======================================
| 0
| xx__-> [    2.203456] ------------[ cut here ]------------
| [    2.203571] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.203786] Tainted: [W]=WARN
[    2.203849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.203922] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.203987] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.204132] RSP: 0018:ff4470db803afcc8 EFLAGS: 00010286
[    2.204199] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.204280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336ff00
[    2.204390] RBP: 0000000000000000 R08: ff1ac70f4482a290 R09: ff1ac70f430d502c
[    2.204496] R10: ff1ac70f430d0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.204572] R13: 0000000000000010 R14: ff1ac70f430d0000 R15: ff1ac70f4336ff00
[    2.204682] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.204764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.204842] CR2: 00007f895117e0a0 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.204924] PKRU: 55555554
[    2.205000] Call Trace:
[    2.205048]  <TASK>
[    2.205097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.205190]  register_netdevice (net/core/dev.c:11488)
[    2.205250]  register_netdev (net/core/dev.c:11552)
[    2.205361]  loopback_net_init (drivers/net/loopback.c:218)
[    2.205421]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.205487]  ops_init (net/core/net_namespace.c:137)
[    2.205546]  setup_net (net/core/net_namespace.c:446)
[    2.205604]  copy_net_ns (net/core/net_namespace.c:579)
[    2.205663]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.205731]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.205800]  ksys_unshare (kernel/fork.c:3243)
[    2.205892]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.205975]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.206036]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.206111] RIP: 0033:0x7f8951206bcb
[    2.206164] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.206299] RSP: 002b:00007fff8f0bf188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.206378] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8951206bcb
[    2.206459] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.206563] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.206645] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.206726] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000020
| [    2.206895] ---[ end trace 0000000000000000 ]---
| [    2.207094] ------------[ cut here ]------------
| [    2.207164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.207342] Tainted: [W]=WARN
[    2.207399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.207497] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.207563] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.207699] RSP: 0018:ff4470db803afcb0 EFLAGS: 00010286
[    2.207765] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.207852] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336ff00
[    2.207934] RBP: 0000000000000000 R08: ff1ac70f418f9e50 R09: ff1ac70f44a2a030
[    2.208014] R10: ff1ac70f430d5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.208091] R13: 0000000000000010 R14: ff1ac70f430d5000 R15: ff1ac70f4336ff00
[    2.208176] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.208267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.208344] CR2: 00007f895117e0a0 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.208425] PKRU: 55555554
[    2.208474] Call Trace:
[    2.208520]  <TASK>
[    2.208570]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.208629]  register_netdevice (net/core/dev.c:11488)
[    2.208688]  register_netdev (net/core/dev.c:11552)
[    2.208769]  sit_init_net (net/ipv6/sit.c:1860)
[    2.208836]  ops_init (net/core/net_namespace.c:137)
[    2.208896]  setup_net (net/core/net_namespace.c:446)
[    2.208955]  copy_net_ns (net/core/net_namespace.c:579)
[    2.209018]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.209082]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.209158]  ksys_unshare (kernel/fork.c:3243)
[    2.209244]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.209331]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.209417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.209507] RIP: 0033:0x7f8951206bcb
[    2.209575] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.209713] RSP: 002b:00007fff8f0bf188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.209791] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8951206bcb
[    2.209879] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.209982] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.210059] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.210142] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000020
| [    2.210324] ---[ end trace 0000000000000000 ]---
| [    2.210637] ------------[ cut here ]------------
| [    2.210700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.210888] Tainted: [W]=WARN
[    2.210943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.211016] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.211080] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.211218] RSP: 0018:ff4470db803afcc8 EFLAGS: 00010286
[    2.211280] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.211357] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336ff00
[    2.211439] RBP: 0000000000000000 R08: ff1ac70f41228b90 R09: ff1ac70f44a4102c
[    2.211523] R10: ff1ac70f44a2c120 R11: fefefefefefefeff R12: 0000000000000000
[    2.211599] R13: 0000000000000010 R14: ff1ac70f44a2c000 R15: ff1ac70f4336ff00
[    2.211680] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.211757] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.211833] CR2: 00007f895117e0a0 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.211911] PKRU: 55555554
[    2.211958] Call Trace:
[    2.212007]  <TASK>
[    2.212059]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.212122]  register_netdevice (net/core/dev.c:11488)
[    2.212206]  register_netdev (net/core/dev.c:11552)
[    2.212299]  loopback_net_init (drivers/net/loopback.c:218)
[    2.212388]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.212500]  ops_init (net/core/net_namespace.c:137)
[    2.212557]  setup_net (net/core/net_namespace.c:446)
[    2.212615]  copy_net_ns (net/core/net_namespace.c:579)
[    2.212699]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.212765]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.212836]  ksys_unshare (kernel/fork.c:3243)
[    2.212897]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.212954]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.213013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.213076] RIP: 0033:0x7f8951206bcb
[    2.213137] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.213269] RSP: 002b:00007fff8f0bf188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.213348] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8951206bcb
[    2.213424] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.213500] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.213575] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.213653] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000020
| [    2.213780] ---[ end trace 0000000000000000 ]---
| [    2.213937] ------------[ cut here ]------------
| [    2.214001] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.214185] Tainted: [W]=WARN
[    2.214283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.214362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.214427] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.214562] RSP: 0018:ff4470db803afcb0 EFLAGS: 00010286
[    2.214627] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.214704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336ff00
[    2.214781] RBP: 0000000000000000 R08: ff1ac70f41228c90 R09: ff1ac70f44a46030
[    2.214866] R10: ff1ac70f44a41120 R11: fefefefefefefeff R12: 0000000000000000
[    2.214970] R13: 0000000000000010 R14: ff1ac70f44a41000 R15: ff1ac70f4336ff00
[    2.215079] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.215190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.215294] CR2: 00007f895117e0a0 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.215379] PKRU: 55555554
[    2.215464] Call Trace:
[    2.215513]  <TASK>
[    2.215563]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.215619]  register_netdevice (net/core/dev.c:11488)
[    2.215677]  register_netdev (net/core/dev.c:11552)
[    2.215733]  sit_init_net (net/ipv6/sit.c:1860)
[    2.215793]  ops_init (net/core/net_namespace.c:137)
[    2.215856]  setup_net (net/core/net_namespace.c:446)
[    2.215944]  copy_net_ns (net/core/net_namespace.c:579)
[    2.216009]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.216113]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.216182]  ksys_unshare (kernel/fork.c:3243)
[    2.216239]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.216291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.216387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.216460] RIP: 0033:0x7f8951206bcb
[    2.216517] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.216649] RSP: 002b:00007fff8f0bf188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.216729] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8951206bcb
[    2.216809] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.216912] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.217002] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.217121] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000020
| [    2.217251] ---[ end trace 0000000000000000 ]---
| [    2.217474] ------------[ cut here ]------------
| [    2.217537] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.217724] Tainted: [W]=WARN
[    2.217779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.217855] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.217923] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.218056] RSP: 0018:ff4470db803af7b0 EFLAGS: 00010286
[    2.218126] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.218228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370000
[    2.218307] RBP: 0000000000000000 R08: ff1ac70f41228d90 R09: ff1ac70f44a51034
[    2.218383] R10: ff1ac70f44a45120 R11: fefefefefefefeff R12: 0000000000000000
[    2.218459] R13: 0000000000000010 R14: ff1ac70f44a45000 R15: ff1ac70f43370000
[    2.218539] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.218618] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.218688] CR2: 00007f895117e0a0 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.218766] PKRU: 55555554
[    2.218822] Call Trace:
[    2.218870]  <TASK>
[    2.218920]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.218977]  __dev_notify_flags (net/core/dev.c:9787)
[    2.219034]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.219091]  veth_newlink (drivers/net/veth.c:1871)
[    2.219156]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.219214]  ? __d_alloc (fs/dcache.c:1807 (discriminator 11))
[    2.219274]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.219337]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.219398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.219462]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.219519]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.219578]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.219635]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.219695]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.219789] RIP: 0033:0x7f895117e08e
[    2.219876] 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
[    2.220009] RSP: 002b:00007fff8f0be880 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.220090] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f895117e08e
[    2.220180] RDX: 0000000000000078 RSI: 00007fff8f0be910 RDI: 0000000000000008
[    2.220257] RBP: 00007fff8f0be890 R08: 0000000000000000 R09: 0000000000000000
[    2.220335] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.220452] R13: 0000000000000045 R14: 0000000000410f43 R15: 0000000000000020
| [    2.220583] ---[ end trace 0000000000000000 ]---
| [    2.220811] ------------[ cut here ]------------
| [    2.220919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.221112] Tainted: [W]=WARN
[    2.221167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.221239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.221302] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.221433] RSP: 0018:ff4470db803afa30 EFLAGS: 00010286
[    2.221496] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.221574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370000
[    2.221653] RBP: 0000000000000000 R08: ff1ac70f41228f10 R09: ff1ac70f44a56034
[    2.221756] R10: ff1ac70f44a46120 R11: fefefefefefefeff R12: 0000000000000000
[    2.221862] R13: 0000000000000010 R14: ff1ac70f44a46000 R15: ff1ac70f43370000
[    2.221959] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.222073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.222151] CR2: 00007f895117e0a0 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.222228] PKRU: 55555554
[    2.222276] Call Trace:
[    2.222325]  <TASK>
[    2.222370]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.222459]  __dev_notify_flags (net/core/dev.c:9787)
[    2.222516]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.222575]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.222633]  ? __d_alloc (fs/dcache.c:1807 (discriminator 11))
[    2.222691]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.222802]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.222866]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.222952]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.223009]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.223066]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.223130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.223189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.223251] RIP: 0033:0x7f895117e08e
[    2.223307] 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
[    2.223438] RSP: 002b:00007fff8f0be880 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.223515] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f895117e08e
[    2.223591] RDX: 0000000000000078 RSI: 00007fff8f0be910 RDI: 0000000000000008
[    2.223667] RBP: 00007fff8f0be890 R08: 0000000000000000 R09: 0000000000000000
[    2.223742] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.223825] R13: 0000000000000045 R14: 0000000000410f43 R15: 0000000000000020
| [    2.223953] ---[ end trace 0000000000000000 ]---
| [    2.224089] ------------[ cut here ]------------
| [    2.224133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [    2.224254] Tainted: [W]=WARN
[    2.224278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.224311] Workqueue: netns cleanup_net
[    2.224341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.224377] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.224482] RSP: 0018:ff4470db80067ce8 EFLAGS: 00010286
[    2.224516] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.224557] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370e00
[    2.224597] RBP: 0000000000000000 R08: ff1ac70f418f9e50 R09: ff1ac70f44a23030
[    2.224641] R10: ff1ac70f430d5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.224686] R13: 0000000000000011 R14: ff1ac70f430d5000 R15: ff1ac70f43370e00
[    2.224733] FS:  0000000000000000(0000) GS:ff1ac70fe0849000(0000) knlGS:0000000000000000
[    2.224781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.224822] CR2: 00007f662b0df000 CR3: 00000000033a5002 CR4: 0000000000771ef0
[    2.224870] PKRU: 55555554
[    2.224886] Call Trace:
[    2.224898]  <TASK>
[    2.224915]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.224946]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.224971]  cleanup_net (net/core/net_namespace.c:702)
[    2.224991]  process_one_work (kernel/workqueue.c:3314)
[    2.225013]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.225037]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.225060]  kthread (kernel/kthread.c:436)
[    2.225082]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.225109]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.225132]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.225150]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.225191] ---[ end trace 0000000000000000 ]---
| [    2.225597] ------------[ cut here ]------------
| [    2.225658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.225910] Tainted: [W]=WARN
[    2.225974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.226053] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.226123] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.226277] RSP: 0018:ff4470db803afcc8 EFLAGS: 00010286
[    2.226349] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.226429] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370000
[    2.226513] RBP: 0000000000000000 R08: ff1ac70f41239690 R09: ff1ac70f44a7d02c
[    2.226601] R10: ff1ac70f44a78120 R11: fefefefefefefeff R12: 0000000000000000
[    2.226687] R13: 0000000000000010 R14: ff1ac70f44a78000 R15: ff1ac70f43370000
[    2.226787] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.226886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.226979] CR2: 0000000000405430 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.227070] PKRU: 55555554
[    2.227139] Call Trace:
[    2.227208]  <TASK>
[    2.227280]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.227359]  register_netdevice (net/core/dev.c:11488)
[    2.227418]  register_netdev (net/core/dev.c:11552)
[    2.227490]  loopback_net_init (drivers/net/loopback.c:218)
[    2.227558]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.227628]  ops_init (net/core/net_namespace.c:137)
[    2.227690]  setup_net (net/core/net_namespace.c:446)
[    2.227751]  copy_net_ns (net/core/net_namespace.c:579)
[    2.227809]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.227885]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.227947]  ksys_unshare (kernel/fork.c:3243)
[    2.228005]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.228062]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.228127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.228206] RIP: 0033:0x7f8951206bcb
[    2.228292] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.228445] RSP: 002b:00007fff8f0bf1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.228556] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8951206bcb
[    2.228706] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.228797] RBP: 000000006a10d7bb R08: 0000000000000000 R09: 0000000000000000
[    2.228896] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.229001] R13: 0000000000000000 R14: 000000000000000f R15: 0000000000000020
| [    2.229142] ---[ end trace 0000000000000000 ]---
| [    2.229295] ------------[ cut here ]------------
| [    2.229381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.229588] Tainted: [W]=WARN
[    2.229644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.229714] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.229778] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.229916] RSP: 0018:ff4470db803afcb0 EFLAGS: 00010286
[    2.229979] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.230058] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370000
[    2.230144] RBP: 0000000000000000 R08: ff1ac70f43028810 R09: ff1ac70f44a82030
[    2.230221] R10: ff1ac70f44a7d120 R11: fefefefefefefeff R12: 0000000000000000
[    2.230298] R13: 0000000000000010 R14: ff1ac70f44a7d000 R15: ff1ac70f43370000
[    2.230379] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.230458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.230528] CR2: 0000000000405430 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.230607] PKRU: 55555554
[    2.230656] Call Trace:
[    2.230704]  <TASK>
[    2.230752]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.230810]  register_netdevice (net/core/dev.c:11488)
[    2.230876]  register_netdev (net/core/dev.c:11552)
[    2.230933]  sit_init_net (net/ipv6/sit.c:1860)
[    2.230990]  ops_init (net/core/net_namespace.c:137)
[    2.231048]  setup_net (net/core/net_namespace.c:446)
[    2.231111]  copy_net_ns (net/core/net_namespace.c:579)
[    2.231169]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.231235]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.231301]  ksys_unshare (kernel/fork.c:3243)
[    2.231358]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.231415]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.231472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.231535] RIP: 0033:0x7f8951206bcb
[    2.231592] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.231724] RSP: 002b:00007fff8f0bf1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.231803] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8951206bcb
[    2.231885] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.231963] RBP: 000000006a10d7bb R08: 0000000000000000 R09: 0000000000000000
[    2.232042] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.232125] R13: 0000000000000000 R14: 000000000000000f R15: 0000000000000020
| [    2.232269] ---[ end trace 0000000000000000 ]---
| [    2.232575] ------------[ cut here ]------------
| [    2.232640] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.232827] Tainted: [W]=WARN
[    2.232883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.232957] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.233025] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.233166] RSP: 0018:ff4470db803afcc8 EFLAGS: 00010286
[    2.233230] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.233306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370000
[    2.233384] RBP: 0000000000000000 R08: ff1ac70f4324e410 R09: ff1ac70f44aa102c
[    2.233461] R10: ff1ac70f44a84120 R11: fefefefefefefeff R12: 0000000000000000
[    2.233538] R13: 0000000000000010 R14: ff1ac70f44a84000 R15: ff1ac70f43370000
[    2.233618] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.233697] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.233766] CR2: 0000000000405430 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.233849] PKRU: 55555554
[    2.233899] Call Trace:
[    2.233948]  <TASK>
[    2.233997]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.234053]  register_netdevice (net/core/dev.c:11488)
[    2.234118]  register_netdev (net/core/dev.c:11552)
[    2.234175]  loopback_net_init (drivers/net/loopback.c:218)
[    2.234233]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.234296]  ops_init (net/core/net_namespace.c:137)
[    2.234354]  setup_net (net/core/net_namespace.c:446)
[    2.234413]  copy_net_ns (net/core/net_namespace.c:579)
[    2.234469]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.234536]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.234600]  ksys_unshare (kernel/fork.c:3243)
[    2.234659]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.234716]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.234774]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.234848] RIP: 0033:0x7f8951206bcb
[    2.234904] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.235041] RSP: 002b:00007fff8f0bf1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.235128] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8951206bcb
[    2.235205] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.235281] RBP: 000000006a10d7bb R08: 0000000000000000 R09: 0000000000000000
[    2.235360] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.235438] R13: 0000000000000000 R14: 000000000000000f R15: 0000000000000020
| [    2.235566] ---[ end trace 0000000000000000 ]---
| [    2.235688] ------------[ cut here ]------------
| [    2.235753] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.235945] Tainted: [W]=WARN
[    2.236004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.236075] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.236144] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.236282] RSP: 0018:ff4470db803afcb0 EFLAGS: 00010286
[    2.236346] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.236424] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370000
[    2.236503] RBP: 0000000000000000 R08: ff1ac70f4324e390 R09: ff1ac70f44aa6030
[    2.236581] R10: ff1ac70f44aa1120 R11: fefefefefefefeff R12: 0000000000000000
[    2.236659] R13: 0000000000000010 R14: ff1ac70f44aa1000 R15: ff1ac70f43370000
[    2.236741] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.236832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.236903] CR2: 0000000000405430 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.236982] PKRU: 55555554
[    2.237031] Call Trace:
[    2.237079]  <TASK>
[    2.237133]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.237191]  register_netdevice (net/core/dev.c:11488)
[    2.237248]  register_netdev (net/core/dev.c:11552)
[    2.237306]  sit_init_net (net/ipv6/sit.c:1860)
[    2.237364]  ops_init (net/core/net_namespace.c:137)
[    2.237422]  setup_net (net/core/net_namespace.c:446)
[    2.237480]  copy_net_ns (net/core/net_namespace.c:579)
[    2.237538]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.237603]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.237669]  ksys_unshare (kernel/fork.c:3243)
[    2.237727]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.237791]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.237856]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.237921] RIP: 0033:0x7f8951206bcb
[    2.237978] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    2.238121] RSP: 002b:00007fff8f0bf1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.238200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8951206bcb
[    2.238278] RDX: 0000000000000000 RSI: 0000000000410a35 RDI: 0000000040000000
[    2.238376] RBP: 000000006a10d7bb R08: 0000000000000000 R09: 0000000000000000
[    2.238454] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.238533] R13: 0000000000000000 R14: 000000000000000f R15: 0000000000000020
| [    2.238661] ---[ end trace 0000000000000000 ]---
| [    2.238757] ------------[ cut here ]------------
| [    2.238798] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [    2.238924] Tainted: [W]=WARN
[    2.238944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.238980] Workqueue: netns cleanup_net
[    2.239005] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.239035] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.239163] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    2.239199] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.239241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370e00
[    2.239281] RBP: 0000000000000000 R08: ff1ac70f41228f10 R09: ff1ac70f44a5a034
[    2.239325] R10: ff1ac70f44a46120 R11: fefefefefefefeff R12: 0000000000000000
[    2.239367] R13: 0000000000000011 R14: ff1ac70f44a46000 R15: ff1ac70f43370e00
[    2.239412] FS:  0000000000000000(0000) GS:ff1ac70fe0849000(0000) knlGS:0000000000000000
[    2.239456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.239497] CR2: 00007f662ad59ab0 CR3: 00000000033a5002 CR4: 0000000000771ef0
[    2.239546] PKRU: 55555554
[    2.239562] Call Trace:
[    2.239577]  <TASK>
[    2.239590]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.239621]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.239647]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.239667]  cleanup_net (net/core/net_namespace.c:702)
[    2.239688]  process_one_work (kernel/workqueue.c:3314)
[    2.239713]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.239735]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.239757]  kthread (kernel/kthread.c:436)
[    2.239777]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.239798]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.239822]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.239844]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.239884] ---[ end trace 0000000000000000 ]---
| [    2.239952] ------------[ cut here ]------------
| [    2.240001] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [    2.240116] Tainted: [W]=WARN
[    2.240139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.240174] Workqueue: netns cleanup_net
[    2.240201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.240234] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.240333] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    2.240364] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.240406] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370e00
[    2.240446] RBP: 0000000000000000 R08: ff1ac70f41228d90 R09: ff1ac70f44a48834
[    2.240486] R10: ff1ac70f44a45120 R11: fefefefefefefeff R12: 0000000000000000
[    2.240531] R13: 0000000000000011 R14: ff1ac70f44a45000 R15: ff1ac70f43370e00
[    2.240578] FS:  0000000000000000(0000) GS:ff1ac70fe0849000(0000) knlGS:0000000000000000
[    2.240627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.240660] CR2: 00007f662ad59ab0 CR3: 00000000033a5002 CR4: 0000000000771ef0
[    2.240701] PKRU: 55555554
[    2.240716] Call Trace:
[    2.240731]  <TASK>
[    2.240744]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.240774]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.240806]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.240833]  cleanup_net (net/core/net_namespace.c:702)
[    2.240856]  process_one_work (kernel/workqueue.c:3314)
[    2.240880]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.240901]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.240922]  kthread (kernel/kthread.c:436)
[    2.240942]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.240962]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.240984]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.241006]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.241041] ---[ end trace 0000000000000000 ]---
| [    2.241107] ------------[ cut here ]------------
| [    2.241136] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [    2.241244] Tainted: [W]=WARN
[    2.241265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.241304] Workqueue: netns cleanup_net
[    2.241328] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.241356] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.241453] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    2.241484] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.241531] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370e00
[    2.241574] RBP: 0000000000000000 R08: ff1ac70f4482a290 R09: ff1ac70f44a2582c
[    2.241617] R10: ff1ac70f430d0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.241662] R13: 0000000000000011 R14: ff1ac70f430d0000 R15: ff1ac70f43370e00
[    2.241707] FS:  0000000000000000(0000) GS:ff1ac70fe0849000(0000) knlGS:0000000000000000
[    2.241754] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.241789] CR2: 00007f662ad59ab0 CR3: 00000000033a5002 CR4: 0000000000771ef0
[    2.241836] PKRU: 55555554
[    2.241855] Call Trace:
[    2.241870]  <TASK>
[    2.241883]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.241914]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.241942]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.241962]  cleanup_net (net/core/net_namespace.c:702)
[    2.241986]  process_one_work (kernel/workqueue.c:3314)
[    2.242004]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.242026]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.242049]  kthread (kernel/kthread.c:436)
[    2.242072]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.242094]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.242120]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.242141]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.242182] ---[ end trace 0000000000000000 ]---
| [    2.252268] ------------[ cut here ]------------
| [    2.252351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.252544] Tainted: [W]=WARN
[    2.252599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.252671] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.252735] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.252880] RSP: 0018:ff4470db803af7b0 EFLAGS: 00010286
[    2.252944] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.253022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336ff00
[    2.253099] RBP: 0000000000000000 R08: ff1ac70f46432150 R09: ff1ac70f44a57034
[    2.253187] R10: ff1ac70f44aa5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.253264] R13: 0000000000000010 R14: ff1ac70f44aa5000 R15: ff1ac70f4336ff00
[    2.253345] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.253425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.253496] CR2: 0000000031924218 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.253575] PKRU: 55555554
[    2.253624] Call Trace:
[    2.253673]  <TASK>
[    2.253722]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.253780]  __dev_notify_flags (net/core/dev.c:9787)
[    2.253845]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.253903]  veth_newlink (drivers/net/veth.c:1871)
[    2.253964]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.254023]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.254088]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.254154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.254213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.254272]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.254330]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.254388]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.254447]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.254511] RIP: 0033:0x7f8951189e32
[    2.254567] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.254698] RSP: 002b:00007fff8f0be8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.254776] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f8951189e32
[    2.254857] RDX: 0000000000000078 RSI: 00007fff8f0be970 RDI: 0000000000000009
[    2.254937] RBP: 00007fff8f0be8f0 R08: 0000000000000000 R09: 0000000000000000
[    2.255019] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.255099] R13: 0000000000000045 R14: 0000000000414b08 R15: 0000000000000020
| [    2.255232] ---[ end trace 0000000000000000 ]---
| [    2.255398] ------------[ cut here ]------------
| [    2.255462] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.255644] Tainted: [W]=WARN
[    2.255849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.255920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.255984] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.256123] RSP: 0018:ff4470db803afa30 EFLAGS: 00010286
[    2.256189] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.256269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336ff00
[    2.256346] RBP: 0000000000000000 R08: ff1ac70f464320d0 R09: ff1ac70f44a45034
[    2.256423] R10: ff1ac70f44aa6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.256500] R13: 0000000000000010 R14: ff1ac70f44aa6000 R15: ff1ac70f4336ff00
[    2.256582] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.256661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.256734] CR2: 0000000031924218 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.256821] PKRU: 55555554
[    2.256870] Call Trace:
[    2.256919]  <TASK>
[    2.256967]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.257025]  __dev_notify_flags (net/core/dev.c:9787)
[    2.257082]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.257146]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.257205]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.257270]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.257328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.257386]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.257445]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.257503]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.257561]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.257619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.257682] RIP: 0033:0x7f8951189e32
[    2.257740] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.257881] RSP: 002b:00007fff8f0be8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.257960] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f8951189e32
[    2.258037] RDX: 0000000000000078 RSI: 00007fff8f0be970 RDI: 0000000000000009
[    2.258123] RBP: 00007fff8f0be8f0 R08: 0000000000000000 R09: 0000000000000000
[    2.258216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.258294] R13: 0000000000000045 R14: 0000000000414b08 R15: 0000000000000020
| [    2.258419] ---[ end trace 0000000000000000 ]---
| [    2.258517] ------------[ cut here ]------------
| [    2.258581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.258761] Tainted: [W]=WARN
[    2.258824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.258896] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.258961] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.259092] RSP: 0018:ff4470db803af8e0 EFLAGS: 00010286
[    2.259236] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.259314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370000
[    2.259391] RBP: 0000000000000000 R08: ff1ac70f46432150 R09: ff1ac70f44a45034
[    2.259471] R10: ff1ac70f44aa5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.259549] R13: 0000000000000010 R14: ff1ac70f44aa5000 R15: ff1ac70f43370000
[    2.259629] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.259709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.259780] CR2: 0000000031924218 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.259865] PKRU: 55555554
[    2.259913] Call Trace:
[    2.259962]  <TASK>
[    2.260011]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.260068]  __dev_notify_flags (net/core/dev.c:9787)
[    2.260130]  netif_change_flags (net/core/dev.c:9820)
[    2.260188]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.260245]  ? wake_up_q (kernel/sched/core.c:4434 kernel/sched/core.c:1158)
[    2.260304]  ? __mutex_unlock_slowpath.isra.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:1029)
[    2.260370]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.260437]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    2.260494]  ? netdev_run_todo (net/core/dev.c:11703)
[    2.260551]  ? __dev_notify_flags (net/core/dev.c:9787)
[    2.260607]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.260664]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.260722]  ? __alloc_skb (net/core/skbuff.c:702 (discriminator 7))
[    2.260779]  ? netlink_attachskb (net/netlink/af_netlink.c:1222)
[    2.260848]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.260908]  ? netlink_net_capable (net/netlink/af_netlink.c:852 (discriminator 1) net/netlink/af_netlink.c:870 (discriminator 1) net/netlink/af_netlink.c:901 (discriminator 1))
[    2.260972]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.261029]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.261093]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.261154]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.261219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.261277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.261335]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.261393]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.261450]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.261507]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.261565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.261629] RIP: 0033:0x7f8951189e32
[    2.261685] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.261823] RSP: 002b:00007fff8f0be8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.261904] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8951189e32
[    2.261981] RDX: 0000000000000020 RSI: 00007fff8f0be950 RDI: 0000000000000009
[    2.262060] RBP: 00007fff8f0be900 R08: 0000000000000000 R09: 0000000000000000
[    2.262142] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000564b245
[    2.262219] R13: 00007f895112bcc3 R14: 0000000001fe000a R15: 0000000000000000
| [    2.262347] ---[ end trace 0000000000000000 ]---
| [    2.262519] ------------[ cut here ]------------
| [    2.262582] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: rst_ipv4/147
| [    2.262766] Tainted: [W]=WARN
[    2.262831] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.262902] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.262966] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.263109] RSP: 0018:ff4470db803af8e0 EFLAGS: 00010286
[    2.263172] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.263249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336ff00
[    2.263328] RBP: 0000000000000000 R08: ff1ac70f464320d0 R09: ff1ac70f44a45034
[    2.263406] R10: ff1ac70f44aa6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.263482] R13: 0000000000000010 R14: ff1ac70f44aa6000 R15: ff1ac70f4336ff00
[    2.263562] FS:  00007f895110b780(0000) GS:ff1ac70fe0949000(0000) knlGS:0000000000000000
[    2.263641] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.263711] CR2: 00007f8950907cd4 CR3: 0000000001918006 CR4: 0000000000771ef0
[    2.263790] PKRU: 55555554
[    2.263847] Call Trace:
[    2.263897]  <TASK>
[    2.263947]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.264007]  __dev_notify_flags (net/core/dev.c:9787)
[    2.264064]  netif_change_flags (net/core/dev.c:9820)
[    2.264127]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.264185]  ? alloc_pages_mpol (mm/mempolicy.c:2490)
[    2.264245]  ? __pte_offset_map (./include/linux/rcupdate.h:836 mm/pgtable-generic.c:290)
[    2.264303]  ? walk_pte_range_inner (mm/pagewalk.c:39)
[    2.264367]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.264432]  ? walk_pgd_range (./include/linux/rcupdate.h:871 ./include/linux/pgtable.h:117 mm/pagewalk.c:88 mm/pagewalk.c:173 mm/pagewalk.c:239 mm/pagewalk.c:280 mm/pagewalk.c:321)
[    2.264489]  ? guard_install_pmd_entry (mm/madvise.c:1085)
[    2.264554]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.264614]  ? idr_replace (lib/idr.c:304)
[    2.264673]  ? cpu_util.constprop.0 (kernel/sched/fair.c:8322 (discriminator 1))
[    2.264738]  ? sched_balance_find_dst_group (kernel/sched/fair.c:8354 kernel/sched/fair.c:11037 kernel/sched/fair.c:11167)
[    2.264803]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.264864]  ? netlink_net_capable (net/netlink/af_netlink.c:852 (discriminator 1) net/netlink/af_netlink.c:870 (discriminator 1) net/netlink/af_netlink.c:901 (discriminator 1))
[    2.264931]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.264988]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.265057]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.265128]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.265187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.265245]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.265303]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.265361]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.265417]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.265475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.265538] RIP: 0033:0x7f8951189e32
[    2.265595] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.265728] RSP: 002b:00007fff8f0be8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.265806] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8951189e32
[    2.265887] RDX: 0000000000000020 RSI: 00007fff8f0be950 RDI: 0000000000000009
[    2.265965] RBP: 00007fff8f0be900 R08: 0000000000000000 R09: 0000000000000000
[    2.266043] R10: 0000000000000000 R11: 0000000000000246 R12: 000000004ff1ef79
[    2.266127] R13: 0000000000000000 R14: 000000000101000a R15: 00007f895112bcc3
| [    2.266254] ---[ end trace 0000000000000000 ]---
| [    2.266368] ------------[ cut here ]------------
| [    2.266408] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/38
| [    2.266525] Tainted: [W]=WARN
[    2.266547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.266580] Workqueue: events_unbound linkwatch_event
[    2.266610] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.266639] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.266737] RSP: 0018:ff4470db8015bd50 EFLAGS: 00010286
[    2.266767] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.266821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f41831800
[    2.266867] RBP: 0000000000000000 R08: ff1ac70f46432150 R09: ff1ac70f41e9f034
[    2.266908] R10: ff1ac70f44aa5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.266951] R13: 0000000000000010 R14: ff1ac70f44aa5000 R15: ff1ac70f41831800
[    2.266993] FS:  0000000000000000(0000) GS:ff1ac70fe08c9000(0000) knlGS:0000000000000000
[    2.267036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.267072] CR2: 00007f894c001908 CR3: 0000000001918003 CR4: 0000000000771ef0
[    2.267166] PKRU: 55555554
[    2.267182] Call Trace:
[    2.267196]  <TASK>
[    2.267212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.267235]  netif_state_change (net/core/dev.c:1605)
[    2.267257]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.267280]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.267312]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.267330]  process_one_work (kernel/workqueue.c:3314)
[    2.267355]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.267376]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.267397]  kthread (kernel/kthread.c:436)
[    2.267421]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.267444]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.267462]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.267487]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.267525] ---[ end trace 0000000000000000 ]---
| [    2.282840] ------------[ cut here ]------------
| [    2.282905] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [    2.283020] Tainted: [W]=WARN
[    2.283043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.283081] Workqueue: netns cleanup_net
[    2.283108] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.283140] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.283245] RSP: 0018:ff4470db80067ce8 EFLAGS: 00010286
[    2.283277] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.283319] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370e00
[    2.283369] RBP: 0000000000000000 R08: ff1ac70f41228c90 R09: ff1ac70f44a4d030
[    2.283411] R10: ff1ac70f44a41120 R11: fefefefefefefeff R12: 0000000000000000
[    2.283452] R13: 0000000000000011 R14: ff1ac70f44a41000 R15: ff1ac70f43370e00
[    2.283502] FS:  0000000000000000(0000) GS:ff1ac70fe0849000(0000) knlGS:0000000000000000
[    2.283545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.283573] CR2: 00007f662ad59ab0 CR3: 00000000033a5002 CR4: 0000000000771ef0
[    2.283613] PKRU: 55555554
[    2.283628] Call Trace:
[    2.283644]  <TASK>
[    2.283659]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.283688]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.283708]  cleanup_net (net/core/net_namespace.c:702)
[    2.283732]  process_one_work (kernel/workqueue.c:3314)
[    2.283756]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.283779]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.283801]  kthread (kernel/kthread.c:436)
[    2.283828]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.283853]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.283885]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.283905]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.283943] ---[ end trace 0000000000000000 ]---
| [    2.293836] ------------[ cut here ]------------
| [    2.293891] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/12
| [    2.294021] Tainted: [W]=WARN
[    2.294043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.294080] Workqueue: netns cleanup_net
[    2.294112] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.294147] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.294246] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    2.294275] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.294318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f43370e00
[    2.294363] RBP: 0000000000000000 R08: ff1ac70f41228b90 R09: ff1ac70f44a3382c
[    2.294408] R10: ff1ac70f44a2c120 R11: fefefefefefefeff R12: 0000000000000000
[    2.294455] R13: 0000000000000011 R14: ff1ac70f44a2c000 R15: ff1ac70f43370e00
[    2.294512] FS:  0000000000000000(0000) GS:ff1ac70fe0849000(0000) knlGS:0000000000000000
[    2.294558] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.294594] CR2: 00007f662ad59ab0 CR3: 00000000033a5002 CR4: 0000000000771ef0
[    2.294637] PKRU: 55555554
[    2.294649] Call Trace:
[    2.294666]  <TASK>
[    2.294681]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.294712]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.294743]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.294770]  cleanup_net (net/core/net_namespace.c:702)
[    2.294793]  process_one_work (kernel/workqueue.c:3314)
[    2.294820]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.294843]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.294867]  kthread (kernel/kthread.c:436)
[    2.294889]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.294912]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.294935]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.294957]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.294993] ---[ end trace 0000000000000000 ]---
| [    3.275958] ------------[ cut here ]------------
| [    3.276019] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/37
| [    3.276147] Tainted: [W]=WARN
[    3.276175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.276209] Workqueue: events_unbound linkwatch_event
[    3.276242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.276271] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.276380] RSP: 0018:ff4470db80153d50 EFLAGS: 00010286
[    3.276413] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.276463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f41831800
[    3.276507] RBP: 0000000000000000 R08: ff1ac70f464320d0 R09: ff1ac70f41e9f034
[    3.276550] R10: ff1ac70f44aa6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.276594] R13: 0000000000000010 R14: ff1ac70f44aa6000 R15: ff1ac70f41831800
[    3.276640] FS:  0000000000000000(0000) GS:ff1ac70fe08c9000(0000) knlGS:0000000000000000
[    3.276689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.276727] CR2: 00007f894c001908 CR3: 0000000001918003 CR4: 0000000000771ef0
[    3.276778] PKRU: 55555554
[    3.276794] Call Trace:
[    3.276808]  <TASK>
[    3.276830]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.276855]  netif_state_change (net/core/dev.c:1605)
[    3.276881]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    3.276903]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    3.276933]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    3.276956]  process_one_work (kernel/workqueue.c:3314)
[    3.276980]  ? __timer_delete_sync (kernel/time/timer.c:1467 (discriminator 3) kernel/time/timer.c:1621 (discriminator 3))
[    3.277016]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.277038]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.277060]  kthread (kernel/kthread.c:436)
[    3.277080]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.277103]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.277132]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.277156]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.277193] ---[ end trace 0000000000000000 ]---
| [    4.319544] ------------[ cut here ]------------
| [    4.319597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.319766] Tainted: [W]=WARN
[    4.319788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.319842] Workqueue: netns cleanup_net
[    4.319865] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.319903] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.320011] RSP: 0018:ff4470db80067ce8 EFLAGS: 00010286
[    4.320052] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.320115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.320177] RBP: 0000000000000000 R08: ff1ac70f43028810 R09: ff1ac70f44a6a830
[    4.320282] R10: ff1ac70f44a7d120 R11: fefefefefefefeff R12: 0000000000000000
[    4.320333] R13: 0000000000000011 R14: ff1ac70f44a7d000 R15: ff1ac70f4336fc00
[    4.320383] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.320427] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.320473] CR2: 00007feb5ef50f98 CR3: 0000000029e43006 CR4: 0000000000771ef0
[    4.320524] PKRU: 55555554
[    4.320538] Call Trace:
[    4.320554]  <TASK>
[    4.320574]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.320604]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    4.320643]  cleanup_net (net/core/net_namespace.c:702)
[    4.320674]  process_one_work (kernel/workqueue.c:3314)
[    4.320698]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.320721]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.320757]  kthread (kernel/kthread.c:436)
[    4.320780]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.320810]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.320838]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.320878]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.320916] ---[ end trace 0000000000000000 ]---
| [    4.321005] ------------[ cut here ]------------
| [    4.321034] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.321172] Tainted: [W]=WARN
[    4.321208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.321239] Workqueue: netns cleanup_net
[    4.321262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.321312] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.321441] RSP: 0018:ff4470db80067ce8 EFLAGS: 00010286
[    4.321476] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.321530] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.321579] RBP: 0000000000000000 R08: ff1ac70f4324e390 R09: ff1ac70f44a96830
[    4.321642] R10: ff1ac70f44aa1120 R11: fefefefefefefeff R12: 0000000000000000
[    4.321698] R13: 0000000000000011 R14: ff1ac70f44aa1000 R15: ff1ac70f4336fc00
[    4.321760] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.321821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.321865] CR2: 00007feb5ef50f98 CR3: 0000000029e43006 CR4: 0000000000771ef0
[    4.321911] PKRU: 55555554
[    4.321931] Call Trace:
[    4.321946]  <TASK>
[    4.321964]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.322004]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    4.322027]  cleanup_net (net/core/net_namespace.c:702)
[    4.322052]  process_one_work (kernel/workqueue.c:3314)
[    4.322083]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.322112]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.322133]  kthread (kernel/kthread.c:436)
[    4.322166]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.322187]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.322208]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.322239]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.322278] ---[ end trace 0000000000000000 ]---
| [    4.327873] ------------[ cut here ]------------
| [    4.327933] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.328086] Tainted: [W]=WARN
[    4.328115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.328151] Workqueue: netns cleanup_net
[    4.328175] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.328208] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.328295] RSP: 0018:ff4470db80067c08 EFLAGS: 00010286
[    4.328328] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    4.328371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.328412] RBP: 0000000000000000 R08: ff1ac70f464320d0 R09: ff1ac70f44aa1034
[    4.328453] R10: ff1ac70f44aa6120 R11: fefefefefefefeff R12: 0000000000000000
[    4.328493] R13: 0000000000000010 R14: ff1ac70f44aa6000 R15: ff1ac70f4336fc00
[    4.328541] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.328583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.328622] CR2: 00007feb5ef50f98 CR3: 0000000029e43001 CR4: 0000000000771ef0
[    4.328670] PKRU: 55555554
[    4.328684] Call Trace:
[    4.328700]  <TASK>
[    4.328717]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.328737]  netif_close_many (net/core/dev.c:1804)
[    4.328758]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    4.328791]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    4.328820]  ? xas_load (lib/xarray.c:239)
[    4.328841]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    4.328873]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    4.328900]  cleanup_net (net/core/net_namespace.c:702)
[    4.328925]  process_one_work (kernel/workqueue.c:3314)
[    4.328947]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.328968]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.328991]  kthread (kernel/kthread.c:436)
[    4.329014]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.329035]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.329056]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.329078]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.329116] ---[ end trace 0000000000000000 ]---
| [    4.329166] ------------[ cut here ]------------
| [    4.329192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.329297] Tainted: [W]=WARN
[    4.329318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.329355] Workqueue: netns cleanup_net
[    4.329378] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.329406] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.329504] RSP: 0018:ff4470db80067c08 EFLAGS: 00010286
[    4.329535] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    4.329580] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.329616] RBP: 0000000000000000 R08: ff1ac70f46432150 R09: ff1ac70f44aa1034
[    4.329660] R10: ff1ac70f44aa5120 R11: fefefefefefefeff R12: 0000000000000000
[    4.329700] R13: 0000000000000010 R14: ff1ac70f44aa5000 R15: ff1ac70f4336fc00
[    4.329743] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.329782] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.329820] CR2: 00007feb5ef50f98 CR3: 0000000029e43001 CR4: 0000000000771ef0
[    4.329856] PKRU: 55555554
[    4.329871] Call Trace:
[    4.329884]  <TASK>
[    4.329899]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.329919]  netif_close_many (net/core/dev.c:1804)
[    4.329939]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    4.329972]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    4.330000]  ? xas_load (lib/xarray.c:239)
[    4.330027]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    4.330054]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    4.330077]  cleanup_net (net/core/net_namespace.c:702)
[    4.330098]  process_one_work (kernel/workqueue.c:3314)
[    4.330129]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.330150]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.330172]  kthread (kernel/kthread.c:436)
[    4.330195]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.330217]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.330237]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.330258]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.330293] ---[ end trace 0000000000000000 ]---
| [    4.330378] ------------[ cut here ]------------
| [    4.330404] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.330508] Tainted: [W]=WARN
[    4.330529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.330565] Workqueue: netns cleanup_net
[    4.330583] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.330616] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.330712] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    4.330741] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.330781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.330828] RBP: 0000000000000000 R08: ff1ac70f464320d0 R09: ff1ac70f44aab834
[    4.330875] R10: ff1ac70f44aa6120 R11: fefefefefefefeff R12: 0000000000000000
[    4.330918] R13: 0000000000000011 R14: ff1ac70f44aa6000 R15: ff1ac70f4336fc00
[    4.330964] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.331004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.331040] CR2: 00007feb5ef50f98 CR3: 0000000029e43001 CR4: 0000000000771ef0
[    4.331080] PKRU: 55555554
[    4.331095] Call Trace:
[    4.331114]  <TASK>
[    4.331130]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.331160]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    4.331188]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    4.331208]  cleanup_net (net/core/net_namespace.c:702)
[    4.331232]  process_one_work (kernel/workqueue.c:3314)
[    4.331256]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.331279]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.331299]  kthread (kernel/kthread.c:436)
[    4.331322]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.331343]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.331365]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.331386]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.331429] ---[ end trace 0000000000000000 ]---
| [    4.331496] ------------[ cut here ]------------
| [    4.331525] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.331651] Tainted: [W]=WARN
[    4.331671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.331705] Workqueue: netns cleanup_net
[    4.331727] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.331756] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.331860] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    4.331889] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.331933] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.331978] RBP: 0000000000000000 R08: ff1ac70f41239690 R09: ff1ac70f44a6d02c
[    4.332026] R10: ff1ac70f44a78120 R11: fefefefefefefeff R12: 0000000000000000
[    4.332067] R13: 0000000000000011 R14: ff1ac70f44a78000 R15: ff1ac70f4336fc00
[    4.332114] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.332160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.332196] CR2: 00007feb5ef50f98 CR3: 0000000029e43001 CR4: 0000000000771ef0
[    4.332239] PKRU: 55555554
[    4.332253] Call Trace:
[    4.332266]  <TASK>
[    4.332280]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.332305]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    4.332336]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    4.332361]  cleanup_net (net/core/net_namespace.c:702)
[    4.332384]  process_one_work (kernel/workqueue.c:3314)
[    4.332404]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.332432]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.332453]  kthread (kernel/kthread.c:436)
[    4.332476]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.332500]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.332523]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.332545]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.332583] ---[ end trace 0000000000000000 ]---
| [    4.332653] ------------[ cut here ]------------
| [    4.332681] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.332803] Tainted: [W]=WARN
[    4.332827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.332862] Workqueue: netns cleanup_net
[    4.332887] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.332917] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.333015] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    4.333043] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.333083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.333149] RBP: 0000000000000000 R08: ff1ac70f46432150 R09: ff1ac70f44aae034
[    4.333189] R10: ff1ac70f44aa5120 R11: fefefefefefefeff R12: 0000000000000000
[    4.333229] R13: 0000000000000011 R14: ff1ac70f44aa5000 R15: ff1ac70f4336fc00
[    4.333271] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.333320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.333357] CR2: 00007feb5ef50f98 CR3: 0000000029e43001 CR4: 0000000000771ef0
[    4.333403] PKRU: 55555554
[    4.333417] Call Trace:
[    4.333432]  <TASK>
[    4.333446]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.333477]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    4.333503]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    4.333526]  cleanup_net (net/core/net_namespace.c:702)
[    4.333548]  process_one_work (kernel/workqueue.c:3314)
[    4.333570]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.333593]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.333617]  kthread (kernel/kthread.c:436)
[    4.333639]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.333660]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.333685]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.333704]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    4.333741] ---[ end trace 0000000000000000 ]---
| [    4.333801] ------------[ cut here ]------------
| [    4.333829] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/12
| [    4.333932] Tainted: [W]=WARN
[    4.333956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.333991] Workqueue: netns cleanup_net
[    4.334015] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.334046] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    4.334154] RSP: 0018:ff4470db80067c78 EFLAGS: 00010286
[    4.334183] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    4.334225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1ac70f4336fc00
[    4.334270] RBP: 0000000000000000 R08: ff1ac70f4324e410 R09: ff1ac70f44aa902c
[    4.334310] R10: ff1ac70f44a84120 R11: fefefefefefefeff R12: 0000000000000000
[    4.334349] R13: 0000000000000011 R14: ff1ac70f44a84000 R15: ff1ac70f4336fc00
[    4.334393] FS:  0000000000000000(0000) GS:ff1ac70fe09c9000(0000) knlGS:0000000000000000
[    4.334438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.334473] CR2: 00007feb5ef50f98 CR3: 0000000029e43001 CR4: 0000000000771ef0
[    4.334515] PKRU: 55555554
[    4.334528] Call Trace:
[    4.334539]  <TASK>
[    4.334554]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    4.334581]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    4.334610]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    4.334632]  cleanup_net (net/core/net_namespace.c:702)
[    4.334655]  process_one_work (kernel/workqueue.c:3314)
[    4.334678]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.334698]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.334722]  kthread (kernel/kthread.c:436)
[    4.334746]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.334769]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.334791]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
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:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init