======================================
| xx__-> [    9.099562][  T199] ------------[ cut here ]------------
| [    9.099818][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.100043][  T199] Modules linked in:
| [    9.100435][  T199] Tainted: [W]=WARN
[    9.100534][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.100704][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.100875][  T199] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.101361][  T199] RSP: 0018:ffa0000000967a80 EFLAGS: 00010286
[    9.101519][  T199] RAX: 00000000ffffffa6 RBX: ff1100000f0e6c80 RCX: 1ff400000012cf16
[    9.101709][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e6d3c
[    9.101901][  T199] RBP: ff11000008e91000 R08: 1fe2200001e1cda9 R09: ff1100000e890b80
[    9.102086][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.102271][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008e91000
[    9.102461][  T199] FS:  00007f675d5e7840(0000) GS:ff110000c3c47000(0000) knlGS:0000000000000000
[    9.102686][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.102845][  T199] CR2: 0000000000479648 CR3: 00000000100d7003 CR4: 0000000000771ef0
[    9.103033][  T199] PKRU: 55555554
[    9.103128][  T199] Call Trace:
[    9.103223][  T199]  <TASK>
[    9.103290][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.103416][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.103543][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.103641][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.103774][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.103932][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.104059][  T199]  register_netdev (net/core/dev.c:11552)
[    9.104186][  T199]  loopback_net_init (drivers/net/loopback.c:218)
[    9.104312][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.104409][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.104502][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.104626][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.104760][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.104888][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.105015][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.105144][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.105269][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.105396][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.105521][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.105647][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.105779][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.105907][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.106030][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.106155][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.106279][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.106405][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.106530][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.106692][  T199] RIP: 0033:0x7f675d8a9bcb
[    9.106829][  T199] 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
[    9.107275][  T199] RSP: 002b:00007ffcca8ed728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.107464][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f675d8a9bcb
[    9.107655][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.107845][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.108033][  T199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcca8ef950
[    9.108220][  T199] R13: 0000000000000001 R14: 00007f675d5e76f8 R15: 00007ffcca8f0863
| [    9.112498][  T199] ------------[ cut here ]------------
| [    9.112634][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.112856][  T199] Modules linked in:
| [    9.113206][  T199] Tainted: [W]=WARN
[    9.113301][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.113456][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.113619][  T199] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.114070][  T199] RSP: 0018:ffa0000000967918 EFLAGS: 00010286
[    9.114228][  T199] RAX: 00000000ffffffa6 RBX: ff1100000580ce40 RCX: 1ff400000012cee9
[    9.114414][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000580cefc
[    9.114600][  T199] RBP: ff11000008679000 R08: 1fe2200000b019e1 R09: ff1100000e890b80
[    9.114795][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.114980][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008679000
[    9.115166][  T199] FS:  00007f675d5e7840(0000) GS:ff110000c3c47000(0000) knlGS:0000000000000000
[    9.115385][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.115541][  T199] CR2: 0000000000479648 CR3: 00000000100d7003 CR4: 0000000000771ef0
[    9.115732][  T199] PKRU: 55555554
[    9.115831][  T199] Call Trace:
[    9.115923][  T199]  <TASK>
[    9.115987][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.116111][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.116236][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.116329][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.116455][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.116608][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.116742][  T199]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.116867][  T199]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.116991][  T199]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.117116][  T199]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.117242][  T199]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.117368][  T199]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.117493][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.117588][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.117687][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.117816][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.117940][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.118066][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.118192][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.118318][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.118442][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.118566][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.118696][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.118824][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.118950][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.119079][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.119204][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.119327][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.119451][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.119574][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.119701][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.119859][  T199] RIP: 0033:0x7f675d8a9bcb
[    9.119988][  T199] 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
[    9.120428][  T199] RSP: 002b:00007ffcca8ed728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.120615][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f675d8a9bcb
[    9.120810][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.120995][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.121180][  T199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcca8ef950
[    9.121363][  T199] R13: 0000000000000001 R14: 00007f675d5e76f8 R15: 00007ffcca8f0863
| [    9.125071][  T199] ------------[ cut here ]------------
| [    9.125204][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.125426][  T199] Modules linked in:
| [    9.126511][  T199] Tainted: [W]=WARN
[    9.126608][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.126845][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.127010][  T199] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.127458][  T199] RSP: 0018:ffa00000009678f8 EFLAGS: 00010286
[    9.127615][  T199] RAX: 00000000ffffffa6 RBX: ff1100000ebf9380 RCX: 1ff400000012cee5
[    9.127860][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebf943c
[    9.128048][  T199] RBP: ff11000008bc9000 R08: 1fe2200001d7f289 R09: ff1100000e890b80
[    9.128237][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.128424][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bc9000
[    9.128612][  T199] FS:  00007f675d5e7840(0000) GS:ff110000c3c47000(0000) knlGS:0000000000000000
[    9.128852][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.129011][  T199] CR2: 0000000000479648 CR3: 00000000100d7003 CR4: 0000000000771ef0
[    9.129200][  T199] PKRU: 55555554
[    9.129297][  T199] Call Trace:
[    9.129391][  T199]  <TASK>
[    9.129457][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.129583][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.129712][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.129812][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.129939][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.130095][  T199]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.130224][  T199]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.130352][  T199]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.130567][  T199]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.130699][  T199]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.130830][  T199]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.130958][  T199]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.131169][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.131297][  T199]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.131423][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.131519][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.131614][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.131832][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.131958][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.132085][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.132211][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.132421][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.132547][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.132676][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.132807][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.133017][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.133144][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.133272][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.133398][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.133606][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.133733][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.133866][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.133992][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.134232][  T199] RIP: 0033:0x7f675d8a9bcb
[    9.134363][  T199] 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
[    9.134907][  T199] RSP: 002b:00007ffcca8ed728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.135096][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f675d8a9bcb
[    9.135371][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.135558][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.135752][  T199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcca8ef950
[    9.136025][  T199] R13: 0000000000000001 R14: 00007f675d5e76f8 R15: 00007ffcca8f0863
| [    9.142169][  T199] ------------[ cut here ]------------
| [    9.142300][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.142515][  T199] Modules linked in:
| [    9.142872][  T199] Tainted: [W]=WARN
[    9.142965][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.143119][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.143283][  T199] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.143725][  T199] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[    9.143885][  T199] RAX: 00000000ffffffa6 RBX: ff1100000f0e7000 RCX: 1ff400000012cf15
[    9.144073][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e70bc
[    9.144257][  T199] RBP: ff1100000f4a1000 R08: 1fe2200001e1ce19 R09: ff1100000e890b80
[    9.144440][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.144623][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f4a1000
[    9.144818][  T199] FS:  00007f675d5e7840(0000) GS:ff110000c3c47000(0000) knlGS:0000000000000000
[    9.145034][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.145189][  T199] CR2: 0000000000479648 CR3: 00000000100d7003 CR4: 0000000000771ef0
[    9.145374][  T199] PKRU: 55555554
[    9.145466][  T199] Call Trace:
[    9.145558][  T199]  <TASK>
[    9.145623][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.145759][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.145883][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.145977][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.146102][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.146256][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.146382][  T199]  register_netdev (net/core/dev.c:11552)
[    9.146507][  T199]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.146636][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.146732][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.146830][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.146953][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.147076][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.147202][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.147330][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.147459][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.147584][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.147712][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.148320][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.148444][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.148571][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.148700][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.148877][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.149053][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.149177][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.149300][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.149423][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.149578][  T199] RIP: 0033:0x7f675d8a9bcb
[    9.149709][  T199] 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
[    9.150206][  T199] RSP: 002b:00007ffcca8ed728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.150393][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f675d8a9bcb
[    9.150577][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.150817][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.151001][  T199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcca8ef950
[    9.151185][  T199] R13: 0000000000000001 R14: 00007f675d5e76f8 R15: 00007ffcca8f0863
| [    9.155451][  T199] ------------[ cut here ]------------
| [    9.155589][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.155821][  T199] Modules linked in:
| [    9.156171][  T199] Tainted: [W]=WARN
[    9.156266][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.156421][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.156583][  T199] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.157033][  T199] RSP: 0018:ffa0000000967a68 EFLAGS: 00010286
[    9.157189][  T199] RAX: 00000000ffffffa6 RBX: ff1100000c6cd700 RCX: 1ff400000012cf13
[    9.157374][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6cd7bc
[    9.157559][  T199] RBP: ff1100000f4dc000 R08: 1fe22000018d9af9 R09: ff1100000e890b80
[    9.157752][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.157937][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f4dc000
[    9.158123][  T199] FS:  00007f675d5e7840(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.158342][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.158500][  T199] CR2: 00007f5b0c93f000 CR3: 00000000100d7006 CR4: 0000000000771ef0
[    9.158690][  T199] PKRU: 55555554
[    9.158789][  T199] Call Trace:
[    9.158882][  T199]  <TASK>
[    9.158946][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.159071][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.159197][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.159292][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.159420][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.159578][  T199]  register_netdev (net/core/dev.c:11552)
[    9.159706][  T199]  sit_init_net (net/ipv6/sit.c:1860)
[    9.159839][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.159937][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.160032][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.160156][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.160283][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.160409][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.160535][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.160666][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.160798][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.160922][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.161046][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.161171][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.161296][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.161421][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.161543][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.161670][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.161799][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.161923][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.162047][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.162201][  T199] RIP: 0033:0x7f675d8a9bcb
[    9.162331][  T199] 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
[    9.162781][  T199] RSP: 002b:00007ffcca8ed728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.162969][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f675d8a9bcb
[    9.163153][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.163339][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.163522][  T199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcca8ef950
[    9.163710][  T199] R13: 0000000000000001 R14: 00007f675d5e76f8 R15: 00007ffcca8f0863
| [    9.168314][  T199] ------------[ cut here ]------------
| [    9.168446][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/199
| [    9.168669][  T199] Modules linked in:
| [    9.169054][  T199] Tainted: [W]=WARN
[    9.169148][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.169303][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.169466][  T199] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.169917][  T199] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[    9.170074][  T199] RAX: 00000000ffffffa6 RBX: ff110000020dd1c0 RCX: 1ff400000012cf15
[    9.170260][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000020dd27c
[    9.170445][  T199] RBP: ff1100000f929000 R08: 1fe220000041ba51 R09: ff1100000e890b80
[    9.170636][  T199] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.170826][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f929000
[    9.171012][  T199] FS:  00007f675d5e7840(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.171231][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.171387][  T199] CR2: 00007f5b0c93f000 CR3: 00000000100d7006 CR4: 0000000000771ef0
[    9.171574][  T199] PKRU: 55555554
[    9.171669][  T199] Call Trace:
[    9.171768][  T199]  <TASK>
[    9.171832][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.171957][  T199]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.172081][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.172175][  T199]  register_netdevice (net/core/dev.c:11488)
[    9.172302][  T199]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.172456][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.172583][  T199]  register_netdev (net/core/dev.c:11552)
[    9.172712][  T199]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.172843][  T199]  ops_init (net/core/net_namespace.c:137)
[    9.172938][  T199]  setup_net (net/core/net_namespace.c:446)
[    9.173033][  T199]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.173157][  T199]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.173281][  T199]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.173408][  T199]  copy_net_ns (net/core/net_namespace.c:579)
[    9.173533][  T199]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.173665][  T199]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.173795][  T199]  ksys_unshare (kernel/fork.c:3243)
[    9.173920][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.174044][  T199]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.174167][  T199]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.174293][  T199]  ? __ia32_sys_open (fs/open.c:1374)
[    9.174420][  T199]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.174544][  T199]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.174673][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.174803][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.174927][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.175052][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.175206][  T199] RIP: 0033:0x7f675d8a9bcb
[    9.175335][  T199] 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
[    9.175792][  T199] RSP: 002b:00007ffcca8ed728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.175981][  T199] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f675d8a9bcb
[    9.176166][  T199] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.176356][  T199] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.176541][  T199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcca8ef950
[    9.176728][  T199] R13: 0000000000000001 R14: 00007f675d5e76f8 R15: 00007ffcca8f0863
| [    9.203391][  T200] ------------[ cut here ]------------
| [    9.203530][  T200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/200
| [    9.204334][  T200] Modules linked in:
| [    9.204687][  T200] Tainted: [W]=WARN
[    9.204850][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.205010][  T200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.205170][  T200] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.205603][  T200] RSP: 0018:ffa0000000977020 EFLAGS: 00010286
[    9.205769][  T200] RAX: 00000000ffffffa6 RBX: ff1100000f0e0580 RCX: 1ff400000012edca
[    9.205952][  T200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e063c
[    9.206133][  T200] RBP: ff11000008e91000 R08: 1fe2200001e1c0c9 R09: ff1100000e892e58
[    9.206315][  T200] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    9.206496][  T200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.206684][  T200] FS:  00007f46398e5840(0000) GS:ff110000c3b47000(0000) knlGS:0000000000000000
[    9.206903][  T200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.207058][  T200] CR2: 0000000020bbe988 CR3: 0000000009951003 CR4: 0000000000771ef0
[    9.207241][  T200] PKRU: 55555554
[    9.207332][  T200] Call Trace:
[    9.207424][  T200]  <TASK>
[    9.207487][  T200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.207610][  T200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.207708][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.207837][  T200]  __dev_notify_flags (net/core/dev.c:9787)
[    9.207961][  T200]  ? netif_change_name (net/core/dev.c:1495)
[    9.208083][  T200]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.208206][  T200]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.208328][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.208451][  T200]  ? 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))
[    9.208576][  T200]  netif_change_flags (net/core/dev.c:9820)
[    9.208702][  T200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.208831][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.208956][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.209085][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.209239][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.209361][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.209485][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.209606][  T200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.209733][  T200]  ? __kernel_text_address (kernel/extable.c:79)
[    9.209862][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.209987][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.210109][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.210233][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.210356][  T200]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.210478][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.210599][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.210726][  T200]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.210914][  T200]  ? __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)
[    9.211039][  T200]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.211163][  T200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.211286][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.211411][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.211537][  T200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.211664][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.211839][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.211963][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.212086][  T200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.212207][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.212331][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.212454][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.212576][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.212703][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.212896][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.213019][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.213141][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.213263][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.213384][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.213509][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.213635][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.213904][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.214027][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.214152][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.214276][  T200]  ? 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))
[    9.214397][  T200]  ? 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))
[    9.214522][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.214651][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.214910][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.215033][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.215158][  T200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.215282][  T200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.215406][  T200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.215530][  T200]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.215657][  T200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.215874][  T200]  ? move_addr_to_kernel (net/socket.c:258)
[    9.215997][  T200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.216121][  T200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.216245][  T200]  ___sys_sendmsg (net/socket.c:2752)
[    9.216367][  T200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.216520][  T200]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.216657][  T200]  __sys_sendmsg (net/socket.c:2784)
[    9.216813][  T200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.216935][  T200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.217088][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.217213][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.217337][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.217460][  T200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.217583][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.217709][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.217870][  T200] RIP: 0033:0x7f4639b1f08e
[    9.217998][  T200] 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
[    9.218437][  T200] RSP: 002b:00007ffd5780d3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.218621][  T200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4639b1f08e
[    9.218813][  T200] RDX: 0000000000000000 RSI: 00007ffd5780d460 RDI: 0000000000000005
[    9.218998][  T200] RBP: 00007ffd5780d3c0 R08: 0000000000000000 R09: 0000000000000000
[    9.219179][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ecca
[    9.219361][  T200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5780db30
| [    9.339164][  T204] ------------[ cut here ]------------
| [    9.339335][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.339556][  T204] Modules linked in:
| [    9.339930][  T204] Tainted: [W]=WARN
[    9.340025][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.340184][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.340348][  T204] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.340803][  T204] RSP: 0018:ffa00000009b7a80 EFLAGS: 00010286
[    9.340963][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c6cae40 RCX: 1ff4000000136f16
[    9.341151][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6caefc
[    9.341337][  T204] RBP: ff1100000f4d1000 R08: 1fe22000018d95e1 R09: ff11000002582e80
[    9.341523][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.341711][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f4d1000
[    9.342382][  T204] FS:  00007f7e3bda7840(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.342602][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.342770][  T204] CR2: 00007f7e3bfb17d0 CR3: 000000000fa6b001 CR4: 0000000000771ef0
[    9.342958][  T204] PKRU: 55555554
[    9.343052][  T204] Call Trace:
[    9.343147][  T204]  <TASK>
[    9.343213][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.343339][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.343466][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.343563][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.343695][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.343859][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.343987][  T204]  register_netdev (net/core/dev.c:11552)
[    9.344117][  T204]  loopback_net_init (drivers/net/loopback.c:218)
[    9.344244][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.344341][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.344438][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.344561][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.344691][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.344823][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.344949][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.345076][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.345202][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.345328][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.345454][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.345578][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.345709][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.345842][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.345967][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.346093][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.346216][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.346341][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.346465][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.346619][  T204] RIP: 0033:0x7f7e3c069bcb
[    9.346760][  T204] 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
[    9.347208][  T204] RSP: 002b:00007ffd1ed26568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.347395][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e3c069bcb
[    9.347582][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.347777][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.347964][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1ed28790
[    9.348149][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1ed2a861
| [    9.352245][  T204] ------------[ cut here ]------------
| [    9.352383][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.352596][  T204] Modules linked in:
| [    9.352969][  T204] Tainted: [W]=WARN
[    9.353063][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.353218][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.353379][  T204] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.353829][  T204] RSP: 0018:ffa00000009b7918 EFLAGS: 00010286
[    9.353985][  T204] RAX: 00000000ffffffa6 RBX: ff1100000f0e11c0 RCX: 1ff4000000136ee9
[    9.354168][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e127c
[    9.354355][  T204] RBP: ff11000009c09000 R08: 1fe2200001e1c251 R09: ff11000002582e80
[    9.354540][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.354728][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c09000
[    9.354919][  T204] FS:  00007f7e3bda7840(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.355135][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.355293][  T204] CR2: 00007f7e3bfb17d0 CR3: 000000000fa6b001 CR4: 0000000000771ef0
[    9.355479][  T204] PKRU: 55555554
[    9.355573][  T204] Call Trace:
[    9.355669][  T204]  <TASK>
[    9.355734][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.355864][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.355988][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.356084][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.356211][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.356367][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.356491][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.356616][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.356748][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.356873][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.357001][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.357127][  T204]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.357253][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.357349][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.357443][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.357566][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.357693][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.357828][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.357954][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.358080][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.358204][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.358328][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.358452][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.358577][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.358708][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.358839][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.358964][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.359174][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.359296][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.359420][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.359546][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.359791][  T204] RIP: 0033:0x7f7e3c069bcb
[    9.359923][  T204] 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
[    9.360448][  T204] RSP: 002b:00007ffd1ed26568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.360640][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e3c069bcb
[    9.360917][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.361102][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.361286][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1ed28790
[    9.361555][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1ed2a861
| [    9.365958][  T204] ------------[ cut here ]------------
| [    9.366171][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/204
| [    9.366388][  T204] Modules linked in:
| [    9.367333][  T204] Tainted: [W]=WARN
[    9.367431][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.367586][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.367810][  T204] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.368258][  T204] RSP: 0018:ffa00000009b78f8 EFLAGS: 00010286
[    9.368416][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c4ab540 RCX: 1ff4000000136ee5
[    9.368602][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4ab5fc
[    9.368849][  T204] RBP: ff1100000f1e1000 R08: 1fe22000018956c1 R09: ff11000002582e80
[    9.369036][  T204] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.369222][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1e1000
[    9.369409][  T204] FS:  00007f7e3bda7840(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.369683][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.369895][  T204] CR2: 00007f7e3bfb17d0 CR3: 000000000fa6b001 CR4: 0000000000771ef0
[    9.370083][  T204] PKRU: 55555554
[    9.370177][  T204] Call Trace:
[    9.370270][  T204]  <TASK>
[    9.370335][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.370462][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.370587][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.370691][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.370871][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.371028][  T204]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.371155][  T204]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.371281][  T204]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.371407][  T204]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.371533][  T204]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.371667][  T204]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.371848][  T204]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.371974][  T204]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.372102][  T204]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.372228][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.372325][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.372420][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.372544][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.372681][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.372862][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.372989][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.373117][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.373243][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.373367][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.373579][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.373709][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.373888][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.374015][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.374139][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.374264][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.374388][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.374600][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.374732][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.374944][  T204] RIP: 0033:0x7f7e3c069bcb
[    9.375076][  T204] 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
[    9.375612][  T204] RSP: 002b:00007ffd1ed26568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.375861][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e3c069bcb
[    9.376049][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.376235][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.376508][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1ed28790
[    9.376705][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1ed2a861
| [    9.387262][  T204] ------------[ cut here ]------------
| [    9.387440][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.387717][  T204] Modules linked in:
| [    9.388179][  T204] Tainted: [W]=WARN
[    9.388318][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.388519][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.388749][  T204] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.389238][  T204] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.389442][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c6ca040 RCX: 1ff4000000136f15
[    9.389683][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6ca0fc
[    9.389928][  T204] RBP: ff1100000f439000 R08: 1fe22000018d9421 R09: ff11000002582e80
[    9.390162][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.390393][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f439000
[    9.390635][  T204] FS:  00007f7e3bda7840(0000) GS:ff110000c3bc7000(0000) knlGS:0000000000000000
[    9.391003][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.391247][  T204] CR2: 000055de4e9b9d5c CR3: 000000000fa6b004 CR4: 0000000000771ef0
[    9.391482][  T204] PKRU: 55555554
[    9.391621][  T204] Call Trace:
[    9.391780][  T204]  <TASK>
[    9.391890][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.392062][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.392233][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.392379][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.392551][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.392773][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.392947][  T204]  register_netdev (net/core/dev.c:11552)
[    9.393119][  T204]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.393290][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.393432][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.393575][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.393766][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.393937][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.394107][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.394279][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.394451][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.394622][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.394815][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.394985][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.395156][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.395329][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.395502][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.395675][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.395883][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.396053][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.396224][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.396440][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.396652][  T204] RIP: 0033:0x7f7e3c069bcb
[    9.396840][  T204] 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
[    9.397326][  T204] RSP: 002b:00007ffd1ed26568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.397557][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e3c069bcb
[    9.397806][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.398034][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.398265][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1ed28790
[    9.398494][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1ed2a861
| [    9.403063][  T204] ------------[ cut here ]------------
| [    9.403233][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.403496][  T204] Modules linked in:
| [    9.403956][  T204] Tainted: [W]=WARN
[    9.404096][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.404301][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.404510][  T204] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.405018][  T204] RSP: 0018:ffa00000009b7a68 EFLAGS: 00010286
[    9.405223][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c6cd1c0 RCX: 1ff4000000136f13
[    9.405456][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6cd27c
[    9.405696][  T204] RBP: ff11000001ecc000 R08: 1fe22000018d9a51 R09: ff11000002582e80
[    9.405938][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.406169][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001ecc000
[    9.406406][  T204] FS:  00007f7e3bda7840(0000) GS:ff110000c3bc7000(0000) knlGS:0000000000000000
[    9.406675][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.406891][  T204] CR2: 000055de4e9b9d5c CR3: 000000000fa6b004 CR4: 0000000000771ef0
[    9.407124][  T204] PKRU: 55555554
[    9.407263][  T204] Call Trace:
[    9.407403][  T204]  <TASK>
[    9.407512][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.407689][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.407871][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.408012][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.408184][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.408387][  T204]  register_netdev (net/core/dev.c:11552)
[    9.408556][  T204]  sit_init_net (net/ipv6/sit.c:1860)
[    9.408752][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.408894][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.409033][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.409201][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.409372][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.409545][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.409728][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.409917][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.410087][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.410258][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.410427][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.410597][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.410784][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.410958][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.411131][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.411300][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.411472][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.411649][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.411834][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.412034][  T204] RIP: 0033:0x7f7e3c069bcb
[    9.412211][  T204] 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
[    9.412706][  T204] RSP: 002b:00007ffd1ed26568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.412951][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e3c069bcb
[    9.413183][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.413415][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.413650][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1ed28790
[    9.413895][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1ed2a861
| [    9.418947][  T204] ------------[ cut here ]------------
| [    9.419115][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/204
| [    9.419457][  T204] Modules linked in:
| [    9.419920][  T204] Tainted: [W]=WARN
[    9.420060][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.420346][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.420555][  T204] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.421152][  T204] RSP: 0018:ffa00000009b7a78 EFLAGS: 00010286
[    9.421357][  T204] RAX: 00000000ffffffa6 RBX: ff1100000978f1c0 RCX: 1ff4000000136f15
[    9.421683][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000978f27c
[    9.421926][  T204] RBP: ff1100000eb59000 R08: 1fe22000012f1e51 R09: ff11000002582e80
[    9.422159][  T204] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.422471][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb59000
[    9.422713][  T204] FS:  00007f7e3bda7840(0000) GS:ff110000c3bc7000(0000) knlGS:0000000000000000
[    9.423074][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.423276][  T204] CR2: 000055de4e9b9d5c CR3: 000000000fa6b004 CR4: 0000000000771ef0
[    9.423512][  T204] PKRU: 55555554
[    9.423658][  T204] Call Trace:
[    9.423893][  T204]  <TASK>
[    9.424004][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.424175][  T204]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.424345][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.424486][  T204]  register_netdevice (net/core/dev.c:11488)
[    9.424764][  T204]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.424962][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.425134][  T204]  register_netdev (net/core/dev.c:11552)
[    9.425386][  T204]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.425555][  T204]  ops_init (net/core/net_namespace.c:137)
[    9.425703][  T204]  setup_net (net/core/net_namespace.c:446)
[    9.425852][  T204]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.426024][  T204]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.426279][  T204]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.426450][  T204]  copy_net_ns (net/core/net_namespace.c:579)
[    9.426622][  T204]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.426814][  T204]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.427065][  T204]  ksys_unshare (kernel/fork.c:3243)
[    9.427235][  T204]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.427409][  T204]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.427577][  T204]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.427854][  T204]  ? __ia32_sys_open (fs/open.c:1374)
[    9.428028][  T204]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.428196][  T204]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.428364][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.428617][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.428808][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.428980][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.429178][  T204] RIP: 0033:0x7f7e3c069bcb
[    9.429440][  T204] 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
[    9.430027][  T204] RSP: 002b:00007ffd1ed26568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.430260][  T204] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e3c069bcb
[    9.430488][  T204] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.430818][  T204] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.431052][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1ed28790
[    9.431281][  T204] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1ed2a861
| [    9.463709][  T205] ------------[ cut here ]------------
| [    9.463869][  T205] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/205
| [    9.464091][  T205] Modules linked in:
| [    9.464449][  T205] Tainted: [W]=WARN
[    9.464544][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.464707][  T205] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.465289][  T205] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.465779][  T205] RSP: 0018:ffa00000009c7020 EFLAGS: 00010286
[    9.465939][  T205] RAX: 00000000ffffffa6 RBX: ff1100000f0e6e40 RCX: 1ff4000000138dca
[    9.466127][  T205] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e6efc
[    9.466314][  T205] RBP: ff1100000f4d1000 R08: 1fe2200001e1cde1 R09: ff11000002585158
[    9.466501][  T205] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.466693][  T205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.466889][  T205] FS:  00007f6a98968840(0000) GS:ff110000c3c47000(0000) knlGS:0000000000000000
[    9.467110][  T205] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.467267][  T205] CR2: 00000000365fd988 CR3: 000000000d668005 CR4: 0000000000771ef0
[    9.467477][  T205] PKRU: 55555554
[    9.467571][  T205] Call Trace:
[    9.467672][  T205]  <TASK>
[    9.467743][  T205]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.467873][  T205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.467969][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.468097][  T205]  __dev_notify_flags (net/core/dev.c:9787)
[    9.468225][  T205]  ? netif_change_name (net/core/dev.c:1495)
[    9.468352][  T205]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.468479][  T205]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.468605][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.468733][  T205]  ? 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))
[    9.468870][  T205]  netif_change_flags (net/core/dev.c:9820)
[    9.468998][  T205]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.469124][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.469252][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.469396][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.469556][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.469688][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.469819][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.469945][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.470074][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[    9.470202][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.470331][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.470457][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.470586][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.470720][  T205]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.470853][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.470978][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.471105][  T205]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.471232][  T205]  ? __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)
[    9.471360][  T205]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.471486][  T205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.471614][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.471754][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.471885][  T205]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.472014][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472140][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472267][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.472396][  T205]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.472523][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.472656][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472783][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472908][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473032][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473156][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473282][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.473408][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.473537][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.473671][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.473802][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.473926][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.474051][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.474176][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.474305][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.474433][  T205]  ? 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))
[    9.474556][  T205]  ? 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))
[    9.474688][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.474819][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.474944][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.475074][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.475202][  T205]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.475328][  T205]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.475456][  T205]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.475583][  T205]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.475713][  T205]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.475871][  T205]  ? move_addr_to_kernel (net/socket.c:258)
[    9.475996][  T205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.476120][  T205]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.476246][  T205]  ___sys_sendmsg (net/socket.c:2752)
[    9.476372][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.476526][  T205]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.476667][  T205]  __sys_sendmsg (net/socket.c:2784)
[    9.476798][  T205]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.476921][  T205]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.477079][  T205]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.477205][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.477330][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.477454][  T205]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.477581][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.477713][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.477874][  T205] RIP: 0033:0x7f6a98ba208e
[    9.478005][  T205] 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
[    9.478451][  T205] RSP: 002b:00007ffd54dfd600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.478643][  T205] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a98ba208e
[    9.478835][  T205] RDX: 0000000000000000 RSI: 00007ffd54dfd6b0 RDI: 0000000000000005
[    9.479021][  T205] RBP: 00007ffd54dfd610 R08: 0000000000000000 R09: 0000000000000000
[    9.479208][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ecca
[    9.479393][  T205] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd54dfdd80
| [    9.613375][  T208] ------------[ cut here ]------------
| [    9.613589][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/208
| [    9.613925][  T208] Modules linked in:
| [    9.614403][  T208] Tainted: [W]=WARN
[    9.614504][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.614675][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.614882][  T208] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.615357][  T208] RSP: 0018:ffa00000009e6e30 EFLAGS: 00010286
[    9.615530][  T208] RAX: 00000000ffffffa6 RBX: ff1100000d304c80 RCX: 1ff400000013cd8c
[    9.615733][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d304d3c
[    9.615937][  T208] RBP: ff1100000a34c000 R08: 1fe2200001a609a9 R09: ff110000099f8b80
[    9.616135][  T208] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.616334][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f030404
[    9.616533][  T208] FS:  00007fe5d70eb840(0000) GS:ff110000c3b47000(0000) knlGS:0000000000000000
[    9.616779][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.616944][  T208] CR2: 000000000042ebe0 CR3: 0000000004c4c006 CR4: 0000000000771ef0
[    9.617145][  T208] PKRU: 55555554
[    9.617245][  T208] Call Trace:
[    9.617345][  T208]  <TASK>
[    9.617414][  T208]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    9.617583][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.617720][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.617825][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.617959][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.618092][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.618226][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.618357][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.618491][  T208]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.618624][  T208]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[    9.618800][  T208]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[    9.618967][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.619102][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.619233][  T208]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[    9.619366][  T208]  veth_newlink (drivers/net/veth.c:1871)
[    9.619498][  T208]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.619632][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.619773][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.619904][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.620053][  T208]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.620186][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.620321][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.620454][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.620587][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.620727][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.620866][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.621002][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.621133][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.621270][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.621406][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.621541][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.621677][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.621817][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.621948][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.622081][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.622218][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.622351][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.622484][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.622615][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.622756][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.622888][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.623023][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.623157][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.623290][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.623423][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.623557][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.623697][  T208]  ? 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))
[    9.623834][  T208]  ? 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))
[    9.623968][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.624103][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.624236][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.624369][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.624503][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.624641][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.624780][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.624915][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.625047][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.625214][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.625352][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.625483][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.625615][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.625770][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.625903][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.626035][  T208]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.626170][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.626304][  T208]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.626437][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.626572][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.626710][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.626848][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.626982][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.627117][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.627284][  T208] RIP: 0033:0x7fe5d732508e
[    9.627427][  T208] 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
[    9.627910][  T208] RSP: 002b:00007ffcd161f1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.628114][  T208] RAX: ffffffffffffffda RBX: 00007ffcd161f980 RCX: 00007fe5d732508e
[    9.628313][  T208] RDX: 0000000000000000 RSI: 00007ffcd161f290 RDI: 0000000000000005
[    9.628513][  T208] RBP: 00007ffcd161f1f0 R08: 0000000000000000 R09: 0000000000000000
[    9.628715][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ecca
[    9.628918][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd161f950
| [    9.636470][  T208] ------------[ cut here ]------------
| [    9.636620][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/208
| [    9.637360][  T208] Modules linked in:
| [    9.637791][  T208] Tainted: [W]=WARN
[    9.637891][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.638057][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.638285][  T208] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.638810][  T208] RSP: 0018:ffa00000009e71b0 EFLAGS: 00010286
[    9.638978][  T208] RAX: 00000000ffffffa6 RBX: ff1100000280e040 RCX: 1ff400000013cdfc
[    9.639173][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000280e0fc
[    9.639369][  T208] RBP: ff1100000f644000 R08: 1fe2200000501c21 R09: ff110000099f8b80
[    9.639565][  T208] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.639820][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa6403b20
[    9.640016][  T208] FS:  00007fe5d70eb840(0000) GS:ff110000c3b47000(0000) knlGS:0000000000000000
[    9.640246][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.640410][  T208] CR2: 000000000042ebe0 CR3: 0000000004c4c006 CR4: 0000000000771ef0
[    9.640609][  T208] PKRU: 55555554
[    9.640715][  T208] Call Trace:
[    9.640868][  T208]  <TASK>
[    9.640937][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.641070][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.641170][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.641304][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.641438][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.641570][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.641710][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.641896][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.642030][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.642161][  T208]  ? __dev_get_by_name (net/core/dev.c:883)
[    9.642294][  T208]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    9.642432][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.642569][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.642707][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.642894][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.643027][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.643159][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.643290][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.643426][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.643559][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.643696][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.643883][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.644018][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.644150][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.644283][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.644412][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.644545][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.644678][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.644864][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.645001][  T208]  ? 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))
[    9.645131][  T208]  ? 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))
[    9.645263][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.645395][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.645528][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.645664][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.645850][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.645982][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.646115][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.646250][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.646381][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.646542][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.646680][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.646863][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.646993][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.647138][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.647271][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.647403][  T208]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[    9.647534][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.647671][  T208]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[    9.647855][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.647987][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.648120][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.648252][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.648384][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.648514][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.648680][  T208] RIP: 0033:0x7fe5d732508e
[    9.648871][  T208] 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
[    9.649334][  T208] RSP: 002b:00007ffcd161f1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.649530][  T208] RAX: ffffffffffffffda RBX: 00007ffcd161f980 RCX: 00007fe5d732508e
[    9.649728][  T208] RDX: 0000000000000000 RSI: 00007ffcd161f290 RDI: 0000000000000005
[    9.649979][  T208] RBP: 00007ffcd161f1f0 R08: 0000000000000000 R09: 0000000000000000
[    9.650173][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ecca
[    9.650368][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd161f950
| [    9.701327][  T210] ------------[ cut here ]------------
| [    9.701483][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [    9.701708][  T210] Modules linked in:
| [    9.702082][  T210] Tainted: [W]=WARN
[    9.702177][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.702334][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.702504][  T210] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.702960][  T210] RSP: 0018:ffa0000000a07020 EFLAGS: 00010286
[    9.703117][  T210] RAX: 00000000ffffffa6 RBX: ff11000005700740 RCX: 1ff4000000140dca
[    9.703303][  T210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057007fc
[    9.703487][  T210] RBP: ff1100000f644000 R08: 1fe2200000ae0101 R09: ff1100000f6bae58
[    9.703675][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.703867][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.704056][  T210] FS:  00007fe6cc703840(0000) GS:ff110000c3c47000(0000) knlGS:0000000000000000
[    9.704276][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.704433][  T210] CR2: 0000000035f86988 CR3: 0000000004b89004 CR4: 0000000000771ef0
[    9.704621][  T210] PKRU: 55555554
[    9.704720][  T210] Call Trace:
[    9.704820][  T210]  <TASK>
[    9.704886][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.705014][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.705108][  T210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.705232][  T210]  __dev_notify_flags (net/core/dev.c:9787)
[    9.705357][  T210]  ? netif_change_name (net/core/dev.c:1495)
[    9.705480][  T210]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.705604][  T210]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.705730][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.705863][  T210]  ? 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))
[    9.705991][  T210]  netif_change_flags (net/core/dev.c:9820)
[    9.706115][  T210]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.706240][  T210]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.706367][  T210]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.706492][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.706650][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.706778][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.706902][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.707025][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.707150][  T210]  ? __kernel_text_address (kernel/extable.c:79)
[    9.707275][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.707399][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.707523][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.707652][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.707779][  T210]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.707902][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.708024][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.708147][  T210]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.708273][  T210]  ? __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)
[    9.708400][  T210]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.708523][  T210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.708653][  T210]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.708782][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.708909][  T210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.709035][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.709158][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.709280][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.709405][  T210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.709529][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.709659][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.709787][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.709910][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.710034][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.710160][  T210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.710285][  T210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.710409][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.710532][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.710660][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.710790][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.710913][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.711037][  T210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.711162][  T210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.711286][  T210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.711416][  T210]  ? 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))
[    9.711539][  T210]  ? 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))
[    9.711669][  T210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.711799][  T210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.711924][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.712051][  T210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.712178][  T210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.712305][  T210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.712433][  T210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.712558][  T210]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.712687][  T210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.712846][  T210]  ? move_addr_to_kernel (net/socket.c:258)
[    9.712972][  T210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.713097][  T210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.713224][  T210]  ___sys_sendmsg (net/socket.c:2752)
[    9.713348][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.713502][  T210]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.713644][  T210]  __sys_sendmsg (net/socket.c:2784)
[    9.713775][  T210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.713899][  T210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.714057][  T210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.714184][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.714310][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.714435][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.714559][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.714687][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.714844][  T210] RIP: 0033:0x7fe6cc93d08e
[    9.714973][  T210] 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
[    9.715415][  T210] RSP: 002b:00007ffff652cce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.715601][  T210] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe6cc93d08e
[    9.715794][  T210] RDX: 0000000000000000 RSI: 00007ffff652cd90 RDI: 0000000000000005
[    9.715980][  T210] RBP: 00007ffff652ccf0 R08: 0000000000000000 R09: 0000000000000000
[    9.716164][  T210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10eccb
[    9.716348][  T210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff652d450
| [    9.787330][  T211] ------------[ cut here ]------------
| [    9.787497][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.787741][  T211] Modules linked in:
| [    9.788092][  T211] Tainted: [W]=WARN
[    9.788185][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.788341][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.788501][  T211] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.788942][  T211] RSP: 0018:ffa0000000a16ff8 EFLAGS: 00010286
[    9.789095][  T211] RAX: 00000000ffffffa6 RBX: ff1100000be83a80 RCX: 1ff4000000142dc5
[    9.789277][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be83b3c
[    9.789458][  T211] RBP: ff1100000a34c000 R08: 1fe22000017d0769 R09: ff1100000f6bd158
[    9.789644][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.789833][  T211] R13: 0000000000000000 R14: ffa0000000a17140 R15: ff1100000c174750
[    9.790020][  T211] FS:  00007eff8626e840(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.790234][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.790387][  T211] CR2: 000000003ba98988 CR3: 000000000f821003 CR4: 0000000000771ef0
[    9.790571][  T211] PKRU: 55555554
[    9.790667][  T211] Call Trace:
[    9.790768][  T211]  <TASK>
[    9.790832][  T211]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    9.790957][  T211]  __dev_change_net_namespace (net/core/dev.c:12635)
[    9.791111][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.791233][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.791355][  T211]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.791504][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.791624][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.791760][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.791882][  T211]  ? 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))
[    9.792004][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.792129][  T211]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.792252][  T211]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.792376][  T211]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.792499][  T211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.792658][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.792783][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.792905][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.793025][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.793148][  T211]  ? __kernel_text_address (kernel/extable.c:79)
[    9.793269][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.793392][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.793511][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.793636][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.793764][  T211]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.793883][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.794004][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.794124][  T211]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.794247][  T211]  ? __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)
[    9.794370][  T211]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.794491][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.794613][  T211]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.794745][  T211]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.794870][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.794994][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.795116][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.795237][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.795360][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.795482][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.795603][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.795731][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.795858][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.795979][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.796105][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.796228][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.796350][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.796477][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.796598][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.796723][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.796853][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.796973][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.797094][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.797221][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.797342][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.797467][  T211]  ? 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))
[    9.797588][  T211]  ? 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))
[    9.797716][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.797845][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.797967][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.798089][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.798211][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.798334][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.798459][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.798581][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.798706][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.798861][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.798984][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.799107][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.799230][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.799350][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.799500][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.799637][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.799768][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.799888][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.800044][  T211]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.800166][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.800289][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.800410][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.800538][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.800664][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.800820][  T211] RIP: 0033:0x7eff864a808e
[    9.800951][  T211] 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
[    9.801391][  T211] RSP: 002b:00007ffc8e23c060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.801577][  T211] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007eff864a808e
[    9.801780][  T211] RDX: 0000000000000000 RSI: 00007ffc8e23c110 RDI: 0000000000000005
[    9.801963][  T211] RBP: 00007ffc8e23c070 R08: 0000000000000000 R09: 0000000000000000
[    9.802145][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10eccb
[    9.802326][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8e23c7d0
| [    9.804922][  T211] ------------[ cut here ]------------
| [    9.805051][  T211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/211
| [    9.805263][  T211] Modules linked in:
| [    9.805628][  T211] Tainted: [W]=WARN
[    9.805727][  T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.805892][  T211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.806053][  T211] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.806495][  T211] RSP: 0018:ffa0000000a16fc0 EFLAGS: 00010286
[    9.806657][  T211] RAX: 00000000ffffffa6 RBX: ff1100000be838c0 RCX: 1ff4000000142dbe
[    9.806846][  T211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be8397c
[    9.807032][  T211] RBP: ff1100000a34c000 R08: 1fe22000017d0731 R09: ff1100000f6bd158
[    9.807214][  T211] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.807396][  T211] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c174750
[    9.807581][  T211] FS:  00007eff8626e840(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.807810][  T211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.807967][  T211] CR2: 000000003ba98988 CR3: 000000000f821003 CR4: 0000000000771ef0
[    9.808151][  T211] PKRU: 55555554
[    9.808243][  T211] Call Trace:
[    9.808335][  T211]  <TASK>
[    9.808399][  T211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.808523][  T211]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.808657][  T211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.808758][  T211]  __dev_change_net_namespace (net/core/dev.c:12695)
[    9.808913][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.809037][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.809163][  T211]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.809317][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.809439][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.809565][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.809699][  T211]  ? 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))
[    9.809834][  T211]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.809958][  T211]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.810085][  T211]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.810211][  T211]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.810340][  T211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.810498][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.810623][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.810758][  T211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.810882][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.811007][  T211]  ? __kernel_text_address (kernel/extable.c:79)
[    9.811133][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.811259][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.811383][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.811508][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.811637][  T211]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.811765][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.811890][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.812014][  T211]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.812139][  T211]  ? __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)
[    9.812263][  T211]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.812388][  T211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.812513][  T211]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.812641][  T211]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.812774][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.812900][  T211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.813026][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.813150][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.813274][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.813397][  T211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.813520][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.813650][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.813778][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.813901][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.814024][  T211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.814148][  T211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.814274][  T211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.814397][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.814519][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.814644][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.814777][  T211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.814899][  T211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.815023][  T211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.815147][  T211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.815276][  T211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.815402][  T211]  ? 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))
[    9.815524][  T211]  ? 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))
[    9.815651][  T211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.815780][  T211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.815904][  T211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.816028][  T211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.816154][  T211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.816284][  T211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.816409][  T211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.816532][  T211]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.816660][  T211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.816818][  T211]  ? move_addr_to_kernel (net/socket.c:258)
[    9.816944][  T211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.817069][  T211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.817193][  T211]  ___sys_sendmsg (net/socket.c:2752)
[    9.817315][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.817469][  T211]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.817604][  T211]  __sys_sendmsg (net/socket.c:2784)
[    9.817732][  T211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.817861][  T211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.818021][  T211]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.818146][  T211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.818271][  T211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.818395][  T211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.818521][  T211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.818648][  T211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.818810][  T211] RIP: 0033:0x7eff864a808e
[    9.818940][  T211] 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
[    9.819386][  T211] RSP: 002b:00007ffc8e23c060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.819572][  T211] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007eff864a808e
[    9.819768][  T211] RDX: 0000000000000000 RSI: 00007ffc8e23c110 RDI: 0000000000000005
[    9.819956][  T211] RBP: 00007ffc8e23c070 R08: 0000000000000000 R09: 0000000000000000
[    9.820140][  T211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10eccb
[    9.820324][  T211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8e23c7d0
| [    9.865561][  T212] ------------[ cut here ]------------
| [    9.865725][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.865960][  T212] Modules linked in:
| [    9.866319][  T212] Tainted: [W]=WARN
[    9.866422][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.866580][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.866752][  T212] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.867202][  T212] RSP: 0018:ffa0000000a27020 EFLAGS: 00010286
[    9.867367][  T212] RAX: 00000000ffffffa6 RBX: ff11000005700ac0 RCX: 1ff4000000144dca
[    9.867555][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005700b7c
[    9.867758][  T212] RBP: ff1100000a34c000 R08: 1fe2200000ae0171 R09: ff110000099c2e58
[    9.867948][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.868136][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.868326][  T212] FS:  00007fdbd3671840(0000) GS:ff110000c3c47000(0000) knlGS:0000000000000000
[    9.868547][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.868712][  T212] CR2: 00007fdbd39411a0 CR3: 000000000f896006 CR4: 0000000000771ef0
[    9.868906][  T212] PKRU: 55555554
[    9.869000][  T212] Call Trace:
[    9.869095][  T212]  <TASK>
[    9.869161][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.869291][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.869386][  T212]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.869513][  T212]  __dev_notify_flags (net/core/dev.c:9787)
[    9.869646][  T212]  ? netif_change_name (net/core/dev.c:1495)
[    9.869864][  T212]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.869995][  T212]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.870119][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.870243][  T212]  ? 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))
[    9.870369][  T212]  netif_change_flags (net/core/dev.c:9820)
[    9.870495][  T212]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.870620][  T212]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.870809][  T212]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.870936][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.871144][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.871269][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.871395][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.871519][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.871652][  T212]  ? __kernel_text_address (kernel/extable.c:79)
[    9.871829][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.871958][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.872081][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.872206][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.872330][  T212]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.872453][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.872578][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.872706][  T212]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.872907][  T212]  ? __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)
[    9.873032][  T212]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.873157][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.873285][  T212]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.873418][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.873545][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.873675][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.873873][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.873997][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.874120][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.874242][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.874369][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.874493][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.874616][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.874828][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.874954][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.875079][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.875206][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.875330][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.875454][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.875582][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.875715][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.875863][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.875986][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.876112][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.876239][  T212]  ? 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))
[    9.876361][  T212]  ? 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))
[    9.876487][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.876612][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.876747][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.876875][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.877000][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.877127][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.877254][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.877380][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.877507][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.877666][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[    9.877797][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.877922][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.878048][  T212]  ___sys_sendmsg (net/socket.c:2752)
[    9.878172][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.878327][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.878465][  T212]  __sys_sendmsg (net/socket.c:2784)
[    9.878592][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.878728][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.878891][  T212]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.879016][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.879142][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.879267][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.879396][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.879521][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.879682][  T212] RIP: 0033:0x7fdbd38ab08e
[    9.879817][  T212] 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
[    9.880265][  T212] RSP: 002b:00007ffd2524bfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.880452][  T212] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbd38ab08e
[    9.880643][  T212] RDX: 0000000000000000 RSI: 00007ffd2524c060 RDI: 0000000000000005
[    9.880834][  T212] RBP: 00007ffd2524bfc0 R08: 0000000000000000 R09: 0000000000000000
[    9.881023][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10eccb
[    9.881210][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2524c720
| [    9.883371][   T39] ------------[ cut here ]------------
| [    9.883538][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [    9.883778][   T39] Modules linked in:
| [    9.884172][   T39] Tainted: [W]=WARN
[    9.884259][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.884406][   T39] Workqueue: events_unbound linkwatch_event
[    9.884564][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.884722][   T39] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.885177][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[    9.885321][   T39] RAX: 00000000ffffffa6 RBX: ff1100000f0e0040 RCX: 1ff4000000057f02
[    9.885496][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0e00fc
[    9.885668][   T39] RBP: ff1100000a34c000 R08: 1fe2200001e1c021 R09: ff11000001da51a8
[    9.885841][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[    9.886010][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.886183][   T39] FS:  0000000000000000(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.886387][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.886530][   T39] CR2: 000055de769d0d58 CR3: 000000002474d006 CR4: 0000000000771ef0
[    9.886707][   T39] PKRU: 55555554
[    9.886798][   T39] Call Trace:
[    9.886930][   T39]  <TASK>
[    9.886992][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.887108][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.887224][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.887311][   T39]  netif_state_change (net/core/dev.c:1605)
[    9.887425][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.887568][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.887687][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.887808][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.887925][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.888039][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    9.888154][   T39]  process_one_work (kernel/workqueue.c:3314)
[    9.888272][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.888387][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.888511][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.888660][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.888779][   T39]  kthread (kernel/kthread.c:436)
[    9.888865][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.889008][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.889122][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.889238][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.889383][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.889498][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.889616][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.891264][   T39] ------------[ cut here ]------------
| [    9.891380][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [    9.891607][   T39] Modules linked in:
| [    9.891982][   T39] Tainted: [W]=WARN
[    9.892070][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.892213][   T39] Workqueue: events_unbound linkwatch_event
[    9.892359][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.892512][   T39] 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 e8 b2 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 e8 b2 f0 ff       	call   0xfffffffffff0b324
  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 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.892923][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[    9.893068][   T39] RAX: 00000000ffffffa6 RBX: ff110000057018c0 RCX: 1ff4000000057f02
[    9.893238][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000570197c
[    9.893407][   T39] RBP: ff1100000f644000 R08: 1fe2200000ae0331 R09: ff11000001da51a8
[    9.893580][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[    9.893765][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.893936][   T39] FS:  0000000000000000(0000) GS:ff110000c3ac7000(0000) knlGS:0000000000000000
[    9.894138][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.894279][   T39] CR2: 000055de769d0d58 CR3: 000000002474d006 CR4: 0000000000771ef0
[    9.894453][   T39] PKRU: 55555554
[    9.894539][   T39] Call Trace:
[    9.894624][   T39]  <TASK>
[    9.894687][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.894805][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.894920][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.895012][   T39]  netif_state_change (net/core/dev.c:1605)
[    9.895128][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.895277][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.895393][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.895508][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.895624][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.895749][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[    9.895863][   T39]  process_one_work (kernel/workqueue.c:3314)
[    9.895982][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.896097][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.896215][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.896332][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.896445][   T39]  kthread (kernel/kthread.c:436)
[    9.896530][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.896673][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.896793][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.896908][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.897050][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.897164][   T39]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo_newnet:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:ip6_tnl_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_change_net_namespace:rtnl_newlink:rtnetlink_rcv_msg
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__ip_tunnel_create:ip_tunnel_init_net