======================================
| 0
| xx__-> [    3.694464] ------------[ cut here ]------------
| [    3.694548] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.694767] Tainted: [W]=WARN
[    3.694828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.694897] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.694960] 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
[    3.695091] RSP: 0018:ff4e1d0b00427cc8 EFLAGS: 00010286
[    3.695153] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.695255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2f00
[    3.695332] RBP: 0000000000000000 R08: ff2f96cd06346a50 R09: ff2f96cd04b9602c
[    3.695416] R10: ff2f96cd04bc4120 R11: fefefefefefefeff R12: 0000000000000000
[    3.695493] R13: 0000000000000010 R14: ff2f96cd04bc4000 R15: ff2f96cd018c2f00
[    3.695575] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.695653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.695735] CR2: 00007ff4fda27004 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.695824] PKRU: 55555554
[    3.695872] Call Trace:
[    3.695921]  <TASK>
[    3.695970]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.696032]  register_netdevice (net/core/dev.c:11488)
[    3.696117]  register_netdev (net/core/dev.c:11552)
[    3.696173]  loopback_net_init (drivers/net/loopback.c:218)
[    3.696231]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    3.696299]  ops_init (net/core/net_namespace.c:137)
[    3.696357]  setup_net (net/core/net_namespace.c:446)
[    3.696425]  copy_net_ns (net/core/net_namespace.c:579)
[    3.696483]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.696550]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.696616]  ksys_unshare (kernel/fork.c:3243)
[    3.696675]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.696732]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.696801]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.696865] RIP: 0033:0x7ff4fd91ebcb
[    3.696922] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.697058] RSP: 002b:00007ffceb5aaf08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.697139] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff4fd91ebcb
[    3.697248] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.697329] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    3.697419] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.697496] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000020
| [    3.697623] ---[ end trace 0000000000000000 ]---
| [    3.697774] ------------[ cut here ]------------
| [    3.697843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.698058] Tainted: [W]=WARN
[    3.698114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.698188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.698251] 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
[    3.698388] RSP: 0018:ff4e1d0b00427cb0 EFLAGS: 00010286
[    3.698462] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.698540] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2f00
[    3.698618] RBP: 0000000000000000 R08: ff2f96cd063468d0 R09: ff2f96cd04b91030
[    3.698721] R10: ff2f96cd04b96120 R11: fefefefefefefeff R12: 0000000000000000
[    3.698808] R13: 0000000000000010 R14: ff2f96cd04b96000 R15: ff2f96cd018c2f00
[    3.698892] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.698974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.699076] CR2: 00007ff4fda27004 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.699155] PKRU: 55555554
[    3.699206] Call Trace:
[    3.699254]  <TASK>
[    3.699304]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.699363]  register_netdevice (net/core/dev.c:11488)
[    3.699430]  register_netdev (net/core/dev.c:11552)
[    3.699491]  sit_init_net (net/ipv6/sit.c:1860)
[    3.699555]  ops_init (net/core/net_namespace.c:137)
[    3.699614]  setup_net (net/core/net_namespace.c:446)
[    3.699671]  copy_net_ns (net/core/net_namespace.c:579)
[    3.699728]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.699830]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.699894]  ksys_unshare (kernel/fork.c:3243)
[    3.699952]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.700008]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.700067]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.700133] RIP: 0033:0x7ff4fd91ebcb
[    3.700190] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.700327] RSP: 002b:00007ffceb5aaf08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.700430] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff4fd91ebcb
[    3.700512] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.700591] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    3.700670] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.700749] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000020
| [    3.700882] ---[ end trace 0000000000000000 ]---
| [    3.701152] ------------[ cut here ]------------
| [    3.701224] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.701429] Tainted: [W]=WARN
[    3.701485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.701556] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.701621] 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
[    3.701752] RSP: 0018:ff4e1d0b00427cc8 EFLAGS: 00010286
[    3.701825] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.701903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2f00
[    3.701989] RBP: 0000000000000000 R08: ff2f96cd063461d0 R09: ff2f96cd04b1d02c
[    3.702068] R10: ff2f96cd04b18120 R11: fefefefefefefeff R12: 0000000000000000
[    3.702144] R13: 0000000000000010 R14: ff2f96cd04b18000 R15: ff2f96cd018c2f00
[    3.702233] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.702313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.702385] CR2: 00007ff4fda27004 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.702471] PKRU: 55555554
[    3.702522] Call Trace:
[    3.702573]  <TASK>
[    3.702626]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.702690]  register_netdevice (net/core/dev.c:11488)
[    3.702754]  register_netdev (net/core/dev.c:11552)
[    3.702824]  loopback_net_init (drivers/net/loopback.c:218)
[    3.702881]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    3.702948]  ops_init (net/core/net_namespace.c:137)
[    3.703008]  setup_net (net/core/net_namespace.c:446)
[    3.703070]  copy_net_ns (net/core/net_namespace.c:579)
[    3.703132]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.703197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.703265]  ksys_unshare (kernel/fork.c:3243)
[    3.703323]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.703383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.703447]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.703510] RIP: 0033:0x7ff4fd91ebcb
[    3.703568] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.703699] RSP: 002b:00007ffceb5aaf08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.703777] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff4fd91ebcb
[    3.703861] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.703939] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    3.704015] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.704092] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000020
| [    3.704221] ---[ end trace 0000000000000000 ]---
| [    3.704359] ------------[ cut here ]------------
| [    3.704429] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.704617] Tainted: [W]=WARN
[    3.704671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.704740] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.704810] 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
[    3.704941] RSP: 0018:ff4e1d0b00427cb0 EFLAGS: 00010286
[    3.705003] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.705081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2f00
[    3.705159] RBP: 0000000000000000 R08: ff2f96cd031975d0 R09: ff2f96cd04b1b030
[    3.705238] R10: ff2f96cd04b1d120 R11: fefefefefefefeff R12: 0000000000000000
[    3.705314] R13: 0000000000000010 R14: ff2f96cd04b1d000 R15: ff2f96cd018c2f00
[    3.705404] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.705482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.705553] CR2: 00007ff4fda27004 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.705633] PKRU: 55555554
[    3.705685] Call Trace:
[    3.705733]  <TASK>
[    3.705794]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.705851]  register_netdevice (net/core/dev.c:11488)
[    3.705908]  register_netdev (net/core/dev.c:11552)
[    3.705965]  sit_init_net (net/ipv6/sit.c:1860)
[    3.706023]  ops_init (net/core/net_namespace.c:137)
[    3.706080]  setup_net (net/core/net_namespace.c:446)
[    3.706137]  copy_net_ns (net/core/net_namespace.c:579)
[    3.706193]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.706288]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.706359]  ksys_unshare (kernel/fork.c:3243)
[    3.706428]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.706494]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.706554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.706623] RIP: 0033:0x7ff4fd91ebcb
[    3.706681] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.706832] RSP: 002b:00007ffceb5aaf08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.706910] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff4fd91ebcb
[    3.706986] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.707061] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    3.707144] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    3.707223] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000020
| [    3.708090] ---[ end trace 0000000000000000 ]---
| [    3.708345] ------------[ cut here ]------------
| [    3.708412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.708603] Tainted: [W]=WARN
[    3.708671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.708741] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.708815] 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
[    3.708949] RSP: 0018:ff4e1d0b004277b0 EFLAGS: 00010286
[    3.709014] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.709092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c6000
[    3.709169] RBP: 0000000000000000 R08: ff2f96cd03197410 R09: ff2f96cd02f45034
[    3.709245] R10: ff2f96cd04b22120 R11: fefefefefefefeff R12: 0000000000000000
[    3.709323] R13: 0000000000000010 R14: ff2f96cd04b22000 R15: ff2f96cd018c6000
[    3.709409] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.709488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.709562] CR2: 0000000000404a90 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.709646] PKRU: 55555554
[    3.709694] Call Trace:
[    3.709742]  <TASK>
[    3.709798]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.709855]  __dev_notify_flags (net/core/dev.c:9787)
[    3.709913]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.709970]  veth_newlink (drivers/net/veth.c:1871)
[    3.710029]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.710091]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.710155]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.710214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.710271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.710328]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    3.710387]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    3.710448]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.710505]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.710568] RIP: 0033:0x7ff4fd89608e
[    3.710624] 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
[    3.710760] RSP: 002b:00007ffceb5aa600 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    3.710849] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff4fd89608e
[    3.710926] RDX: 0000000000000078 RSI: 00007ffceb5aa690 RDI: 0000000000000008
[    3.711004] RBP: 00007ffceb5aa610 R08: 0000000000000000 R09: 0000000000000000
[    3.711081] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    3.711158] R13: 0000000000000045 R14: 000000000040f81b R15: 0000000000000020
| [    3.711285] ---[ end trace 0000000000000000 ]---
| [    3.711467] ------------[ cut here ]------------
| [    3.711532] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.711725] Tainted: [W]=WARN
[    3.711780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.711858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.711922] 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
[    3.712065] RSP: 0018:ff4e1d0b00427a30 EFLAGS: 00010286
[    3.712128] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.712202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c6000
[    3.712280] RBP: 0000000000000000 R08: ff2f96cd03363810 R09: ff2f96cd04afa034
[    3.712357] R10: ff2f96cd04b1b120 R11: fefefefefefefeff R12: 0000000000000000
[    3.712434] R13: 0000000000000010 R14: ff2f96cd04b1b000 R15: ff2f96cd018c6000
[    3.712513] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.712590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.712660] CR2: 0000000000404a90 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.712740] PKRU: 55555554
[    3.712794] Call Trace:
[    3.712843]  <TASK>
[    3.712891]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.712948]  __dev_notify_flags (net/core/dev.c:9787)
[    3.713005]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.713061]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.713119]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.713182]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.713239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.713296]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.713353]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    3.713418]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    3.713474]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.713531]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.713594] RIP: 0033:0x7ff4fd89608e
[    3.713650] 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
[    3.713780] RSP: 002b:00007ffceb5aa600 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    3.713865] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff4fd89608e
[    3.713945] RDX: 0000000000000078 RSI: 00007ffceb5aa690 RDI: 0000000000000008
[    3.714024] RBP: 00007ffceb5aa610 R08: 0000000000000000 R09: 0000000000000000
[    3.714101] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    3.714179] R13: 0000000000000045 R14: 000000000040f81b R15: 0000000000000020
| [    3.714306] ---[ end trace 0000000000000000 ]---
| [    3.714467] ------------[ cut here ]------------
| [    3.714534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    3.714689] Tainted: [W]=WARN
[    3.714707] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.714757] Workqueue: netns cleanup_net
[    3.714782] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.714824] 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
[    3.714899] RSP: 0018:ff4e1d0b00067ce8 EFLAGS: 00010286
[    3.714941] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.714987] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2200
[    3.715040] RBP: 0000000000000000 R08: ff2f96cd063468d0 R09: ff2f96cd04bb1030
[    3.715093] R10: ff2f96cd04b96120 R11: fefefefefefefeff R12: 0000000000000000
[    3.715134] R13: 0000000000000011 R14: ff2f96cd04b96000 R15: ff2f96cd018c2200
[    3.715207] FS:  0000000000000000(0000) GS:ff2f96cd8fcc9000(0000) knlGS:0000000000000000
[    3.715264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.715309] CR2: 00007f967badfa80 CR3: 0000000021643003 CR4: 0000000000771ef0
[    3.715361] PKRU: 55555554
[    3.715375] Call Trace:
[    3.715389]  <TASK>
[    3.715422]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.715453]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    3.715477]  cleanup_net (net/core/net_namespace.c:702)
[    3.715510]  process_one_work (kernel/workqueue.c:3314)
[    3.715536]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.715565]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.715595]  kthread (kernel/kthread.c:436)
[    3.715617]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.715637]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.715662]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.715692]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.715738] ---[ end trace 0000000000000000 ]---
| [    3.718762] ------------[ cut here ]------------
| [    3.718837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.719023] Tainted: [W]=WARN
[    3.719083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.719151] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.719215] 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
[    3.719352] RSP: 0018:ff4e1d0b00427cc8 EFLAGS: 00010286
[    3.719424] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.719502] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c6000
[    3.719581] RBP: 0000000000000000 R08: ff2f96cd03363190 R09: ff2f96cd04af902c
[    3.719661] R10: ff2f96cd02032120 R11: fefefefefefefeff R12: 0000000000000000
[    3.719737] R13: 0000000000000010 R14: ff2f96cd02032000 R15: ff2f96cd018c6000
[    3.719823] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.719900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.719973] CR2: 0000000038c8d018 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.720051] PKRU: 55555554
[    3.720099] Call Trace:
[    3.720148]  <TASK>
[    3.720196]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.720253]  register_netdevice (net/core/dev.c:11488)
[    3.720310]  register_netdev (net/core/dev.c:11552)
[    3.720367]  loopback_net_init (drivers/net/loopback.c:218)
[    3.720430]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    3.720494]  ops_init (net/core/net_namespace.c:137)
[    3.720551]  setup_net (net/core/net_namespace.c:446)
[    3.720609]  copy_net_ns (net/core/net_namespace.c:579)
[    3.720666]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.720731]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.720801]  ksys_unshare (kernel/fork.c:3243)
[    3.720858]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.720914]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.720971]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.721038] RIP: 0033:0x7ff4fd91ebcb
[    3.721094] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.721229] RSP: 002b:00007ffceb5aaf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.721307] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff4fd91ebcb
[    3.721387] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.721471] RBP: 000000006a10d844 R08: 0000000000000000 R09: 0000000000000000
[    3.721547] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001fe000a
[    3.721623] R13: 0000000000000000 R14: 0000000000000015 R15: 0000000000000020
| [    3.721747] ---[ end trace 0000000000000000 ]---
| [    3.721872] ------------[ cut here ]------------
| [    3.721938] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.722131] Tainted: [W]=WARN
[    3.722186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.722258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.722321] 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
[    3.722466] RSP: 0018:ff4e1d0b00427cb0 EFLAGS: 00010286
[    3.722531] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.722612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c6000
[    3.722689] RBP: 0000000000000000 R08: ff2f96cd03363ed0 R09: ff2f96cd04b24030
[    3.722766] R10: ff2f96cd04af9120 R11: fefefefefefefeff R12: 0000000000000000
[    3.722853] R13: 0000000000000010 R14: ff2f96cd04af9000 R15: ff2f96cd018c6000
[    3.722931] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.723016] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.723087] CR2: 0000000038c8d018 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.723176] PKRU: 55555554
[    3.723227] Call Trace:
[    3.723282]  <TASK>
[    3.723332]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.723389]  register_netdevice (net/core/dev.c:11488)
[    3.723450]  register_netdev (net/core/dev.c:11552)
[    3.723508]  sit_init_net (net/ipv6/sit.c:1860)
[    3.723564]  ops_init (net/core/net_namespace.c:137)
[    3.723623]  setup_net (net/core/net_namespace.c:446)
[    3.723688]  copy_net_ns (net/core/net_namespace.c:579)
[    3.723751]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.723823]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.723889]  ksys_unshare (kernel/fork.c:3243)
[    3.723945]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.724002]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.724059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.724121] RIP: 0033:0x7ff4fd91ebcb
[    3.724177] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.724306] RSP: 002b:00007ffceb5aaf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.724382] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff4fd91ebcb
[    3.724465] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.724541] RBP: 000000006a10d844 R08: 0000000000000000 R09: 0000000000000000
[    3.724616] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001fe000a
[    3.724691] R13: 0000000000000000 R14: 0000000000000015 R15: 0000000000000020
| [    3.724822] ---[ end trace 0000000000000000 ]---
| [    3.725057] ------------[ cut here ]------------
| [    3.725122] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.725306] Tainted: [W]=WARN
[    3.725364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.725441] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.725505] 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
[    3.725636] RSP: 0018:ff4e1d0b00427cc8 EFLAGS: 00010286
[    3.725703] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.725778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c6000
[    3.725864] RBP: 0000000000000000 R08: ff2f96cd061d9990 R09: ff2f96cd01ee502c
[    3.725941] R10: ff2f96cd0601c120 R11: fefefefefefefeff R12: 0000000000000000
[    3.726018] R13: 0000000000000010 R14: ff2f96cd0601c000 R15: ff2f96cd018c6000
[    3.726098] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.726176] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.726245] CR2: 0000000038c8d018 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.726325] PKRU: 55555554
[    3.726373] Call Trace:
[    3.726428]  <TASK>
[    3.726481]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.726543]  register_netdevice (net/core/dev.c:11488)
[    3.726608]  register_netdev (net/core/dev.c:11552)
[    3.726673]  loopback_net_init (drivers/net/loopback.c:218)
[    3.726734]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    3.726810]  ops_init (net/core/net_namespace.c:137)
[    3.726869]  setup_net (net/core/net_namespace.c:446)
[    3.726937]  copy_net_ns (net/core/net_namespace.c:579)
[    3.726995]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.727060]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.727125]  ksys_unshare (kernel/fork.c:3243)
[    3.727185]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.727241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.727298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.727363] RIP: 0033:0x7ff4fd91ebcb
[    3.727426] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.727561] RSP: 002b:00007ffceb5aaf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.727642] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff4fd91ebcb
[    3.727719] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.727809] RBP: 000000006a10d844 R08: 0000000000000000 R09: 0000000000000000
[    3.727884] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001fe000a
[    3.727963] R13: 0000000000000000 R14: 0000000000000015 R15: 0000000000000020
| [    3.728087] ---[ end trace 0000000000000000 ]---
| [    3.728213] ------------[ cut here ]------------
| [    3.728276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.728472] Tainted: [W]=WARN
[    3.728527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.728596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.728660] 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
[    3.728804] RSP: 0018:ff4e1d0b00427cb0 EFLAGS: 00010286
[    3.728866] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.728944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c6000
[    3.729020] RBP: 0000000000000000 R08: ff2f96cd061d9a90 R09: ff2f96cd04bc6030
[    3.729096] R10: ff2f96cd01ee5120 R11: fefefefefefefeff R12: 0000000000000000
[    3.729173] R13: 0000000000000010 R14: ff2f96cd01ee5000 R15: ff2f96cd018c6000
[    3.729252] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.729332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.729407] CR2: 0000000038c8d018 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.729485] PKRU: 55555554
[    3.729533] Call Trace:
[    3.729582]  <TASK>
[    3.729630]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.729687]  register_netdevice (net/core/dev.c:11488)
[    3.729744]  register_netdev (net/core/dev.c:11552)
[    3.729813]  sit_init_net (net/ipv6/sit.c:1860)
[    3.729870]  ops_init (net/core/net_namespace.c:137)
[    3.729927]  setup_net (net/core/net_namespace.c:446)
[    3.729984]  copy_net_ns (net/core/net_namespace.c:579)
[    3.730041]  create_new_namespaces (kernel/nsproxy.c:132)
[    3.730104]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    3.730167]  ksys_unshare (kernel/fork.c:3243)
[    3.730224]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    3.730285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.730341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.730412] RIP: 0033:0x7ff4fd91ebcb
[    3.730468] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    3.730599] RSP: 002b:00007ffceb5aaf68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    3.730676] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff4fd91ebcb
[    3.730751] RDX: 0000000000000000 RSI: 000000000040fb4b RDI: 0000000040000000
[    3.730834] RBP: 000000006a10d844 R08: 0000000000000000 R09: 0000000000000000
[    3.730911] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001fe000a
[    3.730988] R13: 0000000000000000 R14: 0000000000000015 R15: 0000000000000020
| [    3.731114] ---[ end trace 0000000000000000 ]---
| [    3.733843] ------------[ cut here ]------------
| [    3.733900] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    3.734014] Tainted: [W]=WARN
[    3.734034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.734069] Workqueue: netns cleanup_net
[    3.734095] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.734123] 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
[    3.734221] RSP: 0018:ff4e1d0b00067c78 EFLAGS: 00010286
[    3.734247] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.734288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2200
[    3.734334] RBP: 0000000000000000 R08: ff2f96cd03363810 R09: ff2f96cd04b15034
[    3.734370] R10: ff2f96cd04b1b120 R11: fefefefefefefeff R12: 0000000000000000
[    3.734424] R13: 0000000000000011 R14: ff2f96cd04b1b000 R15: ff2f96cd018c2200
[    3.734463] FS:  0000000000000000(0000) GS:ff2f96cd8fcc9000(0000) knlGS:0000000000000000
[    3.734498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.734527] CR2: 00007f967badfa80 CR3: 0000000021643003 CR4: 0000000000771ef0
[    3.734570] PKRU: 55555554
[    3.734585] Call Trace:
[    3.734598]  <TASK>
[    3.734618]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.734649]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    3.734678]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    3.734699]  cleanup_net (net/core/net_namespace.c:702)
[    3.734724]  process_one_work (kernel/workqueue.c:3314)
[    3.734747]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.734767]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.734797]  kthread (kernel/kthread.c:436)
[    3.734819]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.734838]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.734862]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.734883]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.734917] ---[ end trace 0000000000000000 ]---
| [    3.734991] ------------[ cut here ]------------
| [    3.735017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    3.735125] Tainted: [W]=WARN
[    3.735144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.735179] Workqueue: netns cleanup_net
[    3.735200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.735229] 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
[    3.735324] RSP: 0018:ff4e1d0b00067c78 EFLAGS: 00010286
[    3.735355] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.735402] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2200
[    3.735445] RBP: 0000000000000000 R08: ff2f96cd03197410 R09: ff2f96cd04b05834
[    3.735487] R10: ff2f96cd04b22120 R11: fefefefefefefeff R12: 0000000000000000
[    3.735525] R13: 0000000000000011 R14: ff2f96cd04b22000 R15: ff2f96cd018c2200
[    3.735569] FS:  0000000000000000(0000) GS:ff2f96cd8fcc9000(0000) knlGS:0000000000000000
[    3.735603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.735637] CR2: 00007f967badfa80 CR3: 0000000021643003 CR4: 0000000000771ef0
[    3.735678] PKRU: 55555554
[    3.735691] Call Trace:
[    3.735704]  <TASK>
[    3.735718]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.735742]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    3.735772]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    3.735796]  cleanup_net (net/core/net_namespace.c:702)
[    3.735818]  process_one_work (kernel/workqueue.c:3314)
[    3.735838]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.735859]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.735878]  kthread (kernel/kthread.c:436)
[    3.735898]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.735919]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.735939]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.735960]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.735996] ---[ end trace 0000000000000000 ]---
| [    3.736062] ------------[ cut here ]------------
| [    3.736095] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    3.736209] Tainted: [W]=WARN
[    3.736230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.736263] Workqueue: netns cleanup_net
[    3.736283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.736314] 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
[    3.736413] RSP: 0018:ff4e1d0b00067c78 EFLAGS: 00010286
[    3.736440] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.736482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2200
[    3.736523] RBP: 0000000000000000 R08: ff2f96cd06346a50 R09: ff2f96cd048ef82c
[    3.736563] R10: ff2f96cd04bc4120 R11: fefefefefefefeff R12: 0000000000000000
[    3.736607] R13: 0000000000000011 R14: ff2f96cd04bc4000 R15: ff2f96cd018c2200
[    3.736655] FS:  0000000000000000(0000) GS:ff2f96cd8fcc9000(0000) knlGS:0000000000000000
[    3.736694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.736727] CR2: 00007f967badfa80 CR3: 0000000021643003 CR4: 0000000000771ef0
[    3.736769] PKRU: 55555554
[    3.736788] Call Trace:
[    3.736803]  <TASK>
[    3.736818]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.736845]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    3.736872]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    3.736895]  cleanup_net (net/core/net_namespace.c:702)
[    3.736917]  process_one_work (kernel/workqueue.c:3314)
[    3.736937]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.736961]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.736983]  kthread (kernel/kthread.c:436)
[    3.737005]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.737025]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.737046]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.737064]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.737099] ---[ end trace 0000000000000000 ]---
| [    3.742224] ------------[ cut here ]------------
| [    3.742310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.742510] Tainted: [W]=WARN
[    3.742565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.742636] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.742701] 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
[    3.742842] RSP: 0018:ff4e1d0b004277b0 EFLAGS: 00010286
[    3.742905] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.742982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2f00
[    3.743059] RBP: 0000000000000000 R08: ff2f96cd06f05ad0 R09: ff2f96cd02033034
[    3.743139] R10: ff2f96cd04bc2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.743216] R13: 0000000000000010 R14: ff2f96cd04bc2000 R15: ff2f96cd018c2f00
[    3.743297] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.743379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.743457] CR2: 0000000038ca3218 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.743538] PKRU: 55555554
[    3.743586] Call Trace:
[    3.743635]  <TASK>
[    3.743683]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.743741]  __dev_notify_flags (net/core/dev.c:9787)
[    3.743804]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.743861]  veth_newlink (drivers/net/veth.c:1871)
[    3.743919]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.743976]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.744040]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.744098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.744156]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.744213]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    3.744271]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    3.744326]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.744384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.744451] RIP: 0033:0x7ff4fd8a1e32
[    3.744506] 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)
[    3.744642] RSP: 002b:00007ffceb5aa648 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    3.744721] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff4fd8a1e32
[    3.744803] RDX: 0000000000000078 RSI: 00007ffceb5aa6f0 RDI: 0000000000000009
[    3.744879] RBP: 00007ffceb5aa670 R08: 0000000000000000 R09: 0000000000000000
[    3.744956] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    3.745033] R13: 0000000000000045 R14: 0000000000413a50 R15: 0000000000000020
| [    3.745159] ---[ end trace 0000000000000000 ]---
| [    3.745355] ------------[ cut here ]------------
| [    3.745426] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.745617] Tainted: [W]=WARN
[    3.745672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.745741] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.745817] 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
[    3.745949] RSP: 0018:ff4e1d0b00427a30 EFLAGS: 00010286
[    3.746013] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.746089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2f00
[    3.746167] RBP: 0000000000000000 R08: ff2f96cd06f05a50 R09: ff2f96cd04bc4034
[    3.746246] R10: ff2f96cd04bc6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.746324] R13: 0000000000000010 R14: ff2f96cd04bc6000 R15: ff2f96cd018c2f00
[    3.746410] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.746490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.746558] CR2: 0000000038ca3218 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.746635] PKRU: 55555554
[    3.746683] Call Trace:
[    3.746731]  <TASK>
[    3.746780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.746846]  __dev_notify_flags (net/core/dev.c:9787)
[    3.746902]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    3.746959]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    3.747016]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.747079]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.747137]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.747194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.747252]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    3.747308]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    3.747365]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.747428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.747491] RIP: 0033:0x7ff4fd8a1e32
[    3.747547] 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)
[    3.747681] RSP: 002b:00007ffceb5aa648 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    3.747758] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff4fd8a1e32
[    3.747839] RDX: 0000000000000078 RSI: 00007ffceb5aa6f0 RDI: 0000000000000009
[    3.747914] RBP: 00007ffceb5aa670 R08: 0000000000000000 R09: 0000000000000000
[    3.747992] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    3.748068] R13: 0000000000000045 R14: 0000000000413a50 R15: 0000000000000020
| [    3.748193] ---[ end trace 0000000000000000 ]---
| [    3.748298] ------------[ cut here ]------------
| [    3.748359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.748552] Tainted: [W]=WARN
[    3.748607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.748675] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.748739] 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
[    3.748884] RSP: 0018:ff4e1d0b004278e0 EFLAGS: 00010286
[    3.748948] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.749025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c6000
[    3.749105] RBP: 0000000000000000 R08: ff2f96cd06f05ad0 R09: ff2f96cd04bc4034
[    3.749181] R10: ff2f96cd04bc2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.749259] R13: 0000000000000010 R14: ff2f96cd04bc2000 R15: ff2f96cd018c6000
[    3.749341] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.749429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.749500] CR2: 0000000038ca3218 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.749580] PKRU: 55555554
[    3.749628] Call Trace:
[    3.749677]  <TASK>
[    3.749726]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.749792]  __dev_notify_flags (net/core/dev.c:9787)
[    3.749849]  netif_change_flags (net/core/dev.c:9820)
[    3.749909]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.749970]  ? wake_up_q (kernel/sched/core.c:4434 kernel/sched/core.c:1158)
[    3.750027]  ? __mutex_unlock_slowpath.isra.0 (./include/linux/sched/wake_q.h:99 kernel/locking/mutex.c:1029)
[    3.750093]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.750160]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    3.750218]  ? netdev_run_todo (net/core/dev.c:11703)
[    3.750275]  ? select_task_rq_fair (kernel/sched/fair.c:8115 kernel/sched/fair.c:8891)
[    3.750340]  ? __dev_notify_flags (net/core/dev.c:9787)
[    3.750404]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.750461]  ? swake_up_one (kernel/sched/swait.c:30 kernel/sched/swait.c:22 kernel/sched/swait.c:53)
[    3.750519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    3.750582]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    3.750648]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    3.750706]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.750769]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.750836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.750893]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.750955]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    3.751012]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    3.751068]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.751129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.751194] RIP: 0033:0x7ff4fd8a1e32
[    3.751251] 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)
[    3.751386] RSP: 002b:00007ffceb5aa658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    3.751468] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff4fd8a1e32
[    3.751551] RDX: 0000000000000020 RSI: 00007ffceb5aa6d0 RDI: 0000000000000009
[    3.751630] RBP: 00007ffceb5aa680 R08: 0000000000000000 R09: 0000000000000000
[    3.751711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000051d40b13
[    3.751800] R13: 00007ff4fd843cc3 R14: 0000000001fe000a R15: 0000000000000000
| [    3.751928] ---[ end trace 0000000000000000 ]---
| [    3.752149] ------------[ cut here ]------------
| [    3.752212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: restore_ipv4/191
| [    3.752408] Tainted: [W]=WARN
[    3.752467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.752540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.752608] 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
[    3.752747] RSP: 0018:ff4e1d0b004278e0 EFLAGS: 00010286
[    3.752827] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    3.752908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2f00
[    3.752985] RBP: 0000000000000000 R08: ff2f96cd06f05a50 R09: ff2f96cd04bc4034
[    3.753064] R10: ff2f96cd04bc6120 R11: fefefefefefefeff R12: 0000000000000000
[    3.753142] R13: 0000000000000010 R14: ff2f96cd04bc6000 R15: ff2f96cd018c2f00
[    3.753226] FS:  00007ff4fd823780(0000) GS:ff2f96cd8fd49000(0000) knlGS:0000000000000000
[    3.753307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.753380] CR2: 00007ff4fd01fcd4 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.753471] PKRU: 55555554
[    3.753523] Call Trace:
[    3.753572]  <TASK>
[    3.753622]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.753684]  __dev_notify_flags (net/core/dev.c:9787)
[    3.753742]  netif_change_flags (net/core/dev.c:9820)
[    3.753810]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    3.753873]  ? alloc_pages_mpol (mm/mempolicy.c:2490)
[    3.753937]  ? __pte_offset_map (./include/linux/rcupdate.h:836 mm/pgtable-generic.c:290)
[    3.753999]  ? walk_pte_range_inner (mm/pagewalk.c:39)
[    3.754066]  ? __nla_validate_parse (lib/nlattr.c:620)
[    3.754135]  ? __alloc_frozen_pages_noprof (mm/page_alloc.c:5226)
[    3.754205]  ? guard_install_pmd_entry (mm/madvise.c:1085)
[    3.754274]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    3.754335]  ? idr_replace (lib/idr.c:304)
[    3.754402]  ? cpu_util.constprop.0 (kernel/sched/fair.c:8322 (discriminator 1))
[    3.754470]  ? sched_balance_find_dst_group (kernel/sched/fair.c:8354 kernel/sched/fair.c:11037 kernel/sched/fair.c:11167)
[    3.754541]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    3.754627]  ? 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))
[    3.754697]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    3.754755]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    3.754827]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    3.754891]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    3.754949]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    3.755008]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    3.755067]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    3.755125]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    3.755181]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    3.755237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    3.755301] RIP: 0033:0x7ff4fd8a1e32
[    3.755356] 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)
[    3.755497] RSP: 002b:00007ffceb5aa658 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    3.755577] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff4fd8a1e32
[    3.755655] RDX: 0000000000000020 RSI: 00007ffceb5aa6d0 RDI: 0000000000000009
[    3.755734] RBP: 00007ffceb5aa680 R08: 0000000000000000 R09: 0000000000000000
[    3.755818] R10: 0000000000000000 R11: 0000000000000246 R12: 000000004bf71a9c
[    3.755898] R13: 0000000000000000 R14: 000000000101000a R15: 00007ff4fd843cc3
| [    3.756029] ---[ end trace 0000000000000000 ]---
| [    3.756145] ------------[ cut here ]------------
| [    3.756182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 2/102
| [    3.756303] Tainted: [W]=WARN
[    3.756325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.756360] Workqueue: events_unbound linkwatch_event
[    3.756389] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.756418] 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
[    3.756516] RSP: 0018:ff4e1d0b0030bd50 EFLAGS: 00010286
[    3.756547] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.756593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2100
[    3.756636] RBP: 0000000000000000 R08: ff2f96cd06f05ad0 R09: ff2f96cd0601a034
[    3.756676] R10: ff2f96cd04bc2120 R11: fefefefefefefeff R12: 0000000000000000
[    3.756718] R13: 0000000000000010 R14: ff2f96cd04bc2000 R15: ff2f96cd018c2100
[    3.756760] FS:  0000000000000000(0000) GS:ff2f96cd8fdc9000(0000) knlGS:0000000000000000
[    3.756808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.756844] CR2: 00007ff4fd01dec0 CR3: 0000000004a02006 CR4: 0000000000771ef0
[    3.756883] PKRU: 55555554
[    3.756899] Call Trace:
[    3.756914]  <TASK>
[    3.756930]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.756952]  netif_state_change (net/core/dev.c:1605)
[    3.756974]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    3.756997]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    3.757030]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    3.757052]  process_one_work (kernel/workqueue.c:3314)
[    3.757076]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.757095]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.757117]  kthread (kernel/kthread.c:436)
[    3.757141]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.757161]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.757185]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.757210]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.757247] ---[ end trace 0000000000000000 ]---
| [    3.782845] ------------[ cut here ]------------
| [    3.782937] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    3.783062] Tainted: [W]=WARN
[    3.783084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.783123] Workqueue: netns cleanup_net
[    3.783150] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.783180] 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
[    3.783278] RSP: 0018:ff4e1d0b00067ce8 EFLAGS: 00010286
[    3.783307] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.783352] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2200
[    3.783392] RBP: 0000000000000000 R08: ff2f96cd031975d0 R09: ff2f96cd04ba4030
[    3.783440] R10: ff2f96cd04b1d120 R11: fefefefefefefeff R12: 0000000000000000
[    3.783478] R13: 0000000000000011 R14: ff2f96cd04b1d000 R15: ff2f96cd018c2200
[    3.783523] FS:  0000000000000000(0000) GS:ff2f96cd8fcc9000(0000) knlGS:0000000000000000
[    3.783566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.783598] CR2: 00007ff4fd81efe8 CR3: 0000000004a02005 CR4: 0000000000771ef0
[    3.783636] PKRU: 55555554
[    3.783649] Call Trace:
[    3.783660]  <TASK>
[    3.783675]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.783699]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    3.783721]  cleanup_net (net/core/net_namespace.c:702)
[    3.783743]  process_one_work (kernel/workqueue.c:3314)
[    3.783765]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.783783]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.783807]  kthread (kernel/kthread.c:436)
[    3.783826]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.783847]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.783867]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.783890]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.783926] ---[ end trace 0000000000000000 ]---
| [    3.799825] ------------[ cut here ]------------
| [    3.799886] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    3.799998] Tainted: [W]=WARN
[    3.800020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.800057] Workqueue: netns cleanup_net
[    3.800079] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.800109] 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
[    3.800201] RSP: 0018:ff4e1d0b00067c78 EFLAGS: 00010286
[    3.800229] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    3.800270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2200
[    3.800313] RBP: 0000000000000000 R08: ff2f96cd063461d0 R09: ff2f96cd0601382c
[    3.800357] R10: ff2f96cd04b18120 R11: fefefefefefefeff R12: 0000000000000000
[    3.800408] R13: 0000000000000011 R14: ff2f96cd04b18000 R15: ff2f96cd018c2200
[    3.800457] FS:  0000000000000000(0000) GS:ff2f96cd8fcc9000(0000) knlGS:0000000000000000
[    3.800502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.800535] CR2: 00007ff4fd81efe8 CR3: 0000000004a02005 CR4: 0000000000771ef0
[    3.800582] PKRU: 55555554
[    3.800596] Call Trace:
[    3.800609]  <TASK>
[    3.800625]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    3.800656]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    3.800686]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    3.800708]  cleanup_net (net/core/net_namespace.c:702)
[    3.800731]  process_one_work (kernel/workqueue.c:3314)
[    3.800757]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.800777]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.800801]  kthread (kernel/kthread.c:436)
[    3.800819]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.800838]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.800858]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.800875]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    3.800911] ---[ end trace 0000000000000000 ]---
| [    4.212814] ------------[ cut here ]------------
| [    4.212908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/39
| [    4.213039] Tainted: [W]=WARN
[    4.213060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.213098] Workqueue: events_unbound linkwatch_event
[    4.213124] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    4.213154] 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
[    4.213246] RSP: 0018:ff4e1d0b00163d50 EFLAGS: 00010286
[    4.213273] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    4.213321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff2f96cd018c2100
[    4.213362] RBP: 0000000000000000 R08: ff2f96cd06f05a50 R09: ff2f96cd0601a034
[    4.213410] R10: ff2f96cd04bc6120 R11: fefefefefefefeff R12: 0000000000000000
[    4.213455] R13: 0000000000000010 R14: ff2f96cd04bc6000 R15: ff2f96cd018c2100
[    4.213494] FS:  0000000000000000(0000) GS:ff2f96cd8fdc9000(0000) knlGS:0000000000000000
[    4.213540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.213571] CR2: 00007ff4f0006298 CR3: 000000000196e005 CR4: 0000000000771ef0
[    4.213611] PKRU: 55555554
[    4.213624] Call Trace:
[    4.213640]  <TASK>
[    4.213657]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    4.213680]  netif_state_change (net/core/dev.c:1605)
[    4.213704]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    4.213727]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    4.213757]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    4.213780]  process_one_work (kernel/workqueue.c:3314)
[    4.213803]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    4.213824]  ? rescuer_thread (kernel/workqueue.c:3672)
[    4.213846]  kthread (kernel/kthread.c:436)
[    4.213866]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    4.213891]  ret_from_fork (arch/x86/kernel/process.c:158)
[    4.213915]  ? 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: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