======================================
| xx__-> [    2.269259] ------------[ cut here ]------------
| [    2.269317] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
| [    2.269373] Modules linked in: nf_defrag_ipv6
| [    2.269466] Tainted: [W]=WARN
[    2.269488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.269531] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.269564] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.269661] RSP: 0018:ff7f7887403efcb8 EFLAGS: 00010286
[    2.269692] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.269733] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b8581c80300
[    2.269779] RBP: 0000000000000000 R08: ff443b8584405210 R09: ff443b85846be02c
[    2.269820] R10: ff443b85846b9120 R11: fefefefefefefeff R12: 0000000000000000
[    2.269855] R13: 0000000000000010 R14: ff443b85846b9000 R15: ff443b8581c80300
[    2.269899] FS:  00007f31df126840(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[    2.269938] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.269974] CR2: 0000000000479648 CR3: 00000000045d4004 CR4: 0000000000771ef0
[    2.270016] PKRU: 55555554
[    2.270030] Call Trace:
[    2.270043]  <TASK>
[    2.270059]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.270080]  register_netdevice (net/core/dev.c:11488)
[    2.270104]  register_netdev (net/core/dev.c:11552)
[    2.270126]  loopback_net_init (drivers/net/loopback.c:218)
[    2.270150]  ops_init (net/core/net_namespace.c:137)
[    2.270175]  setup_net (net/core/net_namespace.c:446)
[    2.270198]  copy_net_ns (net/core/net_namespace.c:579)
[    2.270221]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.270254]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.270279]  ksys_unshare (kernel/fork.c:3243)
[    2.270306]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.270328]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.270353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.270385] RIP: 0033:0x7f31df3e8bcb
[    2.270407] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.270505] RSP: 002b:00007ffdc2d58c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.270540] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f31df3e8bcb
[    2.270584] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.270628] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.270669] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdc2d5ae70
[    2.270717] R13: 0000000000000001 R14: 00007f31df1266f8 R15: 00007ffdc2d5c8c6
| [    2.270857] ------------[ cut here ]------------
| [    2.270885] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
| [    2.270935] Modules linked in: nf_defrag_ipv6
| [    2.271023] Tainted: [W]=WARN
[    2.271044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.271080] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.271113] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.271210] RSP: 0018:ff7f7887403efc10 EFLAGS: 00010286
[    2.271240] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.271280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858184b900
[    2.271323] RBP: 0000000000000000 R08: ff443b85844d6090 R09: ff443b85846c5830
[    2.271363] R10: ff443b85846be120 R11: fefefefefefefeff R12: 0000000000000000
[    2.271411] R13: 0000000000000010 R14: ff443b85846be000 R15: ff443b858184b900
[    2.271456] FS:  00007f31df126840(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[    2.271497] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.271536] CR2: 0000000000479648 CR3: 00000000045d4004 CR4: 0000000000771ef0
[    2.271575] PKRU: 55555554
[    2.271589] Call Trace:
[    2.271602]  <TASK>
[    2.271615]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.271639]  register_netdevice (net/core/dev.c:11488)
[    2.271660]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.271685]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.271708]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.271733]  ops_init (net/core/net_namespace.c:137)
[    2.271757]  setup_net (net/core/net_namespace.c:446)
[    2.271779]  copy_net_ns (net/core/net_namespace.c:579)
[    2.271804]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.271838]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.271870]  ksys_unshare (kernel/fork.c:3243)
[    2.271892]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.271913]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.271941]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.271972] RIP: 0033:0x7f31df3e8bcb
[    2.271994] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.272096] RSP: 002b:00007ffdc2d58c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.272146] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f31df3e8bcb
[    2.272187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.272230] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.272276] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdc2d5ae70
[    2.272322] R13: 0000000000000001 R14: 00007f31df1266f8 R15: 00007ffdc2d5c8c6
| [    2.272436] ------------[ cut here ]------------
| [    2.272463] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
| [    2.272507] Modules linked in: nf_defrag_ipv6
| [    2.272591] Tainted: [W]=WARN
[    2.272614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.272647] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.272676] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.272777] RSP: 0018:ff7f7887403efbf0 EFLAGS: 00010286
[    2.272804] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.272846] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b8581c7c200
[    2.272886] RBP: 0000000000000000 R08: ff443b8583279210 R09: ff443b85846c3830
[    2.272927] R10: ff443b85846bd120 R11: fefefefefefefeff R12: 0000000000000000
[    2.272970] R13: 0000000000000010 R14: ff443b85846bd000 R15: ff443b8581c7c200
[    2.273012] FS:  00007f31df126840(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[    2.273047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.273084] CR2: 0000000000479648 CR3: 00000000045d4004 CR4: 0000000000771ef0
[    2.273133] PKRU: 55555554
[    2.273146] Call Trace:
[    2.273162]  <TASK>
[    2.273179]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.273201]  register_netdevice (net/core/dev.c:11488)
[    2.273222]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.273244]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.273267]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.273289]  ops_init (net/core/net_namespace.c:137)
[    2.273317]  setup_net (net/core/net_namespace.c:446)
[    2.273338]  copy_net_ns (net/core/net_namespace.c:579)
[    2.273361]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.273388]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.273418]  ksys_unshare (kernel/fork.c:3243)
[    2.273438]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.273460]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.273484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.273511] RIP: 0033:0x7f31df3e8bcb
[    2.273533] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.273627] RSP: 002b:00007ffdc2d58c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.273666] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f31df3e8bcb
[    2.273706] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.273746] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.273791] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdc2d5ae70
[    2.273830] R13: 0000000000000001 R14: 00007f31df1266f8 R15: 00007ffdc2d5c8c6
| [    2.273967] ------------[ cut here ]------------
| [    2.273995] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
| [    2.274044] Modules linked in: nf_defrag_ipv6
| [    2.274132] Tainted: [W]=WARN
[    2.274152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.274187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.274214] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.274314] RSP: 0018:ff7f7887403efca8 EFLAGS: 00010286
[    2.274342] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.274381] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858183c600
[    2.274421] RBP: 0000000000000000 R08: ff443b8584536fd0 R09: ff443b8585c39034
[    2.274462] R10: ff443b85846bc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.274495] R13: 0000000000000010 R14: ff443b85846bc000 R15: ff443b858183c600
[    2.274539] FS:  00007f31df126840(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[    2.274581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.274614] CR2: 0000000000479648 CR3: 00000000045d4004 CR4: 0000000000771ef0
[    2.274653] PKRU: 55555554
[    2.274668] Call Trace:
[    2.274682]  <TASK>
[    2.274695]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.274715]  register_netdevice (net/core/dev.c:11488)
[    2.274737]  register_netdev (net/core/dev.c:11552)
[    2.274761]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.274781]  ops_init (net/core/net_namespace.c:137)
[    2.274801]  setup_net (net/core/net_namespace.c:446)
[    2.274823]  copy_net_ns (net/core/net_namespace.c:579)
[    2.274844]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.274872]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.274899]  ksys_unshare (kernel/fork.c:3243)
[    2.274919]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.274940]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.274962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.274994] RIP: 0033:0x7f31df3e8bcb
[    2.275013] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.275104] RSP: 002b:00007ffdc2d58c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.275143] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f31df3e8bcb
[    2.275183] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.275224] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.275262] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdc2d5ae70
[    2.275306] R13: 0000000000000001 R14: 00007f31df1266f8 R15: 00007ffdc2d5c8c6
| [    2.275440] ------------[ cut here ]------------
| [    2.275466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
| [    2.275515] Modules linked in: nf_defrag_ipv6
| [    2.275600] Tainted: [W]=WARN
[    2.275621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.275657] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.275692] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.275797] RSP: 0018:ff7f7887403efca0 EFLAGS: 00010286
[    2.275824] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.275863] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b8581c83f00
[    2.275907] RBP: 0000000000000000 R08: ff443b85844d3f90 R09: ff443b8585c3e030
[    2.275951] R10: ff443b8585c39120 R11: fefefefefefefeff R12: 0000000000000000
[    2.275992] R13: 0000000000000010 R14: ff443b8585c39000 R15: ff443b8581c83f00
[    2.276036] FS:  00007f31df126840(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[    2.276079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.276119] CR2: 0000000000479648 CR3: 00000000045d4004 CR4: 0000000000771ef0
[    2.276159] PKRU: 55555554
[    2.276174] Call Trace:
[    2.276189]  <TASK>
[    2.276205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.276227]  register_netdevice (net/core/dev.c:11488)
[    2.276245]  register_netdev (net/core/dev.c:11552)
[    2.276266]  sit_init_net (net/ipv6/sit.c:1860)
[    2.276287]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.276314]  ops_init (net/core/net_namespace.c:137)
[    2.276336]  setup_net (net/core/net_namespace.c:446)
[    2.276357]  copy_net_ns (net/core/net_namespace.c:579)
[    2.276378]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.276405]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.276435]  ksys_unshare (kernel/fork.c:3243)
[    2.276457]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.276477]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.276500]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.276524] RIP: 0033:0x7f31df3e8bcb
[    2.276544] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.276640] RSP: 002b:00007ffdc2d58c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.276682] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f31df3e8bcb
[    2.276724] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.276770] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.276814] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdc2d5ae70
[    2.276858] R13: 0000000000000001 R14: 00007f31df1266f8 R15: 00007ffdc2d5c8c6
| [    2.276996] ------------[ cut here ]------------
| [    2.277023] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/182
| [    2.277071] Modules linked in: nf_defrag_ipv6
| [    2.277153] Tainted: [W]=WARN
[    2.277172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.277210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.277239] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.277343] RSP: 0018:ff7f7887403efca8 EFLAGS: 00010286
[    2.277371] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.277409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b8581c80600
[    2.277450] RBP: 0000000000000000 R08: ff443b85844a42d0 R09: ff443b8585c5b030
[    2.277491] R10: ff443b8585c3e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.277535] R13: 0000000000000010 R14: ff443b8585c3e000 R15: ff443b8581c80600
[    2.277579] FS:  00007f31df126840(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[    2.277619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.277654] CR2: 0000000000479648 CR3: 00000000045d4004 CR4: 0000000000771ef0
[    2.277694] PKRU: 55555554
[    2.277707] Call Trace:
[    2.277721]  <TASK>
[    2.277733]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.277755]  register_netdevice (net/core/dev.c:11488)
[    2.277778]  register_netdev (net/core/dev.c:11552)
[    2.277800]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.277823]  ops_init (net/core/net_namespace.c:137)
[    2.277844]  setup_net (net/core/net_namespace.c:446)
[    2.277867]  copy_net_ns (net/core/net_namespace.c:579)
[    2.277888]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.277919]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.277945]  ksys_unshare (kernel/fork.c:3243)
[    2.277967]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.277987]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.278007]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.278038] RIP: 0033:0x7f31df3e8bcb
[    2.278059] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.278153] RSP: 002b:00007ffdc2d58c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.278195] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f31df3e8bcb
[    2.278241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.278285] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.278336] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdc2d5ae70
[    2.278379] R13: 0000000000000001 R14: 00007f31df1266f8 R15: 00007ffdc2d5c8c6
| [    2.281619] ------------[ cut here ]------------
| [    2.281649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/183
| [    2.281711] Modules linked in: nf_defrag_ipv6
| [    2.281803] Tainted: [W]=WARN
[    2.281822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.281856] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.281879] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.281976] RSP: 0018:ff7f7887403ef720 EFLAGS: 00010286
[    2.282005] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.282045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b8581c7e100
[    2.282087] RBP: 0000000000000000 R08: ff443b8584405210 R09: ff443b8581d9702c
[    2.282128] R10: ff443b85846b9120 R11: fefefefefefefeff R12: 0000000000000000
[    2.282174] R13: 0000000000000010 R14: ff443b85846b9000 R15: ff443b8581c7e100
[    2.282218] FS:  00007f1295fc9840(0000) GS:ff443b86393c8000(0000) knlGS:0000000000000000
[    2.282262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.282301] CR2: 0000000008f91988 CR3: 00000000032de004 CR4: 0000000000771ef0
[    2.282346] PKRU: 55555554
[    2.282364] Call Trace:
[    2.282380]  <TASK>
[    2.282395]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.282416]  __dev_notify_flags (net/core/dev.c:9787)
[    2.282438]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.282464]  netif_change_flags (net/core/dev.c:9820)
[    2.282485]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.282507]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.282540]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.282562]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.282584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.282613]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.282636]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.282661]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.282690]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.282710]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.282733]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.282756]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.282778]  ___sys_sendmsg (net/socket.c:2752)
[    2.282802]  __sys_sendmsg (net/socket.c:2784)
[    2.282826]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.282849]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.282880] RIP: 0033:0x7f129620308e
[    2.282902] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    2.282994] RSP: 002b:00007ffe6febfda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.283037] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f129620308e
[    2.283077] RDX: 0000000000000000 RSI: 00007ffe6febfe50 RDI: 0000000000000005
[    2.283122] RBP: 00007ffe6febfdb0 R08: 0000000000000000 R09: 0000000000000000
[    2.283162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10eb1a
[    2.283204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6fec0520
| [   18.773042] ------------[ cut here ]------------
| [   18.773102] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   18.773182] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [   18.773461] Tainted: [W]=WARN
[   18.773486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.773521] Workqueue: netns cleanup_net
[   18.773549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.773581] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.773677] RSP: 0018:ff7f788740067ce8 EFLAGS: 00010286
[   18.773708] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.773764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858189b200
[   18.773810] RBP: 0000000000000000 R08: ff443b85844a42d0 R09: ff443b85846c7830
[   18.773852] R10: ff443b8585c3e120 R11: fefefefefefefeff R12: 0000000000000000
[   18.773893] R13: 0000000000000011 R14: ff443b8585c3e000 R15: ff443b858189b200
[   18.773932] FS:  0000000000000000(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[   18.773984] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.774019] CR2: 00007f979744e770 CR3: 0000000020847004 CR4: 0000000000771ef0
[   18.774063] PKRU: 55555554
[   18.774078] Call Trace:
[   18.774100]  <TASK>
[   18.774118]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.774150]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.774173]  cleanup_net (net/core/net_namespace.c:702)
[   18.774197]  process_one_work (kernel/workqueue.c:3314)
[   18.774224]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.774243]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.774264]  kthread (kernel/kthread.c:436)
[   18.774288]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.774308]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.774332]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.774361]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.774510] ------------[ cut here ]------------
| [   18.774538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   18.774592] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [   18.774700] Tainted: [W]=WARN
[   18.774720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.774756] Workqueue: netns cleanup_net
[   18.774779] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.774806] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.774903] RSP: 0018:ff7f788740067ce8 EFLAGS: 00010286
[   18.774929] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.774976] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858189b200
[   18.775014] RBP: 0000000000000000 R08: ff443b85844d3f90 R09: ff443b8585c52830
[   18.775055] R10: ff443b8585c39120 R11: fefefefefefefeff R12: 0000000000000000
[   18.775098] R13: 0000000000000011 R14: ff443b8585c39000 R15: ff443b858189b200
[   18.775141] FS:  0000000000000000(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[   18.775184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.775219] CR2: 00007f979744e770 CR3: 0000000020847004 CR4: 0000000000771ef0
[   18.775254] PKRU: 55555554
[   18.775268] Call Trace:
[   18.775284]  <TASK>
[   18.775298]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.775326]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.775356]  cleanup_net (net/core/net_namespace.c:702)
[   18.775378]  process_one_work (kernel/workqueue.c:3314)
[   18.775398]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.775418]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.775441]  kthread (kernel/kthread.c:436)
[   18.775463]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.775481]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.775503]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.775525]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.775634] ------------[ cut here ]------------
| [   18.775660] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   18.775713] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [   18.775822] Tainted: [W]=WARN
[   18.775847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.775883] Workqueue: netns cleanup_net
[   18.775906] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.775936] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.776031] RSP: 0018:ff7f788740067ce8 EFLAGS: 00010286
[   18.776058] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.776096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858189b200
[   18.776137] RBP: 0000000000000000 R08: ff443b8584536fd0 R09: ff443b85846c1834
[   18.776180] R10: ff443b85846bc120 R11: fefefefefefefeff R12: 0000000000000000
[   18.776226] R13: 0000000000000011 R14: ff443b85846bc000 R15: ff443b858189b200
[   18.776272] FS:  0000000000000000(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[   18.776327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.776363] CR2: 00007f979744e770 CR3: 0000000020847004 CR4: 0000000000771ef0
[   18.776405] PKRU: 55555554
[   18.776419] Call Trace:
[   18.776432]  <TASK>
[   18.776445]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.776472]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.776492]  cleanup_net (net/core/net_namespace.c:702)
[   18.776514]  process_one_work (kernel/workqueue.c:3314)
[   18.776536]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.776558]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.776578]  kthread (kernel/kthread.c:436)
[   18.776601]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.776629]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.776652]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.776676]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.776777] ------------[ cut here ]------------
| [   18.776803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   18.776861] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [   18.776967] Tainted: [W]=WARN
[   18.776987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.777022] Workqueue: netns cleanup_net
[   18.777049] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.777078] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.777173] RSP: 0018:ff7f788740067ce8 EFLAGS: 00010286
[   18.777202] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.777242] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858189b200
[   18.777285] RBP: 0000000000000000 R08: ff443b8583279210 R09: ff443b85846c5030
[   18.777325] R10: ff443b85846bd120 R11: fefefefefefefeff R12: 0000000000000000
[   18.777368] R13: 0000000000000011 R14: ff443b85846bd000 R15: ff443b858189b200
[   18.777416] FS:  0000000000000000(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[   18.777456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.777494] CR2: 00007f979744e770 CR3: 0000000020847004 CR4: 0000000000771ef0
[   18.777534] PKRU: 55555554
[   18.777551] Call Trace:
[   18.777564]  <TASK>
[   18.777576]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.777604]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.777627]  cleanup_net (net/core/net_namespace.c:702)
[   18.777655]  process_one_work (kernel/workqueue.c:3314)
[   18.777676]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.777696]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.777717]  kthread (kernel/kthread.c:436)
[   18.777740]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.777783]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.777807]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.777825]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.777926] ------------[ cut here ]------------
| [   18.777953] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   18.778008] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [   18.778115] Tainted: [W]=WARN
[   18.778135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.778167] Workqueue: netns cleanup_net
[   18.778191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.778217] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.778310] RSP: 0018:ff7f788740067ce8 EFLAGS: 00010286
[   18.778339] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.778386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858189b200
[   18.778427] RBP: 0000000000000000 R08: ff443b85844d6090 R09: ff443b8584693030
[   18.778476] R10: ff443b85846be120 R11: fefefefefefefeff R12: 0000000000000000
[   18.778517] R13: 0000000000000011 R14: ff443b85846be000 R15: ff443b858189b200
[   18.778561] FS:  0000000000000000(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[   18.778606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.778642] CR2: 00007f979744e770 CR3: 0000000020847004 CR4: 0000000000771ef0
[   18.778684] PKRU: 55555554
[   18.778696] Call Trace:
[   18.778707]  <TASK>
[   18.778719]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.778748]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   18.778777]  cleanup_net (net/core/net_namespace.c:702)
[   18.778798]  process_one_work (kernel/workqueue.c:3314)
[   18.778817]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.778838]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.778861]  kthread (kernel/kthread.c:436)
[   18.778885]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.778905]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.778928]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.778951]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.788773] ------------[ cut here ]------------
| [   18.788803] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   18.788861] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [   18.788968] Tainted: [W]=WARN
[   18.788991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.789025] Workqueue: netns cleanup_net
[   18.789044] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.789072] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.789166] RSP: 0018:ff7f788740067c08 EFLAGS: 00010286
[   18.789193] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[   18.789232] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858189b200
[   18.789275] RBP: 0000000000000000 R08: ff443b8584405210 R09: ff443b85846be02c
[   18.789314] R10: ff443b85846b9120 R11: fefefefefefefeff R12: 0000000000000000
[   18.789357] R13: 0000000000000010 R14: ff443b85846b9000 R15: ff443b858189b200
[   18.789403] FS:  0000000000000000(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[   18.789447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.789481] CR2: 00007f979744e770 CR3: 0000000020847004 CR4: 0000000000771ef0
[   18.789523] PKRU: 55555554
[   18.789535] Call Trace:
[   18.789549]  <TASK>
[   18.789562]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   18.789585]  netif_close_many (net/core/dev.c:1804)
[   18.789608]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   18.789635]  ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3))
[   18.789663]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.789693]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.789714]  cleanup_net (net/core/net_namespace.c:702)
[   18.789737]  process_one_work (kernel/workqueue.c:3314)
[   18.789761]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.789779]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.789801]  kthread (kernel/kthread.c:436)
[   18.789826]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.789847]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.789865]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.789887]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.790001] ------------[ cut here ]------------
| [   18.790029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [   18.790096] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [   18.790195] Tainted: [W]=WARN
[   18.790217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.790253] Workqueue: netns cleanup_net
[   18.790278] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.790307] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 86 9c fb ff       	call   0xfffffffffffb9cc2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.790408] RSP: 0018:ff7f788740067c78 EFLAGS: 00010286
[   18.790435] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   18.790475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff443b858189b200
[   18.790515] RBP: 0000000000000000 R08: ff443b8584405210 R09: ff443b858469482c
[   18.790554] R10: ff443b85846b9120 R11: fefefefefefefeff R12: 0000000000000000
[   18.790592] R13: 0000000000000011 R14: ff443b85846b9000 R15: ff443b858189b200
[   18.790637] FS:  0000000000000000(0000) GS:ff443b8639248000(0000) knlGS:0000000000000000
[   18.790679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.790714] CR2: 00007f979744e770 CR3: 0000000020847004 CR4: 0000000000771ef0
[   18.790761] PKRU: 55555554
[   18.790775] Call Trace:
[   18.790790]  <TASK>
[   18.790805]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   18.790829]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   18.790856]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   18.790880]  cleanup_net (net/core/net_namespace.c:702)
[   18.790903]  process_one_work (kernel/workqueue.c:3314)
[   18.790925]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.790948]  ? rescuer_thread (kernel/workqueue.c:3672)
[   18.790970]  kthread (kernel/kthread.c:436)
[   18.790990]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[   18.791012]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.791034]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


Finger prints:
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch