======================================
| 0
| xx__-> [    7.653659][  T153] ------------[ cut here ]------------
| [    7.653853][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: rst_ipv6/153
| [    7.654407][  T153] Tainted: [W]=WARN
[    7.654502][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.654660][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.654822][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.655276][  T153] RSP: 0018:ffa0000000797ab0 EFLAGS: 00010286
[    7.655435][  T153] RAX: 00000000ffffffa6 RBX: ff1100000972de00 RCX: 1ff40000000f2f1c
[    7.655624][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000972deb8
[    7.655811][  T153] RBP: ff1100000a391000 R08: 1fe22000012e5bd8 R09: ff1100000bf9ae80
[    7.656044][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.656231][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a391000
[    7.656419][  T153] FS:  00007f797beea780(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[    7.656639][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.656797][  T153] CR2: 00007f797bf5d0a0 CR3: 000000000bffa005 CR4: 0000000000771ef0
[    7.656992][  T153] PKRU: 55555554
[    7.657086][  T153] Call Trace:
[    7.657182][  T153]  <TASK>
[    7.657248][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.657373][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.657501][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.657596][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.657721][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.657878][  T153]  register_netdev (net/core/dev.c:11552)
[    7.658014][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    7.658141][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.658238][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.658331][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.658455][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.658581][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.658707][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.658833][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.658968][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.659095][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.659220][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.659346][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.659470][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.659596][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.659725][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.659851][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.659989][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.660121][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.660246][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.660369][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.660523][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.660653][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.661101][  T153] RSP: 002b:00007ffc7c3d6398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.661288][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f797bfe5bcb
[    7.661473][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.661656][  T153] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    7.661842][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    7.662037][  T153] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000080
| [    7.663285][  T153] ---[ end trace 0000000000000000 ]---
| [    7.666577][  T153] ------------[ cut here ]------------
| [    7.666712][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: rst_ipv6/153
| [    7.667221][  T153] Tainted: [W]=WARN
[    7.667315][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.667470][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.667631][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.668082][  T153] RSP: 0018:ffa0000000797a98 EFLAGS: 00010286
[    7.668244][  T153] RAX: 00000000ffffffa6 RBX: ff11000009350580 RCX: 1ff40000000f2f19
[    7.668430][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009350638
[    7.668617][  T153] RBP: ff11000007671000 R08: 1fe220000126a0c8 R09: ff1100000bf9ae80
[    7.668800][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.668996][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007671000
[    7.669182][  T153] FS:  00007f797beea780(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[    7.669400][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.669556][  T153] CR2: 00007f797bf5d0a0 CR3: 000000000bffa005 CR4: 0000000000771ef0
[    7.669742][  T153] PKRU: 55555554
[    7.669836][  T153] Call Trace:
[    7.669988][  T153]  <TASK>
[    7.670053][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.670177][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.670352][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.670446][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.670572][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.670728][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.670853][  T153]  register_netdev (net/core/dev.c:11552)
[    7.671033][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    7.671158][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.671256][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.671349][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.671471][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.671596][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.671720][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.671844][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.672029][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.672153][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.672276][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.672399][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.672523][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.672646][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.672771][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.672894][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.673074][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.673198][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.673323][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.673446][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.673600][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.673728][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.674229][  T153] RSP: 002b:00007ffc7c3d6398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    7.674416][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f797bfe5bcb
[    7.674598][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.674782][  T153] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    7.675028][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    7.675210][  T153] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000080
| [    7.676488][  T153] ---[ end trace 0000000000000000 ]---
| [    7.693701][  T153] ------------[ cut here ]------------
| [    7.693882][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.694413][  T153] Tainted: [W]=WARN
[    7.694508][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.694663][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.694822][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.695275][  T153] RSP: 0018:ffa0000000797ab0 EFLAGS: 00010286
[    7.695431][  T153] RAX: 00000000ffffffa6 RBX: ff1100000c2a7e00 RCX: 1ff40000000f2f1c
[    7.695615][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2a7eb8
[    7.695804][  T153] RBP: ff1100000582c000 R08: 1fe2200001854fd8 R09: ff1100000bf9ae80
[    7.696002][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.696185][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000582c000
[    7.696369][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.696583][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.696737][  T153] CR2: 00007fa7dce9cc20 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.696928][  T153] PKRU: 55555554
[    7.697024][  T153] Call Trace:
[    7.697115][  T153]  <TASK>
[    7.697178][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.697302][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.697432][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.697525][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.697649][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.697804][  T153]  register_netdev (net/core/dev.c:11552)
[    7.697931][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    7.698059][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.698153][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.698245][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.698368][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.698491][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.698617][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.698741][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.698866][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.699046][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.699171][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.699294][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.699418][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.699593][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.699715][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.699837][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.700012][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.700136][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.700258][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.700411][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.700538][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.701001][  T153] RSP: 002b:00007ffc7c3d6398 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.701186][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f797bfe5bcb
[    7.701369][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.701552][  T153] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    7.701735][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.701922][  T153] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000080
| [    7.703159][  T153] ---[ end trace 0000000000000000 ]---
| [    7.707227][  T153] ------------[ cut here ]------------
| [    7.707363][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.707855][  T153] Tainted: [W]=WARN
[    7.708211][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.708384][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.708548][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.709050][  T153] RSP: 0018:ffa0000000797a98 EFLAGS: 00010286
[    7.709205][  T153] RAX: 00000000ffffffa6 RBX: ff1100000c2a7a80 RCX: 1ff40000000f2f19
[    7.709443][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2a7b38
[    7.709625][  T153] RBP: ff11000007b19000 R08: 1fe2200001854f68 R09: ff1100000bf9ae80
[    7.709807][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.710045][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007b19000
[    7.710229][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.710442][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.710596][  T153] CR2: 00007fa7dce9cc20 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.710780][  T153] PKRU: 55555554
[    7.710871][  T153] Call Trace:
[    7.711018][  T153]  <TASK>
[    7.711081][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.711206][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.711329][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.711421][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.711544][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.711697][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.711820][  T153]  register_netdev (net/core/dev.c:11552)
[    7.711998][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    7.712121][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.712214][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.712306][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.712427][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.712549][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.712673][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.712797][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.712977][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.713099][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.713221][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.713342][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    7.713464][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.713587][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.713709][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.713833][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.714008][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.714131][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.714252][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.714404][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.714531][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.715024][  T153] RSP: 002b:00007ffc7c3d6398 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.715209][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f797bfe5bcb
[    7.715393][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.715575][  T153] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    7.715757][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    7.715995][  T153] R13: 0000000000419330 R14: 000000000000000f R15: 0000000000000080
| [    7.717267][  T153] ---[ end trace 0000000000000000 ]---
| [    7.726196][  T153] ------------[ cut here ]------------
| [    7.726363][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.726867][  T153] Tainted: [W]=WARN
[    7.727012][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.727205][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.727374][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.727820][  T153] RSP: 0018:ffa0000000797020 EFLAGS: 00010286
[    7.727991][  T153] RAX: 00000000ffffffa6 RBX: ff1100000a5ae3c0 RCX: 1ff40000000f2dca
[    7.728179][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a5ae478
[    7.728366][  T153] RBP: ff110000059bc000 R08: 1fe22000014b5c90 R09: ff1100000bf9ae80
[    7.728553][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.728742][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a24008c
[    7.728935][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.729161][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.729319][  T153] CR2: 00007fa7dce9cc20 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.729509][  T153] PKRU: 55555554
[    7.729604][  T153] Call Trace:
[    7.729698][  T153]  <TASK>
[    7.729762][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.729888][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.730024][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    7.730151][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.730246][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.730372][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    7.730500][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.730639][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    7.730766][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    7.730892][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    7.731027][  T153]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    7.731155][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.731282][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    7.731416][  T153]  veth_newlink (drivers/net/veth.c:1871)
[    7.731544][  T153]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    7.731670][  T153]  ? kasan_save_stack (mm/kasan/common.c:57)
[    7.731796][  T153]  ? kasan_save_track (mm/kasan/common.c:78)
[    7.731927][  T153]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    7.732068][  T153]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    7.732193][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    7.732320][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    7.732451][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.732578][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    7.732706][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    7.732833][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    7.732965][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    7.733093][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    7.733223][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    7.733356][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    7.733484][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.733609][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.733734][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    7.733863][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.733996][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.734122][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    7.734247][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    7.734376][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.734501][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    7.734628][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.734752][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.734878][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    7.735014][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.735139][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    7.735267][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    7.735397][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    7.735524][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    7.735651][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    7.735776][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    7.735904][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    7.736044][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    7.736169][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    7.736299][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    7.736454][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    7.736609][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.736736][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    7.736863][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    7.736999][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.737127][  T153]  ? update_socket_protocol+0x10/0x10
[    7.737257][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.737384][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    7.737510][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.737667][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.737791][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.737924][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.738053][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.738182][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.738308][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.738465][  T153] RIP: 0033:0x7f797bf5d08e
[    7.738596][  T153] 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
[    7.739052][  T153] RSP: 002b:00007ffc7c3d5a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    7.739246][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f797bf5d08e
[    7.739436][  T153] RDX: 0000000000000078 RSI: 00007ffc7c3d5b20 RDI: 0000000000000008
[    7.739624][  T153] RBP: 00007ffc7c3d5aa0 R08: 0000000000000000 R09: 0000000000000000
[    7.739812][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    7.740013][  T153] R13: 0000000000000045 R14: 0000000000410f4d R15: 0000000000000080
| [    7.741275][  T153] ---[ end trace 0000000000000000 ]---
| [    7.750171][  T153] ------------[ cut here ]------------
| [    7.750354][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.750879][  T153] Tainted: [W]=WARN
[    7.750994][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.751149][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.751311][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.751763][  T153] RSP: 0018:ffa00000007973a0 EFLAGS: 00010286
[    7.751929][  T153] RAX: 00000000ffffffa6 RBX: ff1100000a224580 RCX: 1ff40000000f2e3a
[    7.752120][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a224638
[    7.752311][  T153] RBP: ff11000008601000 R08: 1fe22000014448c8 R09: ff1100000bf9ae80
[    7.752496][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.752685][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    7.752872][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.753159][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.753317][  T153] CR2: 00007fa7dce9cc20 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.753508][  T153] PKRU: 55555554
[    7.753603][  T153] Call Trace:
[    7.753696][  T153]  <TASK>
[    7.753760][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.753885][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.754073][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    7.754200][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.754294][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.754422][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    7.754547][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.754672][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    7.754797][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    7.755020][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    7.755147][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    7.755273][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.755402][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    7.755527][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    7.755653][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    7.755777][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    7.755902][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    7.756112][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    7.756241][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    7.756367][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.756494][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.756621][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    7.756748][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.756872][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.757095][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    7.757219][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    7.757343][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.757473][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    7.757598][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.757722][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.757849][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    7.758022][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.758147][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    7.758274][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    7.758398][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    7.758527][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    7.758654][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    7.758778][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    7.758903][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    7.759038][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    7.759163][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    7.759289][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    7.759448][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    7.759602][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.759727][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    7.759852][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    7.759989][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.760116][  T153]  ? update_socket_protocol+0x10/0x10
[    7.760243][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.760371][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    7.760496][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.760650][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.760773][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.760898][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.761031][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.761155][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.761284][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.761437][  T153] RIP: 0033:0x7f797bf5d08e
[    7.761567][  T153] 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
[    7.762018][  T153] RSP: 002b:00007ffc7c3d5a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    7.762209][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f797bf5d08e
[    7.762395][  T153] RDX: 0000000000000078 RSI: 00007ffc7c3d5b20 RDI: 0000000000000008
[    7.762580][  T153] RBP: 00007ffc7c3d5aa0 R08: 0000000000000000 R09: 0000000000000000
[    7.762766][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    7.762962][  T153] R13: 0000000000000045 R14: 0000000000410f4d R15: 0000000000000080
| [    7.764212][  T153] ---[ end trace 0000000000000000 ]---
| [    7.766275][   T69] ------------[ cut here ]------------
| [    7.766426][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/69
| [    7.766906][   T69] Tainted: [W]=WARN
[    7.767004][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.767151][   T69] Workqueue: netns cleanup_net
[    7.767276][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.767423][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.767865][   T69] RSP: 0018:ffa00000004a7938 EFLAGS: 00010286
[    7.768016][   T69] RAX: 00000000ffffffa6 RBX: ff1100000a225000 RCX: 1ff4000000094eed
[    7.768182][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a2250b8
[    7.768349][   T69] RBP: ff11000007671000 R08: 1fe2200001444a18 R09: ff11000008ca51d0
[    7.768516][   T69] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.768686][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.768856][   T69] FS:  0000000000000000(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[    7.769103][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.769245][   T69] CR2: 00007f797bf5d0a0 CR3: 000000000bffa005 CR4: 0000000000771ef0
[    7.769417][   T69] PKRU: 55555554
[    7.769501][   T69] Call Trace:
[    7.769586][   T69]  <TASK>
[    7.769645][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.769790][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.769941][   T69]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    7.770137][   T69]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    7.770251][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.770363][   T69]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    7.770479][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.770661][   T69]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.770775][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.770887][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.771013][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    7.771194][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.771307][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.771427][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.771540][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.771723][   T69]  process_one_work (kernel/workqueue.c:3314)
[    7.771838][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.771959][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.772076][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.772257][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.772370][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    7.772483][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.772595][   T69]  kthread (kernel/kthread.c:436)
[    7.772747][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.772888][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.773018][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.773134][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.773274][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.773389][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.773502][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.774586][   T69] ---[ end trace 0000000000000000 ]---
| [    7.781693][  T153] ------------[ cut here ]------------
| [    7.781828][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.782584][  T153] Tainted: [W]=WARN
[    7.782677][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.782837][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.783005][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.783445][  T153] RSP: 0018:ffa0000000797ab0 EFLAGS: 00010286
[    7.783600][  T153] RAX: 00000000ffffffa6 RBX: ff1100000972cac0 RCX: 1ff40000000f2f1c
[    7.783787][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000972cb78
[    7.783978][  T153] RBP: ff1100000d544000 R08: 1fe22000012e5970 R09: ff1100000bf9ae80
[    7.784160][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.784342][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d544000
[    7.784528][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.784743][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.784897][  T153] CR2: 0000000000405520 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.785093][  T153] PKRU: 55555554
[    7.785184][  T153] Call Trace:
[    7.785280][  T153]  <TASK>
[    7.785343][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.785465][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.785593][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.785687][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.785822][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.785986][  T153]  register_netdev (net/core/dev.c:11552)
[    7.786110][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    7.786237][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.786331][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.786424][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.786546][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.786670][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.786794][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.786976][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.787105][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.787228][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.787351][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.787474][  T153]  ? ksys_write (fs/read_write.c:740)
[    7.787598][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.787756][  T153]  ? __ia32_sys_read (fs/read_write.c:724)
[    7.787881][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.788016][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.788138][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.788259][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.788382][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.788505][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.788657][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.788784][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.789231][  T153] RSP: 002b:00007ffc7c3d63f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.789415][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f797bfe5bcb
[    7.789598][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.789784][  T153] RBP: 000000006a10ed48 R08: 0000000000000000 R09: 0000000000000000
[    7.789975][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.790157][  T153] R13: 0100000000000000 R14: 000000000000000f R15: 0000000000000080
| [    7.791394][  T153] ---[ end trace 0000000000000000 ]---
| [    7.792038][   T69] ------------[ cut here ]------------
| [    7.792166][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/69
| [    7.792649][   T69] Tainted: [W]=WARN
[    7.792737][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.792878][   T69] Workqueue: netns cleanup_net
[    7.793033][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.793181][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.793585][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    7.793731][   T69] RAX: 00000000ffffffa6 RBX: ff11000009351a80 RCX: 1ff4000000094ed5
[    7.793900][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009351b38
[    7.794081][   T69] RBP: ff11000008601000 R08: 1fe220000126a368 R09: ff11000008ca51d0
[    7.794251][   T69] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.794422][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.794593][   T69] FS:  0000000000000000(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[    7.794792][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.794940][   T69] CR2: 00007f797bf5d0a0 CR3: 000000000bffa005 CR4: 0000000000771ef0
[    7.795116][   T69] PKRU: 55555554
[    7.795202][   T69] Call Trace:
[    7.795287][   T69]  <TASK>
[    7.795346][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.795490][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.795632][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.795747][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.795861][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    7.796017][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    7.796132][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    7.796248][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    7.796364][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    7.796478][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.796591][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.796712][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    7.796826][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.796945][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.797066][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.797179][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.797294][   T69]  process_one_work (kernel/workqueue.c:3314)
[    7.797411][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.797526][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.797642][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.797757][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.797869][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    7.797992][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.798105][   T69]  kthread (kernel/kthread.c:436)
[    7.798190][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.798332][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.798446][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.798560][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.798701][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.798816][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.798934][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.800026][   T69] ---[ end trace 0000000000000000 ]---
| [    7.801361][   T69] ------------[ cut here ]------------
| [    7.801474][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/69
| [    7.802448][   T69] Tainted: [W]=WARN
[    7.802535][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.802676][   T69] Workqueue: netns cleanup_net
[    7.802793][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.803017][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.803427][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    7.803570][   T69] RAX: 00000000ffffffa6 RBX: ff110000026e7000 RCX: 1ff4000000094ed5
[    7.803738][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026e70b8
[    7.803910][   T69] RBP: ff110000059bc000 R08: 1fe22000004dce18 R09: ff11000008ca51d0
[    7.804087][   T69] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.804262][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.804432][   T69] FS:  0000000000000000(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[    7.804630][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.804772][   T69] CR2: 00007f797bf5d0a0 CR3: 000000000bffa005 CR4: 0000000000771ef0
[    7.804947][   T69] PKRU: 55555554
[    7.805037][   T69] Call Trace:
[    7.805121][   T69]  <TASK>
[    7.805180][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.805325][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.805467][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.805590][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.805703][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    7.805850][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    7.805972][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    7.806087][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    7.806206][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    7.806322][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.806437][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.806552][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    7.806668][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.806780][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.806898][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.807019][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.807133][   T69]  process_one_work (kernel/workqueue.c:3314)
[    7.807250][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.807364][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.807482][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.807596][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.807710][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    7.807823][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.807943][   T69]  kthread (kernel/kthread.c:436)
[    7.808034][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.808176][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.808289][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.808403][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.808543][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.808656][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.808771][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.809858][   T69] ---[ end trace 0000000000000000 ]---
| [    7.810942][   T69] ------------[ cut here ]------------
| [    7.811059][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/69
| [    7.811599][   T69] Tainted: [W]=WARN
[    7.811755][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.811897][   T69] Workqueue: netns cleanup_net
[    7.812101][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.812250][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.812727][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    7.812871][   T69] RAX: 00000000ffffffa6 RBX: ff1100000d7e4580 RCX: 1ff4000000094ed5
[    7.813103][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7e4638
[    7.813272][   T69] RBP: ff1100000a391000 R08: 1fe2200001afc8c8 R09: ff11000008ca51d0
[    7.813440][   T69] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    7.813609][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.813849][   T69] FS:  0000000000000000(0000) GS:ff1100009dcb0000(0000) knlGS:0000000000000000
[    7.814132][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.814318][   T69] CR2: 00007f797bf5d0a0 CR3: 000000000bffa005 CR4: 0000000000771ef0
[    7.814486][   T69] PKRU: 55555554
[    7.814570][   T69] Call Trace:
[    7.814654][   T69]  <TASK>
[    7.814712][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.814864][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.815056][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.815169][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.815282][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    7.815430][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    7.815612][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    7.815729][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    7.815848][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    7.816080][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.816193][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.816308][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    7.816421][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.816534][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.816648][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.816760][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.816994][   T69]  process_one_work (kernel/workqueue.c:3314)
[    7.817112][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.817226][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.817343][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.817458][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.817570][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    7.817685][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.817868][   T69]  kthread (kernel/kthread.c:436)
[    7.818000][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.818148][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.818271][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.818384][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.818526][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.818709][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.818822][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.820066][   T69] ---[ end trace 0000000000000000 ]---
| [    7.823896][  T153] ------------[ cut here ]------------
| [    7.824040][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.824547][  T153] Tainted: [W]=WARN
[    7.824639][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.824793][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.824961][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.825402][  T153] RSP: 0018:ffa0000000797a98 EFLAGS: 00010286
[    7.825556][  T153] RAX: 00000000ffffffa6 RBX: ff1100000d7e5380 RCX: 1ff40000000f2f19
[    7.825738][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d7e5438
[    7.825925][  T153] RBP: ff1100000d431000 R08: 1fe2200001afca88 R09: ff1100000bf9ae80
[    7.826115][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.826296][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d431000
[    7.826479][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.826693][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.826851][  T153] CR2: 0000000000405520 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.827046][  T153] PKRU: 55555554
[    7.827138][  T153] Call Trace:
[    7.827228][  T153]  <TASK>
[    7.827290][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.827412][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.827535][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.827666][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.827789][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.827949][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.828076][  T153]  register_netdev (net/core/dev.c:11552)
[    7.828198][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    7.828322][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.828415][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.828507][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.828632][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.828755][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.828878][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.829011][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.829134][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.829256][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.829382][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.829503][  T153]  ? ksys_write (fs/read_write.c:740)
[    7.829625][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.829747][  T153]  ? __ia32_sys_read (fs/read_write.c:724)
[    7.829870][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.830002][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.830123][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.830245][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.830372][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.830494][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.830646][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.830774][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.831214][  T153] RSP: 002b:00007ffc7c3d63f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.831400][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f797bfe5bcb
[    7.831583][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.831764][  T153] RBP: 000000006a10ed48 R08: 0000000000000000 R09: 0000000000000000
[    7.831952][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.832141][  T153] R13: 0100000000000000 R14: 000000000000000f R15: 0000000000000080
| [    7.833365][  T153] ---[ end trace 0000000000000000 ]---
| [    7.840212][  T153] ------------[ cut here ]------------
| [    7.840348][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.840839][  T153] Tainted: [W]=WARN
[    7.840938][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.841100][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.841257][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.841692][  T153] RSP: 0018:ffa0000000797ab0 EFLAGS: 00010286
[    7.841848][  T153] RAX: 00000000ffffffa6 RBX: ff1100000bcc0900 RCX: 1ff40000000f2f1c
[    7.842519][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bcc09b8
[    7.842702][  T153] RBP: ff1100000d4c4000 R08: 1fe2200001798138 R09: ff1100000bf9ae80
[    7.842884][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.843125][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d4c4000
[    7.843314][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.843528][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.843682][  T153] CR2: 0000000000405520 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.843866][  T153] PKRU: 55555554
[    7.844014][  T153] Call Trace:
[    7.844109][  T153]  <TASK>
[    7.844225][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.844349][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.844473][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.844567][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.844691][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.844847][  T153]  register_netdev (net/core/dev.c:11552)
[    7.845028][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    7.845151][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.845248][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.845341][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.845464][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.845587][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.845711][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.845836][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.846015][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.846142][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.846266][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.846389][  T153]  ? ksys_write (fs/read_write.c:740)
[    7.846513][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.846641][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.846763][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.846887][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.847066][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.847193][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.847316][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.847469][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.847597][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.848088][  T153] RSP: 002b:00007ffc7c3d63f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.848279][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f797bfe5bcb
[    7.848462][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.848645][  T153] RBP: 000000006a10ed48 R08: 0000000000000000 R09: 0000000000000000
[    7.848828][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.849072][  T153] R13: 0100000000000000 R14: 000000000000000f R15: 0000000000000080
| [    7.850354][  T153] ---[ end trace 0000000000000000 ]---
| [    7.853384][  T153] ------------[ cut here ]------------
| [    7.853513][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.854021][  T153] Tainted: [W]=WARN
[    7.854113][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.854265][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.854427][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.854862][  T153] RSP: 0018:ffa0000000797a98 EFLAGS: 00010286
[    7.855500][  T153] RAX: 00000000ffffffa6 RBX: ff1100000bcc1a80 RCX: 1ff40000000f2f19
[    7.855686][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bcc1b38
[    7.855893][  T153] RBP: ff1100000d434000 R08: 1fe2200001798368 R09: ff1100000bf9ae80
[    7.856134][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.856320][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d434000
[    7.856503][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.856722][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.856876][  T153] CR2: 0000000000405520 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.857117][  T153] PKRU: 55555554
[    7.857259][  T153] Call Trace:
[    7.857351][  T153]  <TASK>
[    7.857414][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.857540][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    7.857663][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.857757][  T153]  register_netdevice (net/core/dev.c:11488)
[    7.857880][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    7.858086][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.858209][  T153]  register_netdev (net/core/dev.c:11552)
[    7.858331][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    7.858458][  T153]  ops_init (net/core/net_namespace.c:137)
[    7.858552][  T153]  setup_net (net/core/net_namespace.c:446)
[    7.858645][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    7.858766][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    7.858889][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    7.859073][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    7.859195][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    7.859324][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    7.859446][  T153]  ksys_unshare (kernel/fork.c:3243)
[    7.859570][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    7.859693][  T153]  ? ksys_write (fs/read_write.c:740)
[    7.859815][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    7.859993][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    7.860117][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.860239][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.860364][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.860486][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.860609][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.860760][  T153] RIP: 0033:0x7f797bfe5bcb
[    7.860887][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    7.861388][  T153] RSP: 002b:00007ffc7c3d63f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    7.861573][  T153] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f797bfe5bcb
[    7.861754][  T153] RDX: 0000000000000000 RSI: 0000000000410a3f RDI: 0000000040000000
[    7.861991][  T153] RBP: 000000006a10ed48 R08: 0000000000000000 R09: 0000000000000000
[    7.862177][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    7.862361][  T153] R13: 0100000000000000 R14: 000000000000000f R15: 0000000000000080
| [    7.863636][  T153] ---[ end trace 0000000000000000 ]---
| [    7.876961][   T69] ------------[ cut here ]------------
| [    7.877090][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/69
| [    7.877568][   T69] Tainted: [W]=WARN
[    7.877654][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.877795][   T69] Workqueue: netns cleanup_net
[    7.877912][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.878071][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.878470][   T69] RSP: 0018:ffa00000004a7938 EFLAGS: 00010286
[    7.878614][   T69] RAX: 00000000ffffffa6 RBX: ff1100000c2a78c0 RCX: 1ff4000000094eed
[    7.878790][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2a7978
[    7.878967][   T69] RBP: ff11000007b19000 R08: 1fe2200001854f30 R09: ff11000008ca51d0
[    7.879138][   T69] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    7.879304][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.879476][   T69] FS:  0000000000000000(0000) GS:ff1100009de30000(0000) knlGS:0000000000000000
[    7.879672][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.879813][   T69] CR2: 000055dd94f4e400 CR3: 000000000e456005 CR4: 0000000000771ef0
[    7.879997][   T69] PKRU: 55555554
[    7.880081][   T69] Call Trace:
[    7.880168][   T69]  <TASK>
[    7.880227][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.880371][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.880511][   T69]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    7.880625][   T69]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    7.880739][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    7.880854][   T69]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    7.880983][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    7.881097][   T69]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    7.881215][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.881327][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.881441][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    7.881554][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.881668][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.881780][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.881891][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.882013][   T69]  process_one_work (kernel/workqueue.c:3314)
[    7.882127][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.882238][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.882355][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.882468][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.882579][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    7.882692][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.882802][   T69]  kthread (kernel/kthread.c:436)
[    7.882886][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.883035][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.883147][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.883261][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.883402][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.883514][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.883625][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.884813][   T69] ---[ end trace 0000000000000000 ]---
| [    7.896507][   T69] ------------[ cut here ]------------
| [    7.896644][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/69
| [    7.897143][   T69] Tainted: [W]=WARN
[    7.897229][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.897374][   T69] Workqueue: netns cleanup_net
[    7.897493][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.897641][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.898053][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    7.898206][   T69] RAX: 00000000ffffffa6 RBX: ff1100000b074200 RCX: 1ff4000000094ed5
[    7.898380][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0742b8
[    7.898550][   T69] RBP: ff1100000582c000 R08: 1fe220000160e858 R09: ff11000008ca51d0
[    7.898718][   T69] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    7.898893][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    7.899074][   T69] FS:  0000000000000000(0000) GS:ff1100009de30000(0000) knlGS:0000000000000000
[    7.899274][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.899418][   T69] CR2: 000055dd94f4e400 CR3: 000000000e456005 CR4: 0000000000771ef0
[    7.899593][   T69] PKRU: 55555554
[    7.899677][   T69] Call Trace:
[    7.899763][   T69]  <TASK>
[    7.899822][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    7.899977][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    7.900126][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    7.900246][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    7.900361][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    7.900480][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    7.900598][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    7.900713][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    7.900828][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.900949][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    7.901068][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    7.901184][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    7.901302][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    7.901416][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    7.901534][   T69]  process_one_work (kernel/workqueue.c:3314)
[    7.901651][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    7.901764][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.901884][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    7.902008][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.902123][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    7.902242][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    7.902356][   T69]  kthread (kernel/kthread.c:436)
[    7.902443][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.902594][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.902713][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    7.902827][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    7.903008][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    7.903126][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    7.903240][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    7.904328][   T69] ---[ end trace 0000000000000000 ]---
| [    7.978126][  T153] ------------[ cut here ]------------
| [    7.978316][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    7.978852][  T153] Tainted: [W]=WARN
[    7.978954][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    7.979119][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    7.979282][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    7.979731][  T153] RSP: 0018:ffa0000000797020 EFLAGS: 00010286
[    7.979892][  T153] RAX: 00000000ffffffa6 RBX: ff110000026e7c40 RCX: 1ff40000000f2dca
[    7.980089][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000026e7cf8
[    7.980277][  T153] RBP: ff1100000d481000 R08: 1fe22000004dcfa0 R09: ff1100000bf9ae80
[    7.980465][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    7.980654][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b1e1c8c
[    7.980843][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    7.981075][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.981235][  T153] CR2: 000000001ce72218 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    7.981426][  T153] PKRU: 55555554
[    7.981521][  T153] Call Trace:
[    7.981615][  T153]  <TASK>
[    7.981680][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.981807][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    7.981940][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    7.982072][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    7.982168][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.982295][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    7.982422][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.982550][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    7.982675][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    7.982802][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    7.982931][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.983063][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    7.983190][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    7.983318][  T153]  veth_newlink (drivers/net/veth.c:1871)
[    7.983445][  T153]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    7.983571][  T153]  ? kasan_save_stack (mm/kasan/common.c:57)
[    7.983698][  T153]  ? kasan_save_track (mm/kasan/common.c:78)
[    7.983823][  T153]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    7.983969][  T153]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    7.984095][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    7.984224][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    7.984350][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    7.984476][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    7.984604][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    7.984732][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    7.984860][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    7.984995][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    7.985127][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    7.985256][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    7.985384][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.985509][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.985634][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    7.985763][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.985891][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    7.986026][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    7.986152][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    7.986278][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.986404][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    7.986532][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    7.986659][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    7.986787][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    7.986922][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    7.987052][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    7.987180][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    7.987305][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    7.987432][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    7.987560][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    7.987685][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    7.987814][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    7.987946][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    7.988079][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    7.988209][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    7.988336][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    7.988465][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    7.988595][  T153]  ? update_socket_protocol+0x10/0x10
[    7.988722][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    7.988850][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    7.988986][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    7.989142][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    7.989266][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    7.989392][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    7.989517][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    7.989644][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    7.989771][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    7.989929][  T153] RIP: 0033:0x7f797bf68e32
[    7.990066][  T153] 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)
[    7.990514][  T153] RSP: 002b:00007ffc7c3d5ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    7.990706][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f797bf68e32
[    7.990896][  T153] RDX: 0000000000000078 RSI: 00007ffc7c3d5b80 RDI: 0000000000000009
[    7.991094][  T153] RBP: 00007ffc7c3d5b00 R08: 0000000000000000 R09: 0000000000000000
[    7.991283][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    7.991473][  T153] R13: 0000000000000045 R14: 0000000000414b10 R15: 0000000000000080
| [    7.992735][  T153] ---[ end trace 0000000000000000 ]---
| [    7.999776][  T153] ------------[ cut here ]------------
| [    7.999907][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    8.000415][  T153] Tainted: [W]=WARN
[    8.000510][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.000668][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.000830][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.001287][  T153] RSP: 0018:ffa00000007973a0 EFLAGS: 00010286
[    8.001444][  T153] RAX: 00000000ffffffa6 RBX: ff11000009314ac0 RCX: 1ff40000000f2e3a
[    8.001632][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009314b78
[    8.001819][  T153] RBP: ff1100000251c000 R08: 1fe2200001262970 R09: ff1100000bf9ae80
[    8.002016][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.002202][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.002391][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    8.002609][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.002766][  T153] CR2: 000000001ce72218 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    8.002962][  T153] PKRU: 55555554
[    8.003057][  T153] Call Trace:
[    8.003151][  T153]  <TASK>
[    8.003215][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.003341][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.003468][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.003594][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.003689][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.003815][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.003947][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.004078][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.004203][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.004328][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.004453][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.004578][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.004704][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.004831][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.005015][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.005141][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.005266][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.005395][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.005523][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.005649][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.005774][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.005899][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.006082][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.006208][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.006332][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.006455][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.006580][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.006705][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.006831][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.007009][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.007137][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.007262][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.007388][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.007515][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.007639][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.007765][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.007890][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.008071][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.008196][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.008321][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.008447][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.008574][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.008699][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.008826][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.009036][  T153]  ? update_socket_protocol+0x10/0x10
[    8.009162][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.009288][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.009414][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.009570][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.009694][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.009820][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.010040][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.010165][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.010290][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.010444][  T153] RIP: 0033:0x7f797bf68e32
[    8.010573][  T153] 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)
[    8.011113][  T153] RSP: 002b:00007ffc7c3d5ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.011300][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f797bf68e32
[    8.011485][  T153] RDX: 0000000000000078 RSI: 00007ffc7c3d5b80 RDI: 0000000000000009
[    8.011670][  T153] RBP: 00007ffc7c3d5b00 R08: 0000000000000000 R09: 0000000000000000
[    8.011856][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    8.012120][  T153] R13: 0000000000000045 R14: 0000000000414b10 R15: 0000000000000080
| [    8.013377][  T153] ---[ end trace 0000000000000000 ]---
| [    8.014034][  T153] ------------[ cut here ]------------
| [    8.014160][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    8.014646][  T153] Tainted: [W]=WARN
[    8.014738][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.014892][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.015646][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.016134][  T153] RSP: 0018:ffa0000000797220 EFLAGS: 00010286
[    8.016287][  T153] RAX: 00000000ffffffa6 RBX: ff11000009315000 RCX: 1ff40000000f2e0a
[    8.016468][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000093150b8
[    8.016650][  T153] RBP: ff1100000d481000 R08: 1fe2200001262a18 R09: ff1100000bf9ae58
[    8.016832][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    8.017036][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d481ce1
[    8.017225][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    8.017439][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.017593][  T153] CR2: 000000001ce72218 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    8.017776][  T153] PKRU: 55555554
[    8.017872][  T153] Call Trace:
[    8.017971][  T153]  <TASK>
[    8.018035][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.018159][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.018252][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.018374][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.018496][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.018619][  T153]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.018747][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.018869][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.019000][  T153]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    8.019126][  T153]  netif_change_flags (net/core/dev.c:9820)
[    8.019249][  T153]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.019373][  T153]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.019497][  T153]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.019654][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.019777][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.019898][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.020029][  T153]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.020152][  T153]  ? __kernel_text_address (kernel/extable.c:79)
[    8.020275][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.020398][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.020522][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.020644][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.020765][  T153]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.020888][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.021020][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.021141][  T153]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.021264][  T153]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    8.021387][  T153]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.021510][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.021633][  T153]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.021755][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.021876][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.022009][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.022134][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.022255][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.022377][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.022500][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.022621][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.022743][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.022864][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.022996][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.023118][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.023239][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.023361][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.023482][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.023605][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.023728][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.023850][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.023982][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.024104][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.024229][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.024351][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.024474][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.024598][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.024720][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.024842][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.024974][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.025097][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.025222][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.025345][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.025473][  T153]  ? fput_close_sync (fs/file_table.c:615)
[    8.025595][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.025717][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.025838][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.025997][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.026119][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.026241][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.026362][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.026483][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.026605][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.026756][  T153] RIP: 0033:0x7f797bf68e32
[    8.026883][  T153] 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)
[    8.027328][  T153] RSP: 002b:00007ffc7c3d5ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.027511][  T153] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f797bf68e32
[    8.027692][  T153] RDX: 0000000000000020 RSI: 00007ffc7c3d5b60 RDI: 0000000000000009
[    8.027876][  T153] RBP: 00007ffc7c3d5b10 R08: 0000000000000000 R09: 0000000000000000
[    8.028069][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 000000007e572646
[    8.028252][  T153] R13: 0100000000000000 R14: 00005402b80d0120 R15: 0100000000000000
| [    8.029474][  T153] ---[ end trace 0000000000000000 ]---
| [    8.038333][  T153] ------------[ cut here ]------------
| [    8.038473][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rst_ipv6/153
| [    8.039258][  T153] Tainted: [W]=WARN
[    8.039353][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.039508][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.039666][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.040122][  T153] RSP: 0018:ffa0000000797220 EFLAGS: 00010286
[    8.040278][  T153] RAX: 00000000ffffffa6 RBX: ff1100000a13eac0 RCX: 1ff40000000f2e0a
[    8.040460][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a13eb78
[    8.040642][  T153] RBP: ff1100000251c000 R08: 1fe2200001427d70 R09: ff1100000bf9ae58
[    8.040825][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    8.041019][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000251cce1
[    8.041204][  T153] FS:  00007f797beea780(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    8.041419][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.041571][  T153] CR2: 00007f797b6e6cd4 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    8.041757][  T153] PKRU: 55555554
[    8.041849][  T153] Call Trace:
[    8.041946][  T153]  <TASK>
[    8.042014][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.042138][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.042230][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.042353][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.042477][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.042601][  T153]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.042724][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.042845][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.042976][  T153]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    8.043100][  T153]  netif_change_flags (net/core/dev.c:9820)
[    8.043225][  T153]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.043348][  T153]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.043473][  T153]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.043625][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.043748][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.043869][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.044045][  T153]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.044169][  T153]  ? __kernel_text_address (kernel/extable.c:79)
[    8.044293][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.044416][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.044538][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.044662][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.044785][  T153]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.044905][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.045034][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.045156][  T153]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.045280][  T153]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    8.045403][  T153]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.045525][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.045649][  T153]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.045772][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.045896][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.046029][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.046154][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.046276][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.046398][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.046523][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.046644][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.046765][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.046888][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.047026][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.047150][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.047273][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.047394][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.047516][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.047638][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.047761][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.047883][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.048014][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.048137][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.048261][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.048382][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.048506][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.048629][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.048750][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.048872][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.049006][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.049129][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.049254][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.049376][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.049505][  T153]  ? fput_close_sync (fs/file_table.c:615)
[    8.049627][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.049751][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.049873][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.050045][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.050167][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.050288][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.050410][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.050533][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.050655][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.050808][  T153] RIP: 0033:0x7f797bf68e32
[    8.050944][  T153] 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)
[    8.051382][  T153] RSP: 002b:00007ffc7c3d5ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.051567][  T153] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f797bf68e32
[    8.051752][  T153] RDX: 0000000000000020 RSI: 00007ffc7c3d5b60 RDI: 0000000000000009
[    8.051939][  T153] RBP: 00007ffc7c3d5b10 R08: 0000000000000000 R09: 0000000000000000
[    8.052123][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000559e0ff1
[    8.052306][  T153] R13: 0100000000000000 R14: 00000100b80d0120 R15: 0100000000000000
| [    8.053534][  T153] ---[ end trace 0000000000000000 ]---
| [    8.054697][   T37] ------------[ cut here ]------------
| [    8.054885][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    8.055452][   T37] Tainted: [W]=WARN
[    8.055538][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.055682][   T37] Workqueue: events_unbound linkwatch_event
[    8.055829][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.056027][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.056439][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    8.056583][   T37] RAX: 00000000ffffffa6 RBX: ff1100000a13f8c0 RCX: 1ff4000000053f02
[    8.056753][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a13f978
[    8.057021][   T37] RBP: ff1100000d481000 R08: 1fe2200001427f30 R09: ff11000001d90ba8
[    8.057208][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    8.057383][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.057560][   T37] FS:  0000000000000000(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    8.057762][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.057906][   T37] CR2: 00007f797b6e6cd4 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    8.058086][   T37] PKRU: 55555554
[    8.058173][   T37] Call Trace:
[    8.058258][   T37]  <TASK>
[    8.058327][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.058442][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.058559][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.058650][   T37]  netif_state_change (net/core/dev.c:1605)
[    8.058765][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    8.058910][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.059032][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.059148][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.059269][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.059383][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    8.059499][   T37]  process_one_work (kernel/workqueue.c:3314)
[    8.059622][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.059738][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.059858][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.059984][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.060099][   T37]  kthread (kernel/kthread.c:436)
[    8.060190][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.060333][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.060448][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.060563][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.060707][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.060827][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.060946][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.062053][   T37] ---[ end trace 0000000000000000 ]---
| [    8.804150][   T37] ------------[ cut here ]------------
| [    8.804342][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    8.804872][   T37] Tainted: [W]=WARN
[    8.804993][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.805138][   T37] Workqueue: events_unbound linkwatch_event
[    8.805287][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.805435][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.805847][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    8.806004][   T37] RAX: 00000000ffffffa6 RBX: ff11000008ddbc40 RCX: 1ff4000000053f02
[    8.806184][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008ddbcf8
[    8.806355][   T37] RBP: ff1100000251c000 R08: 1fe22000011bb7a0 R09: ff11000001d90ba8
[    8.806526][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    8.806696][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.806866][   T37] FS:  0000000000000000(0000) GS:ff1100009dd30000(0000) knlGS:0000000000000000
[    8.807084][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.807229][   T37] CR2: 00007f797b6e6cd4 CR3: 000000000bffa002 CR4: 0000000000771ef0
[    8.807400][   T37] PKRU: 55555554
[    8.807486][   T37] Call Trace:
[    8.807572][   T37]  <TASK>
[    8.807632][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.807748][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.807864][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.807957][   T37]  netif_state_change (net/core/dev.c:1605)
[    8.808077][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    8.808221][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.808337][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.808453][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.808570][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.808686][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    8.808802][   T37]  process_one_work (kernel/workqueue.c:3314)
[    8.808927][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.809049][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.809168][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.809286][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.809401][   T37]  kthread (kernel/kthread.c:436)
[    8.809488][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.809632][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.809748][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.809862][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.810014][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.810128][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.810243][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.811346][   T37] ---[ end trace 0000000000000000 ]---
| [    9.192816][   T69] ------------[ cut here ]------------
| [    9.193018][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.193633][   T69] Tainted: [W]=WARN
[    9.193765][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.193973][   T69] Workqueue: netns cleanup_net
[    9.194146][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.194344][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.194805][   T69] RSP: 0018:ffa00000004a7938 EFLAGS: 00010286
[    9.195015][   T69] RAX: 00000000ffffffa6 RBX: ff1100000b15c900 RCX: 1ff4000000094eed
[    9.195230][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b15c9b8
[    9.195445][   T69] RBP: ff1100000d434000 R08: 1fe220000162b938 R09: ff11000008ca51d0
[    9.195661][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.195881][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.196117][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.196361][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.196551][   T69] CR2: 00000000004013f0 CR3: 0000000012549001 CR4: 0000000000771ef0
[    9.196770][   T69] PKRU: 55555554
[    9.196903][   T69] Call Trace:
[    9.197055][   T69]  <TASK>
[    9.197161][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.197353][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.197539][   T69]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    9.197697][   T69]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    9.197860][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.198041][   T69]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    9.198199][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.198357][   T69]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.198516][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.198673][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.198851][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.199051][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.199231][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.199390][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.199546][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.199705][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.199865][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.200040][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.200201][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.200362][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.200519][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.200679][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.200836][   T69]  kthread (kernel/kthread.c:436)
[    9.200984][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.201170][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.201326][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.201484][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.201672][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.201829][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.202005][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.203403][   T69] ---[ end trace 0000000000000000 ]---
| [    9.215564][   T69] ------------[ cut here ]------------
| [    9.215728][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.216338][   T69] Tainted: [W]=WARN
[    9.216472][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.216665][   T69] Workqueue: netns cleanup_net
[    9.216834][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.217056][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.217535][   T69] RSP: 0018:ffa00000004a7748 EFLAGS: 00010286
[    9.217728][   T69] RAX: 00000000ffffffa6 RBX: ff1100000b15cac0 RCX: 1ff4000000094eaf
[    9.217976][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b15cb78
[    9.218200][   T69] RBP: ff1100000d481000 R08: 1fe220000162b970 R09: ff11000008ca51d0
[    9.218420][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[    9.218640][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000251c000
[    9.218861][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.219139][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.219333][   T69] CR2: 00005567dcd6c2b8 CR3: 000000000979e002 CR4: 0000000000771ef0
[    9.219555][   T69] PKRU: 55555554
[    9.219698][   T69] Call Trace:
[    9.219829][   T69]  <TASK>
[    9.220042][   T69]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.220262][   T69]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.220397][   T69]  netif_close_many (net/core/dev.c:1804)
[    9.220564][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.220725][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.220886][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.221068][   T69]  ? __dev_close_many (net/core/dev.c:1781)
[    9.221233][   T69]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.221426][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    9.221620][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.221794][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.222005][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.222170][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.222334][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    9.222527][   T69]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.222692][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.222858][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.223041][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.223210][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.223376][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.223537][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.223704][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.223869][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.224051][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.224216][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.224381][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.224546][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.224713][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.224876][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.225063][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.225231][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.225395][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.225561][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.225724][   T69]  kthread (kernel/kthread.c:436)
[    9.225859][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.226070][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.226234][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.226398][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.226590][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.226756][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.226933][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.228395][   T69] ---[ end trace 0000000000000000 ]---
| [    9.236886][   T69] ------------[ cut here ]------------
| [    9.237065][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.237651][   T69] Tainted: [W]=WARN
[    9.237784][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.237994][   T69] Workqueue: netns cleanup_net
[    9.238163][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.238361][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.238825][   T69] RSP: 0018:ffa00000004a7748 EFLAGS: 00010286
[    9.239037][   T69] RAX: 00000000ffffffa6 RBX: ff1100000a2258c0 RCX: 1ff4000000094eaf
[    9.239257][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a225978
[    9.239480][   T69] RBP: ff1100000251c000 R08: 1fe2200001444b30 R09: ff11000008ca51d0
[    9.239699][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[    9.239931][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000004a77e0
[    9.240155][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.240407][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.240599][   T69] CR2: 00005567dcd6c2b8 CR3: 000000000979e002 CR4: 0000000000771ef0
[    9.240818][   T69] PKRU: 55555554
[    9.240968][   T69] Call Trace:
[    9.241101][   T69]  <TASK>
[    9.241206][   T69]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.241369][   T69]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.241534][   T69]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.241669][   T69]  netif_close_many (net/core/dev.c:1804)
[    9.241833][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.242014][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.242177][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.242339][   T69]  ? __dev_close_many (net/core/dev.c:1781)
[    9.242503][   T69]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.242698][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    9.242891][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.243073][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.243263][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.243425][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.243586][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    9.243778][   T69]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.243958][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.244131][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.244294][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.244459][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.244623][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.244784][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.244968][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.245136][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.245299][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.245463][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.245625][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.245790][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.245975][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.246139][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.246304][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.246473][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.246635][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.246799][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.246980][   T69]  kthread (kernel/kthread.c:436)
[    9.247116][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.247307][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.247470][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.247638][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.247829][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.248011][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.248175][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.249617][   T69] ---[ end trace 0000000000000000 ]---
| [    9.250994][   T69] ------------[ cut here ]------------
| [    9.251144][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.251710][   T69] Tainted: [W]=WARN
[    9.251843][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.252085][   T69] Workqueue: netns cleanup_net
[    9.252246][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.252437][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.252882][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    9.253094][   T69] RAX: 00000000ffffffa6 RBX: ff110000051af1c0 RCX: 1ff4000000094ed5
[    9.253318][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000051af278
[    9.253536][   T69] RBP: ff1100000d481000 R08: 1fe2200000a35e50 R09: ff11000008ca51d0
[    9.253751][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.253987][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.254209][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.254454][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.254645][   T69] CR2: 00005567dcd6c2b8 CR3: 000000000979e002 CR4: 0000000000771ef0
[    9.254868][   T69] PKRU: 55555554
[    9.255015][   T69] Call Trace:
[    9.255146][   T69]  <TASK>
[    9.255252][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.255446][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.255633][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.255792][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.255969][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    9.256163][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.256322][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.256480][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.256640][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.256799][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.256971][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.257133][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.257293][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.257450][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.257609][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.257767][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.257938][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.258107][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.258266][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.258430][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.258592][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.258749][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.258908][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.259086][   T69]  kthread (kernel/kthread.c:436)
[    9.259216][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.259400][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.259559][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.259719][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.259904][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.260082][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.260244][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.261645][   T69] ---[ end trace 0000000000000000 ]---
| [    9.262796][   T69] ------------[ cut here ]------------
| [    9.263573][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.264243][   T69] Tainted: [W]=WARN
[    9.264418][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.264645][   T69] Workqueue: netns cleanup_net
[    9.264851][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.265107][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.265598][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    9.265838][   T69] RAX: 00000000ffffffa6 RBX: ff110000051af8c0 RCX: 1ff4000000094ed5
[    9.266113][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000051af978
[    9.266368][   T69] RBP: ff1100000251c000 R08: 1fe2200000a35f30 R09: ff11000008ca51d0
[    9.266622][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.266880][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.267157][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.267441][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.267671][   T69] CR2: 00005567dcd6c2b8 CR3: 000000000979e002 CR4: 0000000000771ef0
[    9.267944][   T69] PKRU: 55555554
[    9.268120][   T69] Call Trace:
[    9.268290][   T69]  <TASK>
[    9.268436][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.268667][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.268895][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.269114][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.269313][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    9.269546][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.269747][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.269968][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.270172][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.270481][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.270764][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.271078][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.271311][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.271493][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.271651][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.271810][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.271992][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.272154][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.272311][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.272475][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.272636][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.272794][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.272973][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.273129][   T69]  kthread (kernel/kthread.c:436)
[    9.273259][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.273443][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.273602][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.273762][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.273967][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.274127][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.274285][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.275684][   T69] ---[ end trace 0000000000000000 ]---
| [    9.276804][   T69] ------------[ cut here ]------------
| [    9.277352][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.278028][   T69] Tainted: [W]=WARN
[    9.278203][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.278437][   T69] Workqueue: netns cleanup_net
[    9.278645][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.278882][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.279393][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    9.279622][   T69] RAX: 00000000ffffffa6 RBX: ff1100000c11a040 RCX: 1ff4000000094ed5
[    9.279877][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c11a0f8
[    9.280152][   T69] RBP: ff1100000d4c4000 R08: 1fe2200001823420 R09: ff11000008ca51d0
[    9.280411][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.280666][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.280936][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.281226][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.281454][   T69] CR2: 00005567dcd6c2b8 CR3: 000000000979e002 CR4: 0000000000771ef0
[    9.281712][   T69] PKRU: 55555554
[    9.281881][   T69] Call Trace:
[    9.282072][   T69]  <TASK>
[    9.282254][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.282494][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.282676][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.282835][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.283012][   T69]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    9.283205][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.283364][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.283523][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.283684][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.283845][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.284025][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.284189][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.284349][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.284506][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.284666][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.284824][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.284999][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.285161][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.285319][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.285485][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.285647][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.285805][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.285983][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.286142][   T69]  kthread (kernel/kthread.c:436)
[    9.286272][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.286457][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.286618][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.286777][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.286982][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.287143][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.287302][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.288707][   T69] ---[ end trace 0000000000000000 ]---
| [    9.322645][   T69] ------------[ cut here ]------------
| [    9.322825][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.323406][   T69] Tainted: [W]=WARN
[    9.323536][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.323724][   T69] Workqueue: netns cleanup_net
[    9.323887][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.324096][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.324540][   T69] RSP: 0018:ffa00000004a7938 EFLAGS: 00010286
[    9.324724][   T69] RAX: 00000000ffffffa6 RBX: ff1100000c11ae40 RCX: 1ff4000000094eed
[    9.324999][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c11aef8
[    9.325209][   T69] RBP: ff1100000d431000 R08: 1fe22000018235e0 R09: ff11000008ca51d0
[    9.325419][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.325633][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.325845][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.326105][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.326289][   T69] CR2: 00005567dcd6c2b8 CR3: 000000000979e002 CR4: 0000000000771ef0
[    9.326502][   T69] PKRU: 55555554
[    9.326629][   T69] Call Trace:
[    9.326755][   T69]  <TASK>
[    9.326856][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.327061][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.327243][   T69]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    9.327400][   T69]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    9.327557][   T69]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    9.327717][   T69]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    9.327874][   T69]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.328051][   T69]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.328209][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.328363][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.328521][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.328678][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.328836][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.329012][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.329168][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.329325][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.329485][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.329642][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.329802][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.329985][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.330145][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.330302][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.330458][   T69]  kthread (kernel/kthread.c:436)
[    9.330587][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.330770][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.330940][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.331106][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.331294][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.331451][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.331607][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.333008][   T69] ---[ end trace 0000000000000000 ]---
| [    9.345908][   T69] ------------[ cut here ]------------
| [    9.346105][   T69] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/69
| [    9.346692][   T69] Tainted: [W]=WARN
[    9.346820][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.347441][   T69] Workqueue: netns cleanup_net
[    9.347672][   T69] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.347981][   T69] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.348430][   T69] RSP: 0018:ffa00000004a7878 EFLAGS: 00010286
[    9.348617][   T69] RAX: 00000000ffffffa6 RBX: ff1100000c11b540 RCX: 1ff4000000094ed5
[    9.348829][   T69] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c11b5f8
[    9.349064][   T69] RBP: ff1100000d544000 R08: 1fe22000018236c0 R09: ff11000008ca51d0
[    9.349276][   T69] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.349488][   T69] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.349702][   T69] FS:  0000000000000000(0000) GS:ff1100009ddb0000(0000) knlGS:0000000000000000
[    9.349958][   T69] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.350152][   T69] CR2: 00005567dcd6c2b8 CR3: 000000000979e002 CR4: 0000000000771ef0
[    9.350364][   T69] PKRU: 55555554
[    9.350493][   T69] Call Trace:
[    9.350621][   T69]  <TASK>
[    9.350724][   T69]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.350913][   T69]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.351123][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.351283][   T69]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.351444][   T69]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    9.351604][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    9.351764][   T69]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.351936][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    9.352099][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.352264][   T69]  cleanup_net (net/core/net_namespace.c:702)
[    9.352424][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[    9.352580][   T69]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    9.352740][   T69]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.352898][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.353075][   T69]  process_one_work (kernel/workqueue.c:3314)
[    9.353236][   T69]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.353397][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.353559][   T69]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.353720][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.353879][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.354058][   T69]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.354219][   T69]  kthread (kernel/kthread.c:436)
[    9.354349][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.354535][   T69]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.354697][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.354856][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.355061][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.355220][   T69]  ? kthread_affine_node (kernel/kthread.c:378)


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