.756449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.756525] CR2: 00007f8c86d417d0 CR3: 0000000004af7003 CR4: 0000000000771ef0
[    2.756607] PKRU: 55555554
[    2.756658] Call Trace:
[    2.756709]  <TASK>
[    2.756768]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.756831]  register_netdevice (net/core/dev.c:11488)
[    2.756893]  register_netdev (net/core/dev.c:11552)
[    2.756955]  loopback_net_init (drivers/net/loopback.c:218)
[    2.757020]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.757091]  ops_init (net/core/net_namespace.c:137)
[    2.757157]  setup_net (net/core/net_namespace.c:446)
[    2.757222]  copy_net_ns (net/core/net_namespace.c:579)
[    2.757286]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.757357]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.757433]  ksys_unshare (kernel/fork.c:3243)
[    2.757498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.757559]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.757622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.757690] RIP: 0033:0x7f8c86df9bcb
[    2.757757] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.757886] RSP: 002b:00007ffcfa16e408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.757966] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c86df9bcb
[    2.758045] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.758124] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.758202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfa170630
[    2.758284] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfa1718b3
| [    2.758540] ------------[ cut here ]------------
| [    2.758607] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/210
| [    2.758692] Modules linked in: netdevsim psample
| [    2.758859] Tainted: [W]=WARN
[    2.758919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.758991] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.759059] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.759190] RSP: 0018:ff76b9d1002fbc10 EFLAGS: 00010286
[    2.759261] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.759341] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03335200
[    2.759424] RBP: 0000000000000000 R08: ff31ca2e02cdb990 R09: ff31ca2e049b3830
[    2.759512] R10: ff31ca2e049bd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.759591] R13: 0000000000000010 R14: ff31ca2e049bd000 R15: ff31ca2e03335200
[    2.759674] FS:  00007f8c86b37840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.759767] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.759841] CR2: 00007f8c86d417d0 CR3: 0000000004af7003 CR4: 0000000000771ef0
[    2.759920] PKRU: 55555554
[    2.759971] Call Trace:
[    2.760021]  <TASK>
[    2.760072]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.760135]  register_netdevice (net/core/dev.c:11488)
[    2.760196]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.760260]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.760324]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.760389]  ops_init (net/core/net_namespace.c:137)
[    2.760458]  setup_net (net/core/net_namespace.c:446)
[    2.760521]  copy_net_ns (net/core/net_namespace.c:579)
[    2.760584]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.760660]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.760735]  ksys_unshare (kernel/fork.c:3243)
[    2.760797]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.760860]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.760922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.760986] RIP: 0033:0x7f8c86df9bcb
[    2.761049] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.761178] RSP: 002b:00007ffcfa16e408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.761259] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c86df9bcb
[    2.761339] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.761418] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.761499] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfa170630
[    2.761576] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfa1718b3
| [    2.761846] ------------[ cut here ]------------
| [    2.761912] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/210
| [    2.762000] Modules linked in: netdevsim psample
| [    2.762160] Tainted: [W]=WARN
[    2.762220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.762290] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.762361] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.762499] RSP: 0018:ff76b9d1002fbbf0 EFLAGS: 00010286
[    2.762573] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.762657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e0333b300
[    2.762743] RBP: 0000000000000000 R08: ff31ca2e02ce2590 R09: ff31ca2e049c3030
[    2.762824] R10: ff31ca2e049bc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.762904] R13: 0000000000000010 R14: ff31ca2e049bc000 R15: ff31ca2e0333b300
[    2.762986] FS:  00007f8c86b37840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.763068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.763141] CR2: 00007f8c86d417d0 CR3: 0000000004af7003 CR4: 0000000000771ef0
[    2.763219] PKRU: 55555554
[    2.763270] Call Trace:
[    2.763321]  <TASK>
[    2.763372]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.763440]  register_netdevice (net/core/dev.c:11488)
[    2.763503]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.763566]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.763629]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.763691]  ops_init (net/core/net_namespace.c:137)
[    2.763758]  setup_net (net/core/net_namespace.c:446)
[    2.763821]  copy_net_ns (net/core/net_namespace.c:579)
[    2.763885]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.763956]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.764021]  ksys_unshare (kernel/fork.c:3243)
[    2.764083]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.764142]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.764207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.764272] RIP: 0033:0x7f8c86df9bcb
[    2.764333] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.764458] RSP: 002b:00007ffcfa16e408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.764538] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c86df9bcb
[    2.764617] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.764695] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.764781] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfa170630
[    2.764860] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfa1718b3
| [    2.765117] ------------[ cut here ]------------
| [    2.765185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/210
| [    2.765270] Modules linked in: netdevsim psample
| [    2.765444] Tainted: [W]=WARN
[    2.765505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.765578] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.765648] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.765781] RSP: 0018:ff76b9d1002fbca8 EFLAGS: 00010286
[    2.765850] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.765930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330700
[    2.766009] RBP: 0000000000000000 R08: ff31ca2e03357110 R09: ff31ca2e049ca034
[    2.766088] R10: ff31ca2e049cb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.766166] R13: 0000000000000010 R14: ff31ca2e049cb000 R15: ff31ca2e03330700
[    2.766247] FS:  00007f8c86b37840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.766326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.766398] CR2: 00007f8c86d417d0 CR3: 0000000004af7003 CR4: 0000000000771ef0
[    2.766481] PKRU: 55555554
[    2.766531] Call Trace:
[    2.766582]  <TASK>
[    2.766632]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.766694]  register_netdevice (net/core/dev.c:11488)
[    2.766760]  register_netdev (net/core/dev.c:11552)
[    2.766822]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.766884]  ops_init (net/core/net_namespace.c:137)
[    2.766945]  setup_net (net/core/net_namespace.c:446)
[    2.767006]  copy_net_ns (net/core/net_namespace.c:579)
[    2.767067]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.767134]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.767205]  ksys_unshare (kernel/fork.c:3243)
[    2.767266]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.767327]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.767389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.767460] RIP: 0033:0x7f8c86df9bcb
[    2.767520] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.767645] RSP: 002b:00007ffcfa16e408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.767736] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c86df9bcb
[    2.767814] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.767892] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.767971] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfa170630
[    2.768049] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfa1718b3
| [    2.768303] ------------[ cut here ]------------
| [    2.768372] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/210
| [    2.768466] Modules linked in: netdevsim psample
| [    2.768623] Tainted: [W]=WARN
[    2.768682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.768764] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.768831] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.768959] RSP: 0018:ff76b9d1002fbca0 EFLAGS: 00010286
[    2.769026] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.769106] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363b00
[    2.769185] RBP: 0000000000000000 R08: ff31ca2e033c1110 R09: ff31ca2e049c9030
[    2.769265] R10: ff31ca2e049ca120 R11: fefefefefefefeff R12: 0000000000000000
[    2.769342] R13: 0000000000000010 R14: ff31ca2e049ca000 R15: ff31ca2e03363b00
[    2.769424] FS:  00007f8c86b37840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.769513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.769585] CR2: 00007f8c86d417d0 CR3: 0000000004af7003 CR4: 0000000000771ef0
[    2.769664] PKRU: 55555554
[    2.769716] Call Trace:
[    2.769770]  <TASK>
[    2.769821]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.769880]  register_netdevice (net/core/dev.c:11488)
[    2.769941]  register_netdev (net/core/dev.c:11552)
[    2.770003]  sit_init_net (net/ipv6/sit.c:1860)
[    2.770065]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.770127]  ops_init (net/core/net_namespace.c:137)
[    2.770190]  setup_net (net/core/net_namespace.c:446)
[    2.770253]  copy_net_ns (net/core/net_namespace.c:579)
[    2.770315]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.770384]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.770456]  ksys_unshare (kernel/fork.c:3243)
[    2.770517]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.770578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.770641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.770710] RIP: 0033:0x7f8c86df9bcb
[    2.770776] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.770904] RSP: 002b:00007ffcfa16e408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.770985] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c86df9bcb
[    2.771065] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.771144] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.771223] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfa170630
[    2.771303] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfa1718b3
| [    2.771562] ------------[ cut here ]------------
| [    2.771628] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/210
| [    2.771730] Modules linked in: netdevsim psample
| [    2.771889] Tainted: [W]=WARN
[    2.771946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.772020] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.772091] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.772220] RSP: 0018:ff76b9d1002fbca8 EFLAGS: 00010286
[    2.772289] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.772368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03362d00
[    2.772454] RBP: 0000000000000000 R08: ff31ca2e033cc8d0 R09: ff31ca2e01180030
[    2.772531] R10: ff31ca2e049c9120 R11: fefefefefefefeff R12: 0000000000000000
[    2.772612] R13: 0000000000000010 R14: ff31ca2e049c9000 R15: ff31ca2e03362d00
[    2.772696] FS:  00007f8c86b37840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.772784] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.772858] CR2: 00007f8c86d417d0 CR3: 0000000004af7003 CR4: 0000000000771ef0
[    2.772939] PKRU: 55555554
[    2.772989] Call Trace:
[    2.773040]  <TASK>
[    2.773090]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.773155]  register_netdevice (net/core/dev.c:11488)
[    2.773215]  register_netdev (net/core/dev.c:11552)
[    2.773277]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.773339]  ops_init (net/core/net_namespace.c:137)
[    2.773402]  setup_net (net/core/net_namespace.c:446)
[    2.773469]  copy_net_ns (net/core/net_namespace.c:579)
[    2.773531]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.773605]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.773674]  ksys_unshare (kernel/fork.c:3243)
[    2.773742]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.773804]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.773867]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.773935] RIP: 0033:0x7f8c86df9bcb
[    2.773997] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.774127] RSP: 002b:00007ffcfa16e408 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.774208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c86df9bcb
[    2.774290] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.774369] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.774458] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfa170630
[    2.774536] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfa1718b3
| [    2.777813] ------------[ cut here ]------------
| [    2.777852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/211
| [    2.777904] Modules linked in: netdevsim psample
| [    2.777998] Tainted: [W]=WARN
[    2.778019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.778057] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.778086] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.778194] RSP: 0018:ff76b9d10030b720 EFLAGS: 00010286
[    2.778225] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.778267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[    2.778306] RBP: 0000000000000000 R08: ff31ca2e02ce6f90 R09: ff31ca2e01c3302c
[    2.778345] R10: ff31ca2e049bf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.778386] R13: 0000000000000010 R14: ff31ca2e049bf000 R15: ff31ca2e03330500
[    2.778433] FS:  00007f26394d1840(0000) GS:ff31ca2e937c8000(0000) knlGS:0000000000000000
[    2.778474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.778509] CR2: 00007f26397a11a0 CR3: 0000000004b07005 CR4: 0000000000771ef0
[    2.778551] PKRU: 55555554
[    2.778566] Call Trace:
[    2.778582]  <TASK>
[    2.778597]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.778619]  __dev_notify_flags (net/core/dev.c:9787)
[    2.778642]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.778667]  netif_change_flags (net/core/dev.c:9820)
[    2.778690]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.778712]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.778749]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.778771]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.778795]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.778824]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.778847]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.778870]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.778898]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.778920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.778944]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.778966]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.778989]  ___sys_sendmsg (net/socket.c:2752)
[    2.779014]  __sys_sendmsg (net/socket.c:2784)
[    2.779037]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.779058]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.779087] RIP: 0033:0x7f263970b08e
[    2.779107] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.779201] RSP: 002b:00007ffe26b0c2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.779243] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f263970b08e
[    2.779285] RDX: 0000000000000000 RSI: 00007ffe26b0c3a0 RDI: 0000000000000005
[    2.779334] RBP: 00007ffe26b0c300 R08: 0000000000000000 R09: 0000000000000000
[    2.779376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7d9
[    2.779418] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe26b0ca70
| [    2.790451] ------------[ cut here ]------------
| [    2.790514] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/214
| [    2.790602] Modules linked in: netdevsim psample
| [    2.790779] Tainted: [W]=WARN
[    2.790839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.790915] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.790983] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.791112] RSP: 0018:ff76b9d10032f870 EFLAGS: 00010286
[    2.791180] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.791259] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03363000
[    2.791342] RBP: 0000000000000000 R08: ff31ca2e02cdbe10 R09: ff31ca2e061b5030
[    2.791421] R10: ff31ca2e01180120 R11: fefefefefefefeff R12: 0000000000000000
[    2.791509] R13: 0000000000000010 R14: ff31ca2e01180000 R15: ff31ca2e03363000
[    2.791594] FS:  00007f5148843840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.791675] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.791758] CR2: 00000000004a77b8 CR3: 0000000012906003 CR4: 0000000000771ef0
[    2.791842] PKRU: 55555554
[    2.791893] Call Trace:
[    2.791944]  <TASK>
[    2.791995]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.792055]  __dev_notify_flags (net/core/dev.c:9787)
[    2.792118]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.792180]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.792244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.792312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.792374]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.792461]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.792528]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.792592]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.792655]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.792718]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.792790]  ___sys_sendmsg (net/socket.c:2752)
[    2.792854]  __sys_sendmsg (net/socket.c:2784)
[    2.792916]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.792979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.793047] RIP: 0033:0x7f5148a7d08e
[    2.793108] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.793244] RSP: 002b:00007ffcc4431d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.793320] RAX: ffffffffffffffda RBX: 00007ffcc4432510 RCX: 00007f5148a7d08e
[    2.793403] RDX: 0000000000000000 RSI: 00007ffcc4431e10 RDI: 0000000000000005
[    2.793486] RBP: 00007ffcc4431d70 R08: 0000000000000000 R09: 0000000000000000
[    2.793563] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7d9
[    2.793641] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc44324e0
| [    2.798392] ------------[ cut here ]------------
| [    2.798432] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: echo/215
| [    2.798484] Modules linked in: netdevsim psample
| [    2.798573] Tainted: [W]=WARN
[    2.798597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.798632] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.798659] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.798756] RSP: 0018:ff76b9d1003579d0 EFLAGS: 00010286
[    2.798784] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.798824] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[    2.798867] RBP: 0000000000000000 R08: ff31ca2e01953e10 R09: ff31ca2e01c31030
[    2.798908] R10: ff31ca2e04b96120 R11: fefefefefefefeff R12: 0000000000000000
[    2.798949] R13: 0000000000000010 R14: ff31ca2e04b96000 R15: ff31ca2e03330500
[    2.798993] FS:  00007fad05059740(0000) GS:ff31ca2e937c8000(0000) knlGS:0000000000000000
[    2.799038] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.799072] CR2: 0000561313500068 CR3: 0000000012951005 CR4: 0000000000771ef0
[    2.799112] PKRU: 55555554
[    2.799126] Call Trace:
[    2.799142]  <TASK>
[    2.799157]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.799178]  register_netdevice (net/core/dev.c:11488)
[    2.799201] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.799230] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.799261] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.799290]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.799314]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.799344]  __driver_probe_device (drivers/base/dd.c:871)
[    2.799374]  driver_probe_device (drivers/base/dd.c:901)
[    2.799394]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.799421]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.799447]  __device_attach (drivers/base/dd.c:1101)
[    2.799469]  device_initial_probe (drivers/base/dd.c:1156)
[    2.799491]  bus_probe_device (drivers/base/bus.c:613)
[    2.799513]  device_add (drivers/base/core.c:3706)
[    2.799534] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.799560]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.799590]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.799614]  ksys_write (fs/read_write.c:740)
[    2.799636]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.799657]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.799686] RIP: 0033:0x7fad050cc08e
[    2.799709] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.799800] RSP: 002b:00007fffe36ab9a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.799842] RAX: ffffffffffffffda RBX: 00007fad0524e580 RCX: 00007fad050cc08e
[    2.799883] RDX: 0000000000000007 RSI: 00005613134ff060 RDI: 0000000000000001
[    2.799926] RBP: 00007fffe36ab9b0 R08: 0000000000000000 R09: 0000000000000000
[    2.799969] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    2.800008] R13: 0000000000000007 R14: 00005613134ff060 R15: 00007fad0524e668
| [    2.816394] ------------[ cut here ]------------
| [    2.816469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/221
| [    2.816558] Modules linked in: netdevsim psample
| [    2.816722] Tainted: [W]=WARN
[    2.816791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.816864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.816933] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.817062] RSP: 0018:ff76b9d1003bf720 EFLAGS: 00010286
[    2.817132] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.817210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331000
[    2.817290] RBP: 0000000000000000 R08: ff31ca2e01953e10 R09: ff31ca2e061b5030
[    2.817370] R10: ff31ca2e04b96120 R11: fefefefefefefeff R12: 0000000000000000
[    2.817454] R13: 0000000000000010 R14: ff31ca2e04b96000 R15: ff31ca2e03331000
[    2.817536] FS:  00007fe2e61b7840(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[    2.817615] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.817687] CR2: 00000000165fd988 CR3: 00000000129b2002 CR4: 0000000000771ef0
[    2.817772] PKRU: 55555554
[    2.817823] Call Trace:
[    2.817873]  <TASK>
[    2.817924]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.817985]  __dev_notify_flags (net/core/dev.c:9787)
[    2.818048]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.818109]  netif_change_flags (net/core/dev.c:9820)
[    2.818173]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.818235]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.818304]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.818367]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.818442]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.818513]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.818573]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.818637]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.818706]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.818772]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.818836]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.818897]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.818961]  ___sys_sendmsg (net/socket.c:2752)
[    2.819025]  __sys_sendmsg (net/socket.c:2784)
[    2.819087]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.819148]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.819212] RIP: 0033:0x7fe2e63f108e
[    2.819274] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.819400] RSP: 002b:00007ffe367a5dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.819486] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe2e63f108e
[    2.819563] RDX: 0000000000000000 RSI: 00007ffe367a5e80 RDI: 0000000000000005
[    2.819642] RBP: 00007ffe367a5de0 R08: 0000000000000000 R09: 0000000000000000
[    2.819720] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7d9
[    2.819805] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe367a6550
| [   13.100254] ------------[ cut here ]------------
| [   13.100306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: echo/243
| [   13.100367] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.100494] Tainted: [W]=WARN
[   13.100519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.100558] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.100589] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.100696] RSP: 0018:ff76b9d100327b18 EFLAGS: 00010286
[   13.100731] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   13.100779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.100825] RBP: 0000000000000000 R08: ff31ca2e01953e10 R09: ff31ca2e01c31030
[   13.100873] R10: ff31ca2e04b96120 R11: fefefefefefefeff R12: 0000000000000000
[   13.100922] R13: 0000000000000010 R14: ff31ca2e04b96000 R15: ff31ca2e03330500
[   13.100974] FS:  00007f2d1053e740(0000) GS:ff31ca2e937c8000(0000) knlGS:0000000000000000
[   13.101021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.101059] CR2: 0000561053c27068 CR3: 00000000060c8004 CR4: 0000000000771ef0
[   13.101101] PKRU: 55555554
[   13.101116] Call Trace:
[   13.101133]  <TASK>
[   13.101149]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.101173]  netif_close_many (net/core/dev.c:1804)
[   13.101195]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[   13.101225]  ? __destroy_inode (fs/inode.c:371)
[   13.101250]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[   13.101282] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   13.101314] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   13.101349] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   13.101382] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   13.101414]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   13.101445]  bus_remove_device (drivers/base/bus.c:657)
[   13.101473]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[   13.101505]  device_del (drivers/base/core.c:3895)
[   13.101532]  device_unregister (drivers/base/core.c:3936)
[   13.101555] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   13.101585]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.101614]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[   13.101643]  ksys_write (fs/read_write.c:740)
[   13.101665]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.101691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.101722] RIP: 0033:0x7f2d105b108e
[   13.101750] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.101849] RSP: 002b:00007fffbdac0880 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.101895] RAX: ffffffffffffffda RBX: 00007f2d10733580 RCX: 00007f2d105b108e
[   13.101939] RDX: 0000000000000005 RSI: 0000561053c26060 RDI: 0000000000000001
[   13.101977] RBP: 00007fffbdac0890 R08: 0000000000000000 R09: 0000000000000000
[   13.102021] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   13.102064] R13: 0000000000000005 R14: 0000561053c26060 R15: 00007f2d10733668
| [   13.102231] ------------[ cut here ]------------
| [   13.102262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: echo/243
| [   13.102315] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.102420] Tainted: [W]=WARN
[   13.102443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.102481] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.102508] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.102612] RSP: 0018:ff76b9d100327b88 EFLAGS: 00010286
[   13.102644] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.102698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.102743] RBP: 0000000000000000 R08: ff31ca2e01953e10 R09: ff31ca2e06095030
[   13.102784] R10: ff31ca2e04b96120 R11: fefefefefefefeff R12: 0000000000000000
[   13.102828] R13: 0000000000000011 R14: ff31ca2e04b96000 R15: ff31ca2e03330500
[   13.102875] FS:  00007f2d1053e740(0000) GS:ff31ca2e937c8000(0000) knlGS:0000000000000000
[   13.102914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.102951] CR2: 0000561053c27068 CR3: 00000000060c8004 CR4: 0000000000771ef0
[   13.102995] PKRU: 55555554
[   13.103008] Call Trace:
[   13.103022]  <TASK>
[   13.103038]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.103068]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[   13.103098] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   13.103132] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   13.103164] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   13.103195] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   13.103225]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   13.103254]  bus_remove_device (drivers/base/bus.c:657)
[   13.103276]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[   13.103306]  device_del (drivers/base/core.c:3895)
[   13.103328]  device_unregister (drivers/base/core.c:3936)
[   13.103350] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   13.103380]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.103406]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[   13.103428]  ksys_write (fs/read_write.c:740)
[   13.103450]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.103475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.103504] RIP: 0033:0x7f2d105b108e
[   13.103523] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.103628] RSP: 002b:00007fffbdac0880 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.103668] RAX: ffffffffffffffda RBX: 00007f2d10733580 RCX: 00007f2d105b108e
[   13.103711] RDX: 0000000000000005 RSI: 0000561053c26060 RDI: 0000000000000001
[   13.103779] RBP: 00007fffbdac0890 R08: 0000000000000000 R09: 0000000000000000
[   13.103822] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   13.103866] R13: 0000000000000005 R14: 0000561053c26060 R15: 00007f2d10733668
| [   13.142177] ------------[ cut here ]------------
| [   13.142266] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.142398] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.142598] Tainted: [W]=WARN
[   13.142689] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.142806] Workqueue: netns cleanup_net
[   13.142873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.142972] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.143113] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   13.143181] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.143300] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.143410] RBP: 0000000000000000 R08: ff31ca2e033cc8d0 R09: ff31ca2e049c7030
[   13.143493] R10: ff31ca2e049c9120 R11: fefefefefefefeff R12: 0000000000000000
[   13.143579] R13: 0000000000000011 R14: ff31ca2e049c9000 R15: ff31ca2e03330500
[   13.143669] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.143760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.143864] CR2: 00005597cf1d2928 CR3: 0000000003347003 CR4: 0000000000771ef0
[   13.143948] PKRU: 55555554
[   13.143999] Call Trace:
[   13.144052]  <TASK>
[   13.144105]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.144174]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.144249]  cleanup_net (net/core/net_namespace.c:702)
[   13.144310]  process_one_work (kernel/workqueue.c:3314)
[   13.144374]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.144437]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.144503]  kthread (kernel/kthread.c:436)
[   13.144567]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.144631]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.144695]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.144764]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.145097] ------------[ cut here ]------------
| [   13.145211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.145298] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.145508] Tainted: [W]=WARN
[   13.145568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.145665] Workqueue: netns cleanup_net
[   13.145737] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.145836] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.146007] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   13.146075] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.146158] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.146270] RBP: 0000000000000000 R08: ff31ca2e033c1110 R09: ff31ca2e049b7830
[   13.146350] R10: ff31ca2e049ca120 R11: fefefefefefefeff R12: 0000000000000000
[   13.146473] R13: 0000000000000011 R14: ff31ca2e049ca000 R15: ff31ca2e03330500
[   13.146560] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.146678] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.146764] CR2: 00005597cf1d2928 CR3: 0000000003347003 CR4: 0000000000771ef0
[   13.146863] PKRU: 55555554
[   13.146913] Call Trace:
[   13.146967]  <TASK>
[   13.147054]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.147124]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.147185]  cleanup_net (net/core/net_namespace.c:702)
[   13.147246]  process_one_work (kernel/workqueue.c:3314)
[   13.147345]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.147408]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.147507]  kthread (kernel/kthread.c:436)
[   13.147605]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.147669]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.147766]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.147842]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.148160] ------------[ cut here ]------------
| [   13.148307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.148508] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.148759] Tainted: [W]=WARN
[   13.148834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.148956] Workqueue: netns cleanup_net
[   13.149063] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.149141] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.149338] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   13.149410] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.149523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.149664] RBP: 0000000000000000 R08: ff31ca2e03357110 R09: ff31ca2e049c5834
[   13.149817] R10: ff31ca2e049cb120 R11: fefefefefefefeff R12: 0000000000000000
[   13.149943] R13: 0000000000000011 R14: ff31ca2e049cb000 R15: ff31ca2e03330500
[   13.150058] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.150146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.150256] CR2: 00005597cf1d2928 CR3: 0000000003347003 CR4: 0000000000771ef0
[   13.150372] PKRU: 55555554
[   13.150466] Call Trace:
[   13.150522]  <TASK>
[   13.150575]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.150680]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.150752]  cleanup_net (net/core/net_namespace.c:702)
[   13.150844]  process_one_work (kernel/workqueue.c:3314)
[   13.150907]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.150999]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.151059]  kthread (kernel/kthread.c:436)
[   13.151121]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.151182]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.151242]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.151304]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.151601] ------------[ cut here ]------------
| [   13.151664] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.151773] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.151995] Tainted: [W]=WARN
[   13.152056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.152126] Workqueue: netns cleanup_net
[   13.152218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.152288] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.152458] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   13.152537] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.152661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.152762] RBP: 0000000000000000 R08: ff31ca2e02ce2590 R09: ff31ca2e049b3030
[   13.152839] R10: ff31ca2e049bc120 R11: fefefefefefefeff R12: 0000000000000000
[   13.152926] R13: 0000000000000011 R14: ff31ca2e049bc000 R15: ff31ca2e03330500
[   13.153016] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.153101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.153187] CR2: 00005597cf1d2928 CR3: 0000000003347003 CR4: 0000000000771ef0
[   13.153280] PKRU: 55555554
[   13.153333] Call Trace:
[   13.153384]  <TASK>
[   13.153439]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.153514]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.153576]  cleanup_net (net/core/net_namespace.c:702)
[   13.153685]  process_one_work (kernel/workqueue.c:3314)
[   13.153784]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.153846]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.153908]  kthread (kernel/kthread.c:436)
[   13.153999]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.154060]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.154118]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.154180]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.154469] ------------[ cut here ]------------
| [   13.154539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.154639] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.154899] Tainted: [W]=WARN
[   13.154957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.155030] Workqueue: netns cleanup_net
[   13.155093] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.155202] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.155336] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   13.155448] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.155534] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.155627] RBP: 0000000000000000 R08: ff31ca2e02cdb990 R09: ff31ca2e061ad830
[   13.155709] R10: ff31ca2e049bd120 R11: fefefefefefefeff R12: 0000000000000000
[   13.155829] R13: 0000000000000011 R14: ff31ca2e049bd000 R15: ff31ca2e03330500
[   13.155915] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.155995] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.156071] CR2: 00005597cf1d2928 CR3: 0000000003347003 CR4: 0000000000771ef0
[   13.156159] PKRU: 55555554
[   13.156216] Call Trace:
[   13.156266]  <TASK>
[   13.156325]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.156427]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   13.156524]  cleanup_net (net/core/net_namespace.c:702)
[   13.156617]  process_one_work (kernel/workqueue.c:3314)
[   13.156679]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.156777]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.156865]  kthread (kernel/kthread.c:436)
[   13.156927]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.157016]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.157121]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.157183]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.166767] ------------[ cut here ]------------
| [   13.166837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.166936] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.167172] Tainted: [W]=WARN
[   13.167268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.167358] Workqueue: netns cleanup_net
[   13.167417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.167494] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.167633] RSP: 0018:ff76b9d100247c08 EFLAGS: 00010286
[   13.167702] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   13.167805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.167895] RBP: 0000000000000000 R08: ff31ca2e02cdbe10 R09: ff31ca2e049bd030
[   13.167995] R10: ff31ca2e01180120 R11: fefefefefefefeff R12: 0000000000000000
[   13.168077] R13: 0000000000000010 R14: ff31ca2e01180000 R15: ff31ca2e03330500
[   13.168162] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.168274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.168348] CR2: 00005597cf1d2928 CR3: 0000000003347003 CR4: 0000000000771ef0
[   13.168430] PKRU: 55555554
[   13.168491] Call Trace:
[   13.168543]  <TASK>
[   13.168594]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.168656]  netif_close_many (net/core/dev.c:1804)
[   13.168717]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[   13.168792]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   13.168860]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.168928]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.168989]  cleanup_net (net/core/net_namespace.c:702)
[   13.169050]  process_one_work (kernel/workqueue.c:3314)
[   13.169112]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.169171]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.169231]  kthread (kernel/kthread.c:436)
[   13.169293]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.169353]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.169413]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.169481]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.169695] ------------[ cut here ]------------
| [   13.169769] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.169865] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.170053] Tainted: [W]=WARN
[   13.170112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.170185] Workqueue: netns cleanup_net
[   13.170246] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.170312] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.170443] RSP: 0018:ff76b9d100247c08 EFLAGS: 00010286
[   13.170517] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   13.170597] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.170677] RBP: 0000000000000000 R08: ff31ca2e02ce6f90 R09: ff31ca2e049bd02c
[   13.170765] R10: ff31ca2e049bf120 R11: fefefefefefefeff R12: 0000000000000000
[   13.170845] R13: 0000000000000010 R14: ff31ca2e049bf000 R15: ff31ca2e03330500
[   13.170928] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.171009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.171082] CR2: 00005597cf1d2928 CR3: 0000000003347003 CR4: 0000000000771ef0
[   13.171163] PKRU: 55555554
[   13.171214] Call Trace:
[   13.171265]  <TASK>
[   13.171317]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.171376]  netif_close_many (net/core/dev.c:1804)
[   13.171437]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   13.171511]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   13.171572]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.171640]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.171701]  cleanup_net (net/core/net_namespace.c:702)
[   13.171769]  process_one_work (kernel/workqueue.c:3314)
[   13.171830]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.171890]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.171950]  kthread (kernel/kthread.c:436)
[   13.172011]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.172071]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.172132]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.172196]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.172487] ------------[ cut here ]------------
| [   13.172554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.172652] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.172849] Tainted: [W]=WARN
[   13.172907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.172979] Workqueue: netns cleanup_net
[   13.173040] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.173106] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.173249] RSP: 0018:ff76b9d100247c78 EFLAGS: 00010286
[   13.173315] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.173394] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.173482] RBP: 0000000000000000 R08: ff31ca2e02cdbe10 R09: ff31ca2e061d9030
[   13.173562] R10: ff31ca2e01180120 R11: fefefefefefefeff R12: 0000000000000000
[   13.173642] R13: 0000000000000011 R14: ff31ca2e01180000 R15: ff31ca2e03330500
[   13.173733] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.173815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.173887] CR2: 00005597cf1d2928 CR3: 000000003c447005 CR4: 0000000000771ef0
[   13.173969] PKRU: 55555554
[   13.174020] Call Trace:
[   13.174070]  <TASK>
[   13.174122]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.174190]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.174256]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.174317]  cleanup_net (net/core/net_namespace.c:702)
[   13.174377]  process_one_work (kernel/workqueue.c:3314)
[   13.174437]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.174512]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.174572]  kthread (kernel/kthread.c:436)
[   13.174631]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.174692]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.174761]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.174822]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.175085] ------------[ cut here ]------------
| [   13.175150] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   13.175247] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.175433] Tainted: [W]=WARN
[   13.175496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.175570] Workqueue: netns cleanup_net
[   13.175630] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.175697] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.175840] RSP: 0018:ff76b9d100247c78 EFLAGS: 00010286
[   13.175907] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.175986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03330500
[   13.176066] RBP: 0000000000000000 R08: ff31ca2e02ce6f90 R09: ff31ca2e061a902c
[   13.176148] R10: ff31ca2e049bf120 R11: fefefefefefefeff R12: 0000000000000000
[   13.176229] R13: 0000000000000011 R14: ff31ca2e049bf000 R15: ff31ca2e03330500
[   13.176312] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   13.176394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.176473] CR2: 00005597cf1d2928 CR3: 000000003c447005 CR4: 0000000000771ef0
[   13.176555] PKRU: 55555554
[   13.176606] Call Trace:
[   13.176657]  <TASK>
[   13.176709]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   13.176787]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   13.176855]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   13.176915]  cleanup_net (net/core/net_namespace.c:702)
[   13.176977]  process_one_work (kernel/workqueue.c:3314)
[   13.177037]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.177097]  ? rescuer_thread (kernel/workqueue.c:3672)
[   13.177165]  kthread (kernel/kthread.c:436)
[   13.177225]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.177286]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.177346]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   13.177406]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.177716] ------------[ cut here ]------------
| [   13.177752] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/256
| [   13.177807] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.177924] Tainted: [W]=WARN
[   13.177946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.177981] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.178010] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.178107] RSP: 0018:ff76b9d1002bbcb8 EFLAGS: 00010286
[   13.178137] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.178177] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e0333a700
[   13.178218] RBP: 0000000000000000 R08: ff31ca2e0195eb50 R09: ff31ca2e049bd02c
[   13.178261] R10: ff31ca2e049c8120 R11: fefefefefefefeff R12: 0000000000000000
[   13.178306] R13: 0000000000000010 R14: ff31ca2e049c8000 R15: ff31ca2e0333a700
[   13.178351] FS:  00007ff5edef3840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.178397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.178435] CR2: 00007ff5ee0fa430 CR3: 000000001298e004 CR4: 0000000000771ef0
[   13.178485] PKRU: 55555554
[   13.178500] Call Trace:
[   13.178514]  <TASK>
[   13.178532]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.178554]  register_netdevice (net/core/dev.c:11488)
[   13.178577]  register_netdev (net/core/dev.c:11552)
[   13.178597]  loopback_net_init (drivers/net/loopback.c:218)
[   13.178621]  ? gact_init_net (./include/linux/mutex.h:103 ./include/net/act_api.h:168 net/sched/act_gact.c:305) act_gact
[   13.178650]  ops_init (net/core/net_namespace.c:137)
[   13.178677]  setup_net (net/core/net_namespace.c:446)
[   13.178700]  copy_net_ns (net/core/net_namespace.c:579)
[   13.178719]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.178749]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.178779]  ksys_unshare (kernel/fork.c:3243)
[   13.178804]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.178831]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.178858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.178887] RIP: 0033:0x7ff5ee1b5bcb
[   13.178909] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.179009] RSP: 002b:00007ffcfd122958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.179055] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ee1b5bcb
[   13.179096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.179141] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.179185] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfd124b80
[   13.179231] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfd1258b3
| [   13.179353] ------------[ cut here ]------------
| [   13.179381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/256
| [   13.179433] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.179540] Tainted: [W]=WARN
[   13.179563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.179597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.179627] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.179727] RSP: 0018:ff76b9d1002bbc10 EFLAGS: 00010286
[   13.179756] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.179800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018f7f00
[   13.179843] RBP: 0000000000000000 R08: ff31ca2e0195eb10 R09: ff31ca2e030e3030
[   13.179886] R10: ff31ca2e049bd120 R11: fefefefefefefeff R12: 0000000000000000
[   13.179929] R13: 0000000000000010 R14: ff31ca2e049bd000 R15: ff31ca2e018f7f00
[   13.179973] FS:  00007ff5edef3840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.180016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.180052] CR2: 00007ff5ee0fa430 CR3: 000000001298e004 CR4: 0000000000771ef0
[   13.180096] PKRU: 55555554
[   13.180110] Call Trace:
[   13.180124]  <TASK>
[   13.180138]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.180162]  register_netdevice (net/core/dev.c:11488)
[   13.180180]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.180203]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.180228]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[   13.180252]  ops_init (net/core/net_namespace.c:137)
[   13.180273]  setup_net (net/core/net_namespace.c:446)
[   13.180296]  copy_net_ns (net/core/net_namespace.c:579)
[   13.180319]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.180346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.180375]  ksys_unshare (kernel/fork.c:3243)
[   13.180397]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.180419]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.180441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.180475] RIP: 0033:0x7ff5ee1b5bcb
[   13.180499] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.180599] RSP: 002b:00007ffcfd122958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.180642] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ee1b5bcb
[   13.180686] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.180735] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.180767] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfd124b80
[   13.180812] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfd1258b3
| [   13.180926] ------------[ cut here ]------------
| [   13.180951] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/256
| [   13.181000] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.181108] Tainted: [W]=WARN
[   13.181129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.181167] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.181201] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.181306] RSP: 0018:ff76b9d1002bbbf0 EFLAGS: 00010286
[   13.181336] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.181379] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018fd800
[   13.181422] RBP: 0000000000000000 R08: ff31ca2e01953d10 R09: ff31ca2e12a0f030
[   13.181470] R10: ff31ca2e049bc120 R11: fefefefefefefeff R12: 0000000000000000
[   13.181511] R13: 0000000000000010 R14: ff31ca2e049bc000 R15: ff31ca2e018fd800
[   13.181554] FS:  00007ff5edef3840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.181597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.181633] CR2: 00007ff5ee0fa430 CR3: 000000001298e004 CR4: 0000000000771ef0
[   13.181676] PKRU: 55555554
[   13.181691] Call Trace:
[   13.181705]  <TASK>
[   13.181720]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.181745]  register_netdevice (net/core/dev.c:11488)
[   13.181767]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   13.181786]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   13.181808]  vti_init_net (net/ipv4/ip_vti.c:517)
[   13.181831]  ops_init (net/core/net_namespace.c:137)
[   13.181854]  setup_net (net/core/net_namespace.c:446)
[   13.181877]  copy_net_ns (net/core/net_namespace.c:579)
[   13.181900]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.181930]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.181958]  ksys_unshare (kernel/fork.c:3243)
[   13.181979]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.182001]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.182022]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.182050] RIP: 0033:0x7ff5ee1b5bcb
[   13.182072] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.182172] RSP: 002b:00007ffcfd122958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.182215] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ee1b5bcb
[   13.182260] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.182305] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.182347] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfd124b80
[   13.182391] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfd1258b3
| [   13.182517] ------------[ cut here ]------------
| [   13.182542] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/256
| [   13.182593] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.182701] Tainted: [W]=WARN
[   13.182722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.182761] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.182791] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.182895] RSP: 0018:ff76b9d1002bbca8 EFLAGS: 00010286
[   13.182924] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.182966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018f5800
[   13.183009] RBP: 0000000000000000 R08: ff31ca2e018c7dd0 R09: ff31ca2e049cc034
[   13.183052] R10: ff31ca2e049cb120 R11: fefefefefefefeff R12: 0000000000000000
[   13.183096] R13: 0000000000000010 R14: ff31ca2e049cb000 R15: ff31ca2e018f5800
[   13.183141] FS:  00007ff5edef3840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.183191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.183231] CR2: 00007ff5ee0fa430 CR3: 000000001298e004 CR4: 0000000000771ef0
[   13.183276] PKRU: 55555554
[   13.183289] Call Trace:
[   13.183304]  <TASK>
[   13.183318]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.183340]  register_netdevice (net/core/dev.c:11488)
[   13.183362]  register_netdev (net/core/dev.c:11552)
[   13.183384]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   13.183408]  ops_init (net/core/net_namespace.c:137)
[   13.183428]  setup_net (net/core/net_namespace.c:446)
[   13.183451]  copy_net_ns (net/core/net_namespace.c:579)
[   13.183480]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.183507]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.183536]  ksys_unshare (kernel/fork.c:3243)
[   13.183558]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.183579]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.183601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.183630] RIP: 0033:0x7ff5ee1b5bcb
[   13.183651] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.183748] RSP: 002b:00007ffcfd122958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.183790] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ee1b5bcb
[   13.183833] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.183876] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.183917] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfd124b80
[   13.183961] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfd1258b3
| [   13.184106] ------------[ cut here ]------------
| [   13.184133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/256
| [   13.184192] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.184299] Tainted: [W]=WARN
[   13.184319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.184357] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.184386] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.184489] RSP: 0018:ff76b9d1002bbca0 EFLAGS: 00010286
[   13.184518] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.184561] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018f7700
[   13.184606] RBP: 0000000000000000 R08: ff31ca2e0195ed10 R09: ff31ca2e12a17030
[   13.184651] R10: ff31ca2e049cc120 R11: fefefefefefefeff R12: 0000000000000000
[   13.184694] R13: 0000000000000010 R14: ff31ca2e049cc000 R15: ff31ca2e018f7700
[   13.184741] FS:  00007ff5edef3840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.184789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.184825] CR2: 00007ff5ee0fa430 CR3: 000000001298e004 CR4: 0000000000771ef0
[   13.184870] PKRU: 55555554
[   13.184885] Call Trace:
[   13.184899]  <TASK>
[   13.184914]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.184934]  register_netdevice (net/core/dev.c:11488)
[   13.184952]  register_netdev (net/core/dev.c:11552)
[   13.184974]  sit_init_net (net/ipv6/sit.c:1860)
[   13.184997]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[   13.185018]  ops_init (net/core/net_namespace.c:137)
[   13.185040]  setup_net (net/core/net_namespace.c:446)
[   13.185061]  copy_net_ns (net/core/net_namespace.c:579)
[   13.185083]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.185112]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.185140]  ksys_unshare (kernel/fork.c:3243)
[   13.185164]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.185186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.185207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.185236] RIP: 0033:0x7ff5ee1b5bcb
[   13.185256] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.185356] RSP: 002b:00007ffcfd122958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.185398] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ee1b5bcb
[   13.185440] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.185492] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.185534] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfd124b80
[   13.185576] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfd1258b3
| [   13.185702] ------------[ cut here ]------------
| [   13.185731] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/256
| [   13.185781] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.185885] Tainted: [W]=WARN
[   13.185904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.185941] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.185971] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.186070] RSP: 0018:ff76b9d1002bbca8 EFLAGS: 00010286
[   13.186099] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.186141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018fd700
[   13.186185] RBP: 0000000000000000 R08: ff31ca2e049d0590 R09: ff31ca2e12a14030
[   13.186228] R10: ff31ca2e12a17120 R11: fefefefefefefeff R12: 0000000000000000
[   13.186269] R13: 0000000000000010 R14: ff31ca2e12a17000 R15: ff31ca2e018fd700
[   13.186316] FS:  00007ff5edef3840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.186359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.186395] CR2: 00007ff5ee0fa430 CR3: 000000001298e004 CR4: 0000000000771ef0
[   13.186436] PKRU: 55555554
[   13.186450] Call Trace:
[   13.186466]  <TASK>
[   13.186480]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.186505]  register_netdevice (net/core/dev.c:11488)
[   13.186528]  register_netdev (net/core/dev.c:11552)
[   13.186549]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   13.186576]  ops_init (net/core/net_namespace.c:137)
[   13.186597]  setup_net (net/core/net_namespace.c:446)
[   13.186619]  copy_net_ns (net/core/net_namespace.c:579)
[   13.186641]  create_new_namespaces (kernel/nsproxy.c:132)
[   13.186669]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   13.186692]  ksys_unshare (kernel/fork.c:3243)
[   13.186715]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   13.186738]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.186765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.186794] RIP: 0033:0x7ff5ee1b5bcb
[   13.186815] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.186911] RSP: 002b:00007ffcfd122958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   13.186953] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ee1b5bcb
[   13.186996] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   13.187039] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   13.187082] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcfd124b80
[   13.187124] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcfd1258b3
| [   13.190227] ------------[ cut here ]------------
| [   13.190258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/257
| [   13.190311] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.190426] Tainted: [W]=WARN
[   13.190450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.190486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.190518] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.190619] RSP: 0018:ff76b9d1002bb720 EFLAGS: 00010286
[   13.190648] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   13.190691] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018fd200
[   13.190736] RBP: 0000000000000000 R08: ff31ca2e0195eb50 R09: ff31ca2e12a1402c
[   13.190779] R10: ff31ca2e049c8120 R11: fefefefefefefeff R12: 0000000000000000
[   13.190821] R13: 0000000000000010 R14: ff31ca2e049c8000 R15: ff31ca2e018fd200
[   13.190864] FS:  00007f6f88d46840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.190909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.190943] CR2: 000000001b856988 CR3: 00000000129f1006 CR4: 0000000000771ef0
[   13.190986] PKRU: 55555554
[   13.191001] Call Trace:
[   13.191017]  <TASK>
[   13.191035]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.191056]  __dev_notify_flags (net/core/dev.c:9787)
[   13.191078]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   13.191100]  netif_change_flags (net/core/dev.c:9820)
[   13.191122]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.191145]  ? __nla_validate_parse (lib/nlattr.c:620)
[   13.191175]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   13.191197]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   13.191221]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.191252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.191274]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   13.191298]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.191329]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.191352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.191374]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.191396]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.191420]  ___sys_sendmsg (net/socket.c:2752)
[   13.191444]  __sys_sendmsg (net/socket.c:2784)
[   13.191471]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.191493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.191521] RIP: 0033:0x7f6f88f8008e
[   13.191544] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.191641] RSP: 002b:00007ffd21abcc90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.191686] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f88f8008e
[   13.191730] RDX: 0000000000000000 RSI: 00007ffd21abcd40 RDI: 0000000000000005
[   13.191763] RBP: 00007ffd21abcca0 R08: 0000000000000000 R09: 0000000000000000
[   13.191806] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7e4
[   13.191849] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd21abd410
| [   13.202260] ------------[ cut here ]------------
| [   13.202291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/261
| [   13.202344] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.202474] Tainted: [W]=WARN
[   13.202498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.202536] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.202567] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.202667] RSP: 0018:ff76b9d1002bb870 EFLAGS: 00010286
[   13.202697] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.202743] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e0333a700
[   13.202796] RBP: 0000000000000000 R08: ff31ca2e033cc810 R09: ff31ca2e049bf030
[   13.202842] R10: ff31ca2e12a14120 R11: fefefefefefefeff R12: 0000000000000000
[   13.202885] R13: 0000000000000010 R14: ff31ca2e12a14000 R15: ff31ca2e0333a700
[   13.202931] FS:  00007f114e2e3840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.202974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.203018] CR2: 00000000004a77b8 CR3: 0000000012a3d006 CR4: 0000000000771ef0
[   13.203064] PKRU: 55555554
[   13.203081] Call Trace:
[   13.203100]  <TASK>
[   13.203113]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.203135]  __dev_notify_flags (net/core/dev.c:9787)
[   13.203158]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.203182]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[   13.203206]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.203236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.203260]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[   13.203293]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.203321]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.203345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.203368]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.203388]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.203413]  ___sys_sendmsg (net/socket.c:2752)
[   13.203437]  __sys_sendmsg (net/socket.c:2784)
[   13.203463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.203482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.203514] RIP: 0033:0x7f114e51d08e
[   13.203539] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.203642] RSP: 002b:00007ffce41b4c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.203684] RAX: ffffffffffffffda RBX: 00007ffce41b5420 RCX: 00007f114e51d08e
[   13.203732] RDX: 0000000000000000 RSI: 00007ffce41b4d20 RDI: 0000000000000005
[   13.203777] RBP: 00007ffce41b4c80 R08: 0000000000000000 R09: 0000000000000000
[   13.203819] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7e4
[   13.203862] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce41b53f0
| [   13.207956] ------------[ cut here ]------------
| [   13.207996] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: echo/262
| [   13.208051] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.208167] Tainted: [W]=WARN
[   13.208189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.208225] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.208249] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.208349] RSP: 0018:ff76b9d1002bb9d0 EFLAGS: 00010286
[   13.208378] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   13.208418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e0333a700
[   13.208465] RBP: 0000000000000000 R08: ff31ca2e033cc850 R09: ff31ca2e049be030
[   13.208507] R10: ff31ca2e060ae120 R11: fefefefefefefeff R12: 0000000000000000
[   13.208551] R13: 0000000000000010 R14: ff31ca2e060ae000 R15: ff31ca2e0333a700
[   13.208599] FS:  00007fe9fbb5b740(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.208647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.208690] CR2: 000055f81eb2f068 CR3: 000000000326c003 CR4: 0000000000771ef0
[   13.208746] PKRU: 55555554
[   13.208761] Call Trace:
[   13.208775]  <TASK>
[   13.208791]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.208814]  register_netdevice (net/core/dev.c:11488)
[   13.208838] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[   13.208870] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[   13.208893] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[   13.208928]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[   13.208951]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[   13.208975]  __driver_probe_device (drivers/base/dd.c:871)
[   13.209007]  driver_probe_device (drivers/base/dd.c:901)
[   13.209036]  __device_attach_driver (drivers/base/dd.c:1029)
[   13.209071]  bus_for_each_drv (drivers/base/bus.c:500)
[   13.209095]  __device_attach (drivers/base/dd.c:1101)
[   13.209117]  device_initial_probe (drivers/base/dd.c:1156)
[   13.209136]  bus_probe_device (drivers/base/bus.c:613)
[   13.209159]  device_add (drivers/base/core.c:3706)
[   13.209185] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[   13.209214]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   13.209243]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[   13.209266]  ksys_write (fs/read_write.c:740)
[   13.209288]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.209312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.209342] RIP: 0033:0x7fe9fbbce08e
[   13.209364] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.209470] RSP: 002b:00007ffec1321950 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   13.209513] RAX: ffffffffffffffda RBX: 00007fe9fbd50580 RCX: 00007fe9fbbce08e
[   13.209557] RDX: 0000000000000007 RSI: 000055f81eb2e060 RDI: 0000000000000001
[   13.209599] RBP: 00007ffec1321960 R08: 0000000000000000 R09: 0000000000000000
[   13.209640] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[   13.209685] R13: 0000000000000007 R14: 000055f81eb2e060 R15: 00007fe9fbd50668
| [   13.226494] ------------[ cut here ]------------
| [   13.226526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/266
| [   13.226579] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   13.226709] Tainted: [W]=WARN
[   13.226741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.226768] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.226799] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.226898] RSP: 0018:ff76b9d10033f720 EFLAGS: 00010286
[   13.226927] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   13.226969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e018f5c00
[   13.227012] RBP: 0000000000000000 R08: ff31ca2e033cc850 R09: ff31ca2e049be030
[   13.227052] R10: ff31ca2e060ae120 R11: fefefefefefefeff R12: 0000000000000000
[   13.227098] R13: 0000000000000010 R14: ff31ca2e060ae000 R15: ff31ca2e018f5c00
[   13.227145] FS:  00007f6e96cd4840(0000) GS:ff31ca2e93648000(0000) knlGS:0000000000000000
[   13.227191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.227232] CR2: 000000000b0f5988 CR3: 0000000001fe5001 CR4: 0000000000771ef0
[   13.227277] PKRU: 55555554
[   13.227291] Call Trace:
[   13.227304]  <TASK>
[   13.227319]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   13.227343]  __dev_notify_flags (net/core/dev.c:9787)
[   13.227367]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[   13.227390]  netif_change_flags (net/core/dev.c:9820)
[   13.227413]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.227436]  ? __nla_validate_parse (lib/nlattr.c:620)
[   13.227476]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[   13.227496]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[   13.227519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[   13.227550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.227573]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[   13.227596]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[   13.227627]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.227651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.227674]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.227702]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.227728]  ___sys_sendmsg (net/socket.c:2752)
[   13.227752]  __sys_sendmsg (net/socket.c:2784)
[   13.227777]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.227800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.227823] RIP: 0033:0x7f6e96f0e08e
[   13.227845] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.227949] RSP: 002b:00007ffdd4173ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.227983] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e96f0e08e
[   13.228027] RDX: 0000000000000000 RSI: 00007ffdd41740a0 RDI: 0000000000000005
[   13.228072] RBP: 00007ffdd4174000 R08: 0000000000000000 R09: 0000000000000000
[   13.228116] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e7e4
[   13.228160] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd4174770
| [   23.457730] ------------[ cut here ]------------
| [   23.457817] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: echo/282
| [   23.457904] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.458086] Tainted: [W]=WARN
[   23.458140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.458212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.458275] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.458409] RSP: 0018:ff76b9d1004c3b18 EFLAGS: 00010286
[   23.458472] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   23.458555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.458632] RBP: 0000000000000000 R08: ff31ca2e033cc850 R09: ff31ca2e061b6030
[   23.458706] R10: ff31ca2e060ae120 R11: fefefefefefefeff R12: 0000000000000000
[   23.458787] R13: 0000000000000010 R14: ff31ca2e060ae000 R15: ff31ca2e03331300
[   23.458868] FS:  00007fa27e317740(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.458948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.459019] CR2: 000055813fca6068 CR3: 000000000192e003 CR4: 0000000000771ef0
[   23.459097] PKRU: 55555554
[   23.459145] Call Trace:
[   23.459194]  <TASK>
[   23.459243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.459301]  netif_close_many (net/core/dev.c:1804)
[   23.459359]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[   23.459424]  ? __destroy_inode (fs/inode.c:371)
[   23.459484]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[   23.459551] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   23.459618] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   23.459685] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   23.459761] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   23.459832]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   23.459902]  bus_remove_device (drivers/base/bus.c:657)
[   23.459961]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[   23.460024]  device_del (drivers/base/core.c:3895)
[   23.460082]  device_unregister (drivers/base/core.c:3936)
[   23.460140] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   23.460209]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   23.460277]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[   23.460335]  ksys_write (fs/read_write.c:740)
[   23.460392]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.460452]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.460523] RIP: 0033:0x7fa27e38a08e
[   23.460579] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.460709] RSP: 002b:00007ffc758d03f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   23.460792] RAX: ffffffffffffffda RBX: 00007fa27e50c580 RCX: 00007fa27e38a08e
[   23.460868] RDX: 0000000000000005 RSI: 000055813fca5060 RDI: 0000000000000001
[   23.460945] RBP: 00007ffc758d0400 R08: 0000000000000000 R09: 0000000000000000
[   23.461022] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   23.461098] R13: 0000000000000005 R14: 000055813fca5060 R15: 00007fa27e50c668
| [   23.461381] ------------[ cut here ]------------
| [   23.461443] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: echo/282
| [   23.461534] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.461709] Tainted: [W]=WARN
[   23.461770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.461839] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.461903] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.462035] RSP: 0018:ff76b9d1004c3b88 EFLAGS: 00010286
[   23.462100] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.462176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.462256] RBP: 0000000000000000 R08: ff31ca2e033cc850 R09: ff31ca2e049c1030
[   23.462331] R10: ff31ca2e060ae120 R11: fefefefefefefeff R12: 0000000000000000
[   23.462407] R13: 0000000000000011 R14: ff31ca2e060ae000 R15: ff31ca2e03331300
[   23.462485] FS:  00007fa27e317740(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.462568] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.462637] CR2: 000055813fca6068 CR3: 000000000192e003 CR4: 0000000000771ef0
[   23.462718] PKRU: 55555554
[   23.462772] Call Trace:
[   23.462820]  <TASK>
[   23.462869]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.462933]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[   23.462997] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[   23.463062] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[   23.463128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[   23.463196] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[   23.463261]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[   23.463325]  bus_remove_device (drivers/base/bus.c:657)
[   23.463384]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[   23.463453]  device_del (drivers/base/core.c:3895)
[   23.463518]  device_unregister (drivers/base/core.c:3936)
[   23.463576] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[   23.463642]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[   23.463706]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[   23.463777]  ksys_write (fs/read_write.c:740)
[   23.463838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.463897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.463962] RIP: 0033:0x7fa27e38a08e
[   23.464018] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.464143] RSP: 002b:00007ffc758d03f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   23.464221] RAX: ffffffffffffffda RBX: 00007fa27e50c580 RCX: 00007fa27e38a08e
[   23.464297] RDX: 0000000000000005 RSI: 000055813fca5060 RDI: 0000000000000001
[   23.464374] RBP: 00007ffc758d0400 R08: 0000000000000000 R09: 0000000000000000
[   23.464451] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[   23.464532] R13: 0000000000000005 R14: 000055813fca5060 R15: 00007fa27e50c668
| [   23.490289] ------------[ cut here ]------------
| [   23.490355] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.490478] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.490672] Tainted: [W]=WARN
[   23.490740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.490813] Workqueue: netns cleanup_net
[   23.490872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.490976] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.491138] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   23.491204] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.491278] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.491382] RBP: 0000000000000000 R08: ff31ca2e049d0590 R09: ff31ca2e060a3030
[   23.491459] R10: ff31ca2e12a17120 R11: fefefefefefefeff R12: 0000000000000000
[   23.491545] R13: 0000000000000011 R14: ff31ca2e12a17000 R15: ff31ca2e03331300
[   23.491631] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.491718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.491832] CR2: 00007fe315877574 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.491913] PKRU: 55555554
[   23.491961] Call Trace:
[   23.492011]  <TASK>
[   23.492061]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.492155]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.492218]  cleanup_net (net/core/net_namespace.c:702)
[   23.492321]  process_one_work (kernel/workqueue.c:3314)
[   23.492407]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.492465]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.492529]  kthread (kernel/kthread.c:436)
[   23.492616]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.492670]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.492758]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.492816]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.493094] ------------[ cut here ]------------
| [   23.493188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.493280] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.493465] Tainted: [W]=WARN
[   23.493523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.493608] Workqueue: netns cleanup_net
[   23.493662] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.493768] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.493923] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   23.493997] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.494078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.494194] RBP: 0000000000000000 R08: ff31ca2e0195ed10 R09: ff31ca2e12a0a030
[   23.494273] R10: ff31ca2e049cc120 R11: fefefefefefefeff R12: 0000000000000000
[   23.494387] R13: 0000000000000011 R14: ff31ca2e049cc000 R15: ff31ca2e03331300
[   23.494472] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.494563] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.494663] CR2: 00007fe315877574 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.494756] PKRU: 55555554
[   23.494806] Call Trace:
[   23.494857]  <TASK>
[   23.494906]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.494975]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.495032]  cleanup_net (net/core/net_namespace.c:702)
[   23.495090]  process_one_work (kernel/workqueue.c:3314)
[   23.495153]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.495255]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.495312]  kthread (kernel/kthread.c:436)
[   23.495397]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.495454]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.495518]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.495628]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.495974] ------------[ cut here ]------------
| [   23.496053] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.496203] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.496440] Tainted: [W]=WARN
[   23.496517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.496606] Workqueue: netns cleanup_net
[   23.496673] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.496744] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.496904] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   23.496975] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.497079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.497162] RBP: 0000000000000000 R08: ff31ca2e018c7dd0 R09: ff31ca2e12a0d034
[   23.497260] R10: ff31ca2e049cb120 R11: fefefefefefefeff R12: 0000000000000000
[   23.497353] R13: 0000000000000011 R14: ff31ca2e049cb000 R15: ff31ca2e03331300
[   23.497458] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.497561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.497707] CR2: 00007fe315877574 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.497841] PKRU: 55555554
[   23.497897] Call Trace:
[   23.497956]  <TASK>
[   23.498013]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.498088]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.498152]  cleanup_net (net/core/net_namespace.c:702)
[   23.498228]  process_one_work (kernel/workqueue.c:3314)
[   23.498285]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.498347]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.498413]  kthread (kernel/kthread.c:436)
[   23.498479]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.498550]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.498614]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.498680]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.498932] ------------[ cut here ]------------
| [   23.499006] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.499101] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.499318] Tainted: [W]=WARN
[   23.499411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.499481] Workqueue: netns cleanup_net
[   23.499569] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.499632] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.499770] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   23.499835] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.499948] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.500054] RBP: 0000000000000000 R08: ff31ca2e01953d10 R09: ff31ca2e030d2030
[   23.500134] R10: ff31ca2e049bc120 R11: fefefefefefefeff R12: 0000000000000000
[   23.500219] R13: 0000000000000011 R14: ff31ca2e049bc000 R15: ff31ca2e03331300
[   23.500329] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.500411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.500512] CR2: 00007fe315877574 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.500595] PKRU: 55555554
[   23.500643] Call Trace:
[   23.500738]  <TASK>
[   23.500789]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.500881]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.500937]  cleanup_net (net/core/net_namespace.c:702)
[   23.501030]  process_one_work (kernel/workqueue.c:3314)
[   23.501087]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.501181]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.501272]  kthread (kernel/kthread.c:436)
[   23.501323]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.501383]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.501439]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.501503]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.501776] ------------[ cut here ]------------
| [   23.501844] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.501932] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.502186] Tainted: [W]=WARN
[   23.502265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.502345] Workqueue: netns cleanup_net
[   23.502408] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.502489] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.502657] RSP: 0018:ff76b9d100247ce8 EFLAGS: 00010286
[   23.502747] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.502831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.502907] RBP: 0000000000000000 R08: ff31ca2e0195eb10 R09: ff31ca2e013d0030
[   23.503000] R10: ff31ca2e049bd120 R11: fefefefefefefeff R12: 0000000000000000
[   23.503090] R13: 0000000000000011 R14: ff31ca2e049bd000 R15: ff31ca2e03331300
[   23.503178] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.503273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.503356] CR2: 00007fe315877574 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.503462] PKRU: 55555554
[   23.503515] Call Trace:
[   23.503562]  <TASK>
[   23.503619]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.503690]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   23.503757]  cleanup_net (net/core/net_namespace.c:702)
[   23.503822]  process_one_work (kernel/workqueue.c:3314)
[   23.503886]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.503953]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.504019]  kthread (kernel/kthread.c:436)
[   23.504086]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.504151]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.504218]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.504284]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.508758] ------------[ cut here ]------------
| [   23.508850] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.508957] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.509154] Tainted: [W]=WARN
[   23.509243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.509312] Workqueue: netns cleanup_net
[   23.509369] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.509437] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.509579] RSP: 0018:ff76b9d100247c08 EFLAGS: 00010286
[   23.509642] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   23.509720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.509828] RBP: 0000000000000000 R08: ff31ca2e033cc810 R09: ff31ca2e049bd030
[   23.509909] R10: ff31ca2e12a14120 R11: fefefefefefefeff R12: 0000000000000000
[   23.510031] R13: 0000000000000010 R14: ff31ca2e12a14000 R15: ff31ca2e03331300
[   23.510111] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.510197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.510274] CR2: 0000564fe87d62b8 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.510382] PKRU: 55555554
[   23.510430] Call Trace:
[   23.510478]  <TASK>
[   23.510535]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.510620]  netif_close_many (net/core/dev.c:1804)
[   23.510710]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[   23.510810]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   23.510885]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.510950]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.511009]  cleanup_net (net/core/net_namespace.c:702)
[   23.511102]  process_one_work (kernel/workqueue.c:3314)
[   23.511197]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.511292]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.511382]  kthread (kernel/kthread.c:436)
[   23.511441]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.511499]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.511591]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.511649]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.511875] ------------[ cut here ]------------
| [   23.511943] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.512041] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.512230] Tainted: [W]=WARN
[   23.512289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.512383] Workqueue: netns cleanup_net
[   23.512441] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.512538] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.512672] RSP: 0018:ff76b9d100247c08 EFLAGS: 00010286
[   23.512740] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   23.512818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.512902] RBP: 0000000000000000 R08: ff31ca2e0195eb50 R09: ff31ca2e049bd02c
[   23.512981] R10: ff31ca2e049c8120 R11: fefefefefefefeff R12: 0000000000000000
[   23.513086] R13: 0000000000000010 R14: ff31ca2e049c8000 R15: ff31ca2e03331300
[   23.513163] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.513239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.513321] CR2: 0000564fe87d62b8 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.513428] PKRU: 55555554
[   23.513476] Call Trace:
[   23.513533]  <TASK>
[   23.513582]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   23.513639]  netif_close_many (net/core/dev.c:1804)
[   23.513699]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   23.513773]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   23.513859]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.513923]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.514009]  cleanup_net (net/core/net_namespace.c:702)
[   23.514068]  process_one_work (kernel/workqueue.c:3314)
[   23.514125]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.514217]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.514309]  kthread (kernel/kthread.c:436)
[   23.514397]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.514453]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.514517]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.514575]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.514858] ------------[ cut here ]------------
| [   23.514934] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.515053] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.515238] Tainted: [W]=WARN
[   23.515296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.515398] Workqueue: netns cleanup_net
[   23.515486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.515593] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.515737] RSP: 0018:ff76b9d100247c78 EFLAGS: 00010286
[   23.515801] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.515891] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.516009] RBP: 0000000000000000 R08: ff31ca2e033cc810 R09: ff31ca2e019b9830
[   23.516103] R10: ff31ca2e12a14120 R11: fefefefefefefeff R12: 0000000000000000
[   23.516184] R13: 0000000000000011 R14: ff31ca2e12a14000 R15: ff31ca2e03331300
[   23.516278] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.516358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.516467] CR2: 0000564fe87d62b8 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.516559] PKRU: 55555554
[   23.516607] Call Trace:
[   23.516658]  <TASK>
[   23.516710]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.516811]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.516874]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.516970]  cleanup_net (net/core/net_namespace.c:702)
[   23.517030]  process_one_work (kernel/workqueue.c:3314)
[   23.517120]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.517178]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.517264]  kthread (kernel/kthread.c:436)
[   23.517328]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.517413]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.517471]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.517532]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.517777] ------------[ cut here ]------------
| [   23.517880] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: 1/65
| [   23.517982] Modules linked in: drop_monitor act_gact cls_flower sch_ingress netdevsim psample
| [   23.518171] Tainted: [W]=WARN
[   23.518226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.518297] Workqueue: netns cleanup_net
[   23.518355] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.518421] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   23.518562] RSP: 0018:ff76b9d100247c78 EFLAGS: 00010286
[   23.518626] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   23.518703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff31ca2e03331300
[   23.518792] RBP: 0000000000000000 R08: ff31ca2e0195eb50 R09: ff31ca2e04b8702c
[   23.518871] R10: ff31ca2e049c8120 R11: fefefefefefefeff R12: 0000000000000000
[   23.518949] R13: 0000000000000011 R14: ff31ca2e049c8000 R15: ff31ca2e03331300
[   23.519030] FS:  0000000000000000(0000) GS:ff31ca2e93748000(0000) knlGS:0000000000000000
[   23.519109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.519212] CR2: 0000564fe87d62b8 CR3: 000000003c447002 CR4: 0000000000771ef0
[   23.519336] PKRU: 55555554
[   23.519392] Call Trace:
[   23.519448]  <TASK>
[   23.519529]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   23.519615]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   23.519688]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   23.519771]  cleanup_net (net/core/net_namespace.c:702)
[   23.519836]  process_one_work (kernel/workqueue.c:3314)
[   23.519903]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.519961]  ? rescuer_thread (kernel/workqueue.c:3672)
[   23.520019]  kthread (kernel/kthread.c:436)
[   23.520079]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   23.520140]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.520200]  ? 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:__dev_notify_flags:rtnl_configure_link:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_create:__nsim_dev_port_add
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:unregister_netdevice_queue
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch