======================================
| 0
| xx__-> [    8.241103][  T153] ------------[ cut here ]------------
| [    8.241344][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: connect-deny_ip/153
| [    8.242054][  T153] Tainted: [W]=WARN
[    8.242208][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.242437][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.242661][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.243283][  T153] RSP: 0018:ffa00000007b7ab0 EFLAGS: 00010286
[    8.243514][  T153] RAX: 00000000ffffffa6 RBX: ff11000002796900 RCX: 1ff40000000f6f1c
[    8.243795][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000027969b8
[    8.244048][  T153] RBP: ff11000008904000 R08: 1fe22000004f2d38 R09: ff1100000a552e80
[    8.244297][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.244549][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008904000
[    8.244815][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094bb0000(0000) knlGS:0000000000000000
[    8.245155][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.245386][  T153] CR2: 00007fa4c7fca0a0 CR3: 000000000c680006 CR4: 0000000000771ef0
[    8.245645][  T153] PKRU: 55555554
[    8.245837][  T153] Call Trace:
[    8.245986][  T153]  <TASK>
[    8.246108][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.246321][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.246515][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.246667][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.246882][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.247103][  T153]  register_netdev (net/core/dev.c:11552)
[    8.247331][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    8.247521][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.247675][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.247868][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.248051][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.248254][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.248446][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.248631][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.248857][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.249039][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.249221][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.249428][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.249612][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.249951][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.250139][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.250348][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.250538][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.250721][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.250931][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.251217][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.251441][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.251725][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.252375][  T153] RSP: 002b:00007ffca461c188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.252630][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa4c8052bcb
[    8.253097][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.253449][  T153] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.253698][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    8.254145][  T153] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    8.255976][  T153] ---[ end trace 0000000000000000 ]---
| [    8.264941][  T153] ------------[ cut here ]------------
| [    8.265122][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: connect-deny_ip/153
| [    8.266354][  T153] Tainted: [W]=WARN
[    8.266583][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.266866][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.267146][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.267733][  T153] RSP: 0018:ffa00000007b7a98 EFLAGS: 00010286
[    8.268022][  T153] RAX: 00000000ffffffa6 RBX: ff11000009463e00 RCX: 1ff40000000f6f19
[    8.268325][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009463eb8
[    8.268636][  T153] RBP: ff1100000c489000 R08: 1fe220000128c7d8 R09: ff1100000a552e80
[    8.268949][  T153] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.269250][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c489000
[    8.269561][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094bb0000(0000) knlGS:0000000000000000
[    8.269913][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.270185][  T153] CR2: 00007fa4c7fca0a0 CR3: 000000000c680006 CR4: 0000000000771ef0
[    8.270493][  T153] PKRU: 55555554
[    8.270696][  T153] Call Trace:
[    8.270912][  T153]  <TASK>
[    8.271081][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.271317][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.271562][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.271784][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.272021][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.272290][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.272535][  T153]  register_netdev (net/core/dev.c:11552)
[    8.272782][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    8.273018][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.273216][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.273363][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.273553][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.273735][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.273930][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.274112][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.274323][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.274512][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.274697][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.274891][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.275071][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.275250][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.275438][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.275619][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.275811][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.275991][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.276170][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.276350][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.276568][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.276752][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.277288][  T153] RSP: 002b:00007ffca461c188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.277543][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa4c8052bcb
[    8.277811][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.278058][  T153] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.278302][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    8.278555][  T153] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    8.280237][  T153] ---[ end trace 0000000000000000 ]---
| [    8.289535][  T153] ------------[ cut here ]------------
| [    8.289680][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: connect-deny_ip/153
| [    8.290345][  T153] Tainted: [W]=WARN
[    8.290449][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.290619][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.290862][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.291343][  T153] RSP: 0018:ffa00000007b7ab0 EFLAGS: 00010286
[    8.291515][  T153] RAX: 00000000ffffffa6 RBX: ff1100000c25da80 RCX: 1ff40000000f6f1c
[    8.291714][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c25db38
[    8.291979][  T153] RBP: ff110000089f4000 R08: 1fe220000184bb68 R09: ff1100000a552e80
[    8.292223][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.292427][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089f4000
[    8.292628][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.292933][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.293103][  T153] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.293304][  T153] PKRU: 55555554
[    8.293409][  T153] Call Trace:
[    8.293510][  T153]  <TASK>
[    8.293579][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.293714][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.293911][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.294012][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.294147][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.294316][  T153]  register_netdev (net/core/dev.c:11552)
[    8.294453][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    8.294588][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.294689][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.294868][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.295001][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.295135][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.295269][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.295407][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.295543][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.295676][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.295872][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.296004][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.296139][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.296274][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.296410][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.296544][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.296676][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.296879][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.297012][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.297177][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.297318][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.297865][  T153] RSP: 002b:00007ffca461c188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.298065][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa4c8052bcb
[    8.298266][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.298468][  T153] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    8.298664][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    8.298919][  T153] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    8.300324][  T153] ---[ end trace 0000000000000000 ]---
| [    8.303530][  T153] ------------[ cut here ]------------
| [    8.303676][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/153
| [    8.304250][  T153] Tainted: [W]=WARN
[    8.304350][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.304519][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.304690][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.305170][  T153] RSP: 0018:ffa00000007b7a98 EFLAGS: 00010286
[    8.305337][  T153] RAX: 00000000ffffffa6 RBX: ff1100000c25cc80 RCX: 1ff40000000f6f19
[    8.305538][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c25cd38
[    8.305735][  T153] RBP: ff1100000c5f9000 R08: 1fe220000184b9a8 R09: ff1100000a552e80
[    8.305937][  T153] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.306135][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5f9000
[    8.306332][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[    8.306571][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.306738][  T153] CR2: 0000560103c1b400 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.306938][  T153] PKRU: 55555554
[    8.307038][  T153] Call Trace:
[    8.307137][  T153]  <TASK>
[    8.307205][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.307337][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.307476][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.307578][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.307711][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.307882][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.308016][  T153]  register_netdev (net/core/dev.c:11552)
[    8.308150][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    8.308285][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.308386][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.308493][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.308625][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.308764][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.308898][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.309031][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.309168][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.309303][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.309442][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.309574][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1474 arch/x86/mm/fault.c:1527)
[    8.309707][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.309846][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.309980][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.310114][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.310247][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.310381][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.310519][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.310683][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.310828][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.311302][  T153] RSP: 002b:00007ffca461c188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.311510][  T153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa4c8052bcb
[    8.311709][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.311912][  T153] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    8.312112][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    8.312312][  T153] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    8.313647][  T153] ---[ end trace 0000000000000000 ]---
| [    8.319258][  T153] ------------[ cut here ]------------
| [    8.319443][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/153
| [    8.320085][  T153] Tainted: [W]=WARN
[    8.320189][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.320365][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.320550][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.321073][  T153] RSP: 0018:ffa00000007b7020 EFLAGS: 00010286
[    8.321248][  T153] RAX: 00000000ffffffa6 RBX: ff11000004a05540 RCX: 1ff40000000f6dca
[    8.321459][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004a055f8
[    8.321664][  T153] RBP: ff11000007579000 R08: 1fe2200000940ac0 R09: ff1100000a552e80
[    8.321876][  T153] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.322081][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a6aaa8c
[    8.322290][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[    8.322538][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.322711][  T153] CR2: 0000560103c1b400 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.322922][  T153] PKRU: 55555554
[    8.323025][  T153] Call Trace:
[    8.323130][  T153]  <TASK>
[    8.323201][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.323339][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.323480][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.323618][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.323722][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.323864][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.324003][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.324142][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.324279][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.324420][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.324557][  T153]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.324695][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.324839][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.325016][  T153]  veth_newlink (drivers/net/veth.c:1871)
[    8.325156][  T153]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    8.325294][  T153]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.325438][  T153]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.325575][  T153]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.325725][  T153]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.325872][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.326011][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.326150][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.326288][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.326429][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.326567][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.326704][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.326852][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.326997][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.327138][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.327278][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.327417][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.327554][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.327700][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.327842][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.327979][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.328115][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.328253][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.328389][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.328533][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.328674][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.328817][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.328954][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.329090][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.329230][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.329368][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.329516][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.329654][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.329794][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.329932][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.330069][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.330206][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.330345][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    8.330627][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.330804][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.330942][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.331079][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.331313][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.331455][  T153]  ? update_socket_protocol+0x10/0x10
[    8.331607][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.331746][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.331982][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.332153][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.332288][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.332428][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.332666][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.332810][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.332946][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.333116][  T153] RIP: 0033:0x7fa4c7fca08e
[    8.333358][  T153] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.333858][  T153] RSP: 002b:00007ffca461b880 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.334065][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fa4c7fca08e
[    8.334269][  T153] RDX: 0000000000000078 RSI: 00007ffca461b910 RDI: 0000000000000008
[    8.334574][  T153] RBP: 00007ffca461b890 R08: 0000000000000000 R09: 0000000000000000
[    8.334791][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    8.334996][  T153] R13: 0000000000000045 R14: 000000000040e8fc R15: 0000000000000020
| [    8.336662][  T153] ---[ end trace 0000000000000000 ]---
| [    8.351219][  T153] ------------[ cut here ]------------
| [    8.351381][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/153
| [    8.352005][  T153] Tainted: [W]=WARN
[    8.352109][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.352279][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.352464][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.352952][  T153] RSP: 0018:ffa00000007b73a0 EFLAGS: 00010286
[    8.353126][  T153] RAX: 00000000ffffffa6 RBX: ff1100000a414740 RCX: 1ff40000000f6e3a
[    8.353331][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4147f8
[    8.353542][  T153] RBP: ff11000008ccc000 R08: 1fe2200001482900 R09: ff1100000a552e80
[    8.353746][  T153] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.353955][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.354160][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[    8.354400][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.354576][  T153] CR2: 0000560103c1b400 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.354785][  T153] PKRU: 55555554
[    8.354887][  T153] Call Trace:
[    8.354988][  T153]  <TASK>
[    8.355058][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.355197][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.355333][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.355474][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.355577][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.355715][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.355857][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.355993][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.356131][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.356268][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.356407][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.356545][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.356682][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.356826][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.356964][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.357100][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.357237][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.357378][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.357521][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.357658][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.357800][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.357937][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.358077][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.358214][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.358351][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.358494][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.358630][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.359340][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.359481][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.359616][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.359754][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.359897][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.360032][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.360169][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.360303][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.360445][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.360581][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.360717][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.360859][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.360995][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.361133][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.361271][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    8.361443][  T153]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.361613][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.361752][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.361894][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.362034][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.362174][  T153]  ? update_socket_protocol+0x10/0x10
[    8.362310][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.362451][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.362586][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.362756][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.362896][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.363030][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.363167][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.363303][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.363443][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.363611][  T153] RIP: 0033:0x7fa4c7fca08e
[    8.363751][  T153] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.364245][  T153] RSP: 002b:00007ffca461b880 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.364457][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fa4c7fca08e
[    8.364661][  T153] RDX: 0000000000000078 RSI: 00007ffca461b910 RDI: 0000000000000008
[    8.364870][  T153] RBP: 00007ffca461b890 R08: 0000000000000000 R09: 0000000000000000
[    8.365072][  T153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    8.365275][  T153] R13: 0000000000000045 R14: 000000000040e8fc R15: 0000000000000020
| [    8.366647][  T153] ---[ end trace 0000000000000000 ]---
| [    8.373016][   T12] ------------[ cut here ]------------
| [    8.373188][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.373732][   T12] Tainted: [W]=WARN
[    8.373848][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.374003][   T12] Workqueue: netns cleanup_net
[    8.374138][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.374297][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.374744][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    8.374948][   T12] RAX: 00000000ffffffa6 RBX: ff110000091ee900 RCX: 1ff4000000018eed
[    8.375132][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091ee9b8
[    8.375319][   T12] RBP: ff1100000c489000 R08: 1fe220000123dd38 R09: ff11000001b0d1d0
[    8.375505][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.375686][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.375913][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.376133][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.376287][   T12] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.376474][   T12] PKRU: 55555554
[    8.376565][   T12] Call Trace:
[    8.376656][   T12]  <TASK>
[    8.376720][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.376883][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.377038][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    8.377161][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    8.377286][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.377411][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    8.377535][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.377659][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.377791][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.377912][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.378041][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.378163][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.378285][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.378414][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.378536][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.378661][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.378793][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.378920][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.379047][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.379172][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.379294][   T12]  kthread (kernel/kthread.c:436)
[    8.379388][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.379545][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.379668][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.379803][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.379957][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.380081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.380204][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.381376][   T12] ---[ end trace 0000000000000000 ]---
| [    8.388969][  T153] ------------[ cut here ]------------
| [    8.389124][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/153
| [    8.389701][  T153] Tainted: [W]=WARN
[    8.389810][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.389978][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.390157][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.390638][  T153] RSP: 0018:ffa00000007b7ab0 EFLAGS: 00010286
[    8.390810][  T153] RAX: 00000000ffffffa6 RBX: ff11000004f96e40 RCX: 1ff40000000f6f1c
[    8.391016][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f96ef8
[    8.391216][  T153] RBP: ff11000004cec000 R08: 1fe22000009f2de0 R09: ff1100000a552e80
[    8.391419][  T153] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.391621][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004cec000
[    8.391831][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[    8.392065][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.392234][  T153] CR2: 0000000017ce3018 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.392441][  T153] PKRU: 55555554
[    8.392543][  T153] Call Trace:
[    8.392643][  T153]  <TASK>
[    8.392719][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.392860][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.392995][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.393097][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.393232][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.393408][  T153]  register_netdev (net/core/dev.c:11552)
[    8.393543][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    8.393685][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.393793][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.393895][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.394029][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.394164][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.394302][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.394440][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.394583][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.394717][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.394857][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.394991][  T153]  ? ksys_write (fs/read_write.c:740)
[    8.395126][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.395260][  T153]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.395406][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.395540][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.395674][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.395811][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.395945][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.396080][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.396253][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.396393][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.396880][  T153] RSP: 002b:00007ffca461c1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.397084][  T153] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4c8052bcb
[    8.397293][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.397498][  T153] RBP: 000000006a10eb3c R08: 0000000000000000 R09: 0000000000000000
[    8.397698][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    8.397903][  T153] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    8.399263][  T153] ---[ end trace 0000000000000000 ]---
| [    8.408170][  T153] ------------[ cut here ]------------
| [    8.408314][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/153
| [    8.409484][  T153] Tainted: [W]=WARN
[    8.409588][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.409758][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.409991][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.410469][  T153] RSP: 0018:ffa00000007b7a98 EFLAGS: 00010286
[    8.410640][  T153] RAX: 00000000ffffffa6 RBX: ff11000004f97c40 RCX: 1ff40000000f6f19
[    8.410896][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f97cf8
[    8.411155][  T153] RBP: ff1100000e1e9000 R08: 1fe22000009f2fa0 R09: ff1100000a552e80
[    8.411356][  T153] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.411560][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e1e9000
[    8.411818][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[    8.412050][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.412219][  T153] CR2: 0000000017ce3018 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.412423][  T153] PKRU: 55555554
[    8.412523][  T153] Call Trace:
[    8.412624][  T153]  <TASK>
[    8.412693][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.412883][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.413017][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.413118][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.413253][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.413422][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.413561][  T153]  register_netdev (net/core/dev.c:11552)
[    8.413696][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    8.413889][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.413991][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.414092][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.414224][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.414357][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.414497][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.414632][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.414823][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.414956][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.415089][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.415221][  T153]  ? ksys_write (fs/read_write.c:740)
[    8.415354][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.415491][  T153]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.415628][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.415818][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.415952][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.416084][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.416217][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.416350][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.416519][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.416660][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.417196][  T153] RSP: 002b:00007ffca461c1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.417397][  T153] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4c8052bcb
[    8.417604][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.417860][  T153] RBP: 000000006a10eb3c R08: 0000000000000000 R09: 0000000000000000
[    8.418059][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    8.418260][  T153] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    8.419657][  T153] ---[ end trace 0000000000000000 ]---
| [    8.420399][   T12] ------------[ cut here ]------------
| [    8.420540][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.421115][   T12] Tainted: [W]=WARN
[    8.421208][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.421363][   T12] Workqueue: netns cleanup_net
[    8.421499][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.421661][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.422121][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.422277][   T12] RAX: 00000000ffffffa6 RBX: ff110000091ef700 RCX: 1ff4000000018ed5
[    8.422465][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091ef7b8
[    8.422655][   T12] RBP: ff11000008ccc000 R08: 1fe220000123def8 R09: ff11000001b0d1d0
[    8.422849][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.423033][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.423218][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.423445][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.423601][   T12] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.423793][   T12] PKRU: 55555554
[    8.423887][   T12] Call Trace:
[    8.423979][   T12]  <TASK>
[    8.424044][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.424202][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.424361][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.424490][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.424614][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.424776][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.424902][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.425026][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.425153][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.425278][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.425409][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.425536][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.425660][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.425790][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.425915][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.426039][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.426165][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.426301][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.426427][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.426554][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.426681][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.426811][   T12]  kthread (kernel/kthread.c:436)
[    8.426906][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.427061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.427190][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.427315][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.427474][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.427598][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.427722][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.428918][   T12] ---[ end trace 0000000000000000 ]---
| [    8.430364][   T12] ------------[ cut here ]------------
| [    8.430578][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.431544][   T12] Tainted: [W]=WARN
[    8.431637][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.431799][   T12] Workqueue: netns cleanup_net
[    8.431928][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.432088][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.432542][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.432697][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a415540 RCX: 1ff4000000018ed5
[    8.432892][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4155f8
[    8.433078][   T12] RBP: ff11000007579000 R08: 1fe2200001482ac0 R09: ff11000001b0d1d0
[    8.433266][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.433457][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.433642][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.433864][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.434024][   T12] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.434210][   T12] PKRU: 55555554
[    8.434304][   T12] Call Trace:
[    8.434396][   T12]  <TASK>
[    8.434466][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.434624][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.434786][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.434910][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.435037][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.435195][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.435321][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.435448][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.435575][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.435702][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.435831][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.435962][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.436087][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.436210][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.436336][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.436465][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.436591][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.436719][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.436855][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.436984][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.437113][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.437237][   T12]  kthread (kernel/kthread.c:436)
[    8.437331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.437493][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.437619][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.437746][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.437909][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.438034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.438159][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.439349][   T12] ---[ end trace 0000000000000000 ]---
| [    8.440475][   T12] ------------[ cut here ]------------
| [    8.440600][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.441132][   T12] Tainted: [W]=WARN
[    8.441226][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.441391][   T12] Workqueue: netns cleanup_net
[    8.441524][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.441687][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.442143][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.442301][   T12] RAX: 00000000ffffffa6 RBX: ff11000004aa2580 RCX: 1ff4000000018ed5
[    8.442574][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004aa2638
[    8.442770][   T12] RBP: ff11000008904000 R08: 1fe22000009544c8 R09: ff11000001b0d1d0
[    8.443049][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.443242][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.443439][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.443738][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.443901][   T12] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.444095][   T12] PKRU: 55555554
[    8.444268][   T12] Call Trace:
[    8.444362][   T12]  <TASK>
[    8.444431][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.444592][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.444837][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.444966][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.445093][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.445256][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.445467][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.445596][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.445726][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.445865][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.446069][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.446198][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.446329][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.446461][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.446671][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.446802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.446930][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.447060][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.447265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.447395][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.447534][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.447659][   T12]  kthread (kernel/kthread.c:436)
[    8.447838][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.447996][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.448124][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.448251][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.448497][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.448626][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.448752][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.450198][   T12] ---[ end trace 0000000000000000 ]---
| [    8.463616][  T153] ------------[ cut here ]------------
| [    8.463784][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/153
| [    8.464414][  T153] Tainted: [W]=WARN
[    8.464523][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.464705][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.464905][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.465398][  T153] RSP: 0018:ffa00000007b7ab0 EFLAGS: 00010286
[    8.465575][  T153] RAX: 00000000ffffffa6 RBX: ff11000004aa3e00 RCX: 1ff40000000f6f1c
[    8.465783][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004aa3eb8
[    8.465988][  T153] RBP: ff1100000a264000 R08: 1fe22000009547d8 R09: ff1100000a552e80
[    8.466193][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.466396][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a264000
[    8.466606][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094b30000(0000) knlGS:0000000000000000
[    8.466852][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.467023][  T153] CR2: 00007fbf3d343ab0 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.467228][  T153] PKRU: 55555554
[    8.467330][  T153] Call Trace:
[    8.467438][  T153]  <TASK>
[    8.467507][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.467644][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.467788][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.467892][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.468031][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.468204][  T153]  register_netdev (net/core/dev.c:11552)
[    8.468340][  T153]  loopback_net_init (drivers/net/loopback.c:218)
[    8.468483][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.468586][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.468691][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.468853][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.468990][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.469128][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.469265][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.469407][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.469543][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.469682][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.469861][  T153]  ? ksys_write (fs/read_write.c:740)
[    8.470000][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.470139][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.470276][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.470415][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.470551][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.470686][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.470829][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.470999][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.471142][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.471633][  T153] RSP: 002b:00007ffca461c1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.471844][  T153] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4c8052bcb
[    8.472049][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.472252][  T153] RBP: 000000006a10eb3c R08: 0000000000000000 R09: 0000000000000000
[    8.472461][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    8.472667][  T153] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    8.474041][  T153] ---[ end trace 0000000000000000 ]---
| [    8.477107][  T153] ------------[ cut here ]------------
| [    8.477251][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/153
| [    8.477841][  T153] Tainted: [W]=WARN
[    8.477944][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.478114][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.478290][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.478786][  T153] RSP: 0018:ffa00000007b7a98 EFLAGS: 00010286
[    8.478957][  T153] RAX: 00000000ffffffa6 RBX: ff1100000b201000 RCX: 1ff40000000f6f19
[    8.479162][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2010b8
[    8.479366][  T153] RBP: ff1100000e2a4000 R08: 1fe2200001640218 R09: ff1100000a552e80
[    8.479573][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.479778][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e2a4000
[    8.479983][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094b30000(0000) knlGS:0000000000000000
[    8.480219][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.480389][  T153] CR2: 00007fbf3d343ab0 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.480598][  T153] PKRU: 55555554
[    8.480699][  T153] Call Trace:
[    8.480805][  T153]  <TASK>
[    8.480875][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.481012][  T153]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.481147][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.481250][  T153]  register_netdevice (net/core/dev.c:11488)
[    8.481386][  T153]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.481558][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.481694][  T153]  register_netdev (net/core/dev.c:11552)
[    8.481835][  T153]  sit_init_net (net/ipv6/sit.c:1860)
[    8.481972][  T153]  ops_init (net/core/net_namespace.c:137)
[    8.482075][  T153]  setup_net (net/core/net_namespace.c:446)
[    8.482178][  T153]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.482320][  T153]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.482461][  T153]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.482597][  T153]  copy_net_ns (net/core/net_namespace.c:579)
[    8.482733][  T153]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.482874][  T153]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.483008][  T153]  ksys_unshare (kernel/fork.c:3243)
[    8.483145][  T153]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.483278][  T153]  ? ksys_write (fs/read_write.c:740)
[    8.483417][  T153]  ? __ia32_sys_open (fs/open.c:1374)
[    8.483553][  T153]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.483686][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.483827][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.483961][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.484095][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.484231][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.484397][  T153] RIP: 0033:0x7fa4c8052bcb
[    8.484541][  T153] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    8.485027][  T153] RSP: 002b:00007ffca461c1e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.485230][  T153] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4c8052bcb
[    8.485437][  T153] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    8.485638][  T153] RBP: 000000006a10eb3c R08: 0000000000000000 R09: 0000000000000000
[    8.485844][  T153] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    8.486043][  T153] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    8.487392][  T153] ---[ end trace 0000000000000000 ]---
| [    8.502224][   T12] ------------[ cut here ]------------
| [    8.502360][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.502903][   T12] Tainted: [W]=WARN
[    8.502998][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.503168][   T12] Workqueue: netns cleanup_net
[    8.503296][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.503461][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.503907][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    8.504063][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b201540 RCX: 1ff4000000018eed
[    8.504253][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2015f8
[    8.504443][   T12] RBP: ff1100000c5f9000 R08: 1fe22000016402c0 R09: ff11000001b0d1d0
[    8.504625][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.504815][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.505004][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.505221][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.505376][   T12] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.505564][   T12] PKRU: 55555554
[    8.505655][   T12] Call Trace:
[    8.505747][   T12]  <TASK>
[    8.505826][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.505983][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.506136][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    8.506264][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    8.506388][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.506515][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    8.506639][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    8.506768][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.506897][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.507023][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.507149][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.507272][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.507394][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.507524][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.507647][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.507776][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.507915][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.508038][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.508165][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.508293][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.508418][   T12]  kthread (kernel/kthread.c:436)
[    8.508512][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.508674][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.508807][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.508931][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.509083][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.509206][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.509331][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.510522][   T12] ---[ end trace 0000000000000000 ]---
| [    8.524491][   T12] ------------[ cut here ]------------
| [    8.524627][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.525178][   T12] Tainted: [W]=WARN
[    8.525271][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.525432][   T12] Workqueue: netns cleanup_net
[    8.525562][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.525724][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.526178][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.526340][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a414580 RCX: 1ff4000000018ed5
[    8.526530][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a414638
[    8.526715][   T12] RBP: ff110000089f4000 R08: 1fe22000014828c8 R09: ff11000001b0d1d0
[    8.526910][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.527097][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.527283][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.527505][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.527664][   T12] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.527857][   T12] PKRU: 55555554
[    8.527949][   T12] Call Trace:
[    8.528042][   T12]  <TASK>
[    8.528107][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.528265][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.528426][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.528554][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.528684][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.528816][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.528945][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.529072][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.529197][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.529324][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.529456][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.529584][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.529710][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.529838][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.529965][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.530094][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.530219][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.530347][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.530483][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.530608][   T12]  kthread (kernel/kthread.c:436)
[    8.530702][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.530911][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.531041][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.531166][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.531326][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.531458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.531583][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.532786][   T12] ---[ end trace 0000000000000000 ]---
| [    8.609551][  T153] ------------[ cut here ]------------
| [    8.609720][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/153
| [    8.610330][  T153] Tainted: [W]=WARN
[    8.610441][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.610614][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.610801][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.611304][  T153] RSP: 0018:ffa00000007b7020 EFLAGS: 00010286
[    8.611485][  T153] RAX: 00000000ffffffa6 RBX: ff110000091ef380 RCX: 1ff40000000f6dca
[    8.611693][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091ef438
[    8.611905][  T153] RBP: ff1100000c48c000 R08: 1fe220000123de88 R09: ff1100000a552e80
[    8.612123][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.612331][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a21958c
[    8.612543][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094b30000(0000) knlGS:0000000000000000
[    8.612790][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.612969][  T153] CR2: 0000000017cf9218 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.613177][  T153] PKRU: 55555554
[    8.613281][  T153] Call Trace:
[    8.613383][  T153]  <TASK>
[    8.613460][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.613598][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.613736][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.613883][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.613988][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.614127][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.614265][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.614406][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.614546][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.614684][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.614840][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.614979][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.615119][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.615259][  T153]  veth_newlink (drivers/net/veth.c:1871)
[    8.615399][  T153]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    8.615541][  T153]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.615679][  T153]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.615828][  T153]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.615978][  T153]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.616117][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.616256][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.616394][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.616540][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.616687][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.616831][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.616969][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.617108][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.617250][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.617391][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.617535][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.617679][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.617822][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.617963][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.618103][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.618242][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.618380][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.618527][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.618664][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.618884][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.619022][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.619160][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.619298][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.619442][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.619588][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.619726][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.619953][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.620093][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.620230][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.620369][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.620520][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.620659][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.620882][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.621024][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.621164][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.621306][  T153]  ? update_socket_protocol+0x10/0x10
[    8.621450][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.621597][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.621734][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.621987][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.622124][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.622262][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.622400][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.622550][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.622687][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.622941][  T153] RIP: 0033:0x7fa4c7fd5e32
[    8.623086][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.623586][  T153] RSP: 002b:00007ffca461b8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.623867][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fa4c7fd5e32
[    8.624073][  T153] RDX: 0000000000000078 RSI: 00007ffca461b970 RDI: 0000000000000009
[    8.624278][  T153] RBP: 00007ffca461b8f0 R08: 0000000000000000 R09: 0000000000000000
[    8.624493][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    8.624700][  T153] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000020
| [    8.626113][  T153] ---[ end trace 0000000000000000 ]---
| [    8.640514][  T153] ------------[ cut here ]------------
| [    8.640661][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/153
| [    8.641261][  T153] Tainted: [W]=WARN
[    8.641365][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.641545][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.641722][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.642212][  T153] RSP: 0018:ffa00000007b73a0 EFLAGS: 00010286
[    8.642385][  T153] RAX: 00000000ffffffa6 RBX: ff1100000a2398c0 RCX: 1ff40000000f6e3a
[    8.642595][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a239978
[    8.642804][  T153] RBP: ff1100000c90c000 R08: 1fe2200001447330 R09: ff1100000a552e80
[    8.643009][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.643213][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.643419][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094b30000(0000) knlGS:0000000000000000
[    8.643661][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.643839][  T153] CR2: 0000000017cf9218 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.644044][  T153] PKRU: 55555554
[    8.644146][  T153] Call Trace:
[    8.644249][  T153]  <TASK>
[    8.644319][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.644461][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.644597][  T153]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[    8.644736][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.644844][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.644981][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.645118][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.645255][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.645393][  T153]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.645537][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.645675][  T153]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.645818][  T153]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.645957][  T153]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.646097][  T153]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.646237][  T153]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.646376][  T153]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.646517][  T153]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.646660][  T153]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.646808][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.646947][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.647084][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.647222][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.647363][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.647508][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.647647][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.647789][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.647929][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.648066][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.648207][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.648345][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.648487][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.648627][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.648770][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.648911][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.649048][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.649188][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.649327][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.649470][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.649610][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.649749][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.649893][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.650034][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.650174][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.650315][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.650459][  T153]  ? update_socket_protocol+0x10/0x10
[    8.650597][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.650739][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.650881][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.651054][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.651193][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.651331][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.651474][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.651614][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.651752][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.651928][  T153] RIP: 0033:0x7fa4c7fd5e32
[    8.652071][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.652567][  T153] RSP: 002b:00007ffca461b8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.652779][  T153] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fa4c7fd5e32
[    8.652986][  T153] RDX: 0000000000000078 RSI: 00007ffca461b970 RDI: 0000000000000009
[    8.653192][  T153] RBP: 00007ffca461b8f0 R08: 0000000000000000 R09: 0000000000000000
[    8.653397][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    8.653608][  T153] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000020
| [    8.654994][  T153] ---[ end trace 0000000000000000 ]---
| [    8.655720][  T153] ------------[ cut here ]------------
| [    8.655869][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/153
| [    8.656441][  T153] Tainted: [W]=WARN
[    8.656543][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.656711][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.657592][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.658181][  T153] RSP: 0018:ffa00000007b7220 EFLAGS: 00010286
[    8.658352][  T153] RAX: 00000000ffffffa6 RBX: ff1100000a239e00 RCX: 1ff40000000f6e0a
[    8.658559][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a239eb8
[    8.658846][  T153] RBP: ff1100000c48c000 R08: 1fe22000014473d8 R09: ff1100000a552e58
[    8.659047][  T153] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    8.659248][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c48cce1
[    8.659452][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094b30000(0000) knlGS:0000000000000000
[    8.659686][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.659943][  T153] CR2: 0000000017cf9218 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.660143][  T153] PKRU: 55555554
[    8.660244][  T153] Call Trace:
[    8.660344][  T153]  <TASK>
[    8.660417][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.660554][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.660655][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.660795][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.660930][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.661065][  T153]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.661199][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.661333][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.661474][  T153]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    8.661611][  T153]  netif_change_flags (net/core/dev.c:9820)
[    8.661746][  T153]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.661887][  T153]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.662022][  T153]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.662196][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.662332][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.662472][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.662607][  T153]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.662743][  T153]  ? __kernel_text_address (kernel/extable.c:79)
[    8.662883][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.663019][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.663153][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.663289][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.663429][  T153]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.663562][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.663697][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.663836][  T153]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.663971][  T153]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    8.664105][  T153]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.664240][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.664376][  T153]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.664518][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.664652][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.664794][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.664929][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.665062][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.665196][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.665333][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.665472][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.665608][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.665741][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.665880][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.666014][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.666148][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.666282][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.666420][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.666556][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.666690][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.666829][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.666963][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.667096][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.667233][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.667366][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.667506][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.667642][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.667777][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.667912][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.668047][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.668183][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.668320][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.668461][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.668601][  T153]  ? fput_close_sync (fs/file_table.c:615)
[    8.668736][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.668874][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.669007][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.669174][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.669307][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.669447][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.669582][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.669717][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.669862][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.670028][  T153] RIP: 0033:0x7fa4c7fd5e32
[    8.670168][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.670651][  T153] RSP: 002b:00007ffca461b8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.670858][  T153] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa4c7fd5e32
[    8.671063][  T153] RDX: 0000000000000020 RSI: 00007ffca461b950 RDI: 0000000000000009
[    8.671265][  T153] RBP: 00007ffca461b900 R08: 0000000000000000 R09: 0000000000000000
[    8.671470][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000041bc95b
[    8.671671][  T153] R13: 00007fa4c7f77cc3 R14: 0000000001fe000a R15: 0000000000000000
| [    8.673014][  T153] ---[ end trace 0000000000000000 ]---
| [    8.674975][  T153] ------------[ cut here ]------------
| [    8.675123][  T153] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: connect-deny_ip/153
| [    8.675701][  T153] Tainted: [W]=WARN
[    8.675813][  T153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.675982][  T153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.676156][  T153] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.676640][  T153] RSP: 0018:ffa00000007b7220 EFLAGS: 00010286
[    8.676818][  T153] RAX: 00000000ffffffa6 RBX: ff1100000967f1c0 RCX: 1ff40000000f6e0a
[    8.677019][  T153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000967f278
[    8.677219][  T153] RBP: ff1100000c90c000 R08: 1fe22000012cfe50 R09: ff1100000a552e58
[    8.677426][  T153] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    8.677629][  T153] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c90cce1
[    8.677842][  T153] FS:  00007fa4c7f57780(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[    8.678084][  T153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.678254][  T153] CR2: 0000563dc14a62f8 CR3: 000000000c680004 CR4: 0000000000771ef0
[    8.678461][  T153] PKRU: 55555554
[    8.678561][  T153] Call Trace:
[    8.678660][  T153]  <TASK>
[    8.678729][  T153]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.678871][  T153]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.678975][  T153]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.679108][  T153]  __dev_notify_flags (net/core/dev.c:9787)
[    8.679243][  T153]  ? netif_change_name (net/core/dev.c:1495)
[    8.679378][  T153]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.679517][  T153]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.679650][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.679793][  T153]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    8.679928][  T153]  netif_change_flags (net/core/dev.c:9820)
[    8.680063][  T153]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.680198][  T153]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.680333][  T153]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.680505][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.680639][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.680795][  T153]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.680928][  T153]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.681063][  T153]  ? __kernel_text_address (kernel/extable.c:79)
[    8.681198][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.681335][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.681474][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.681617][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.681751][  T153]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.681889][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.682022][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.682156][  T153]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.682290][  T153]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    8.682438][  T153]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.682571][  T153]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.682707][  T153]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.682846][  T153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.682981][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.683115][  T153]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.683250][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.683385][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.683524][  T153]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.683660][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.683799][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.683933][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.684074][  T153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.684208][  T153]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.684343][  T153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.684481][  T153]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.684616][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.684749][  T153]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.684897][  T153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.685031][  T153]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.685165][  T153]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.685300][  T153]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.685439][  T153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.685575][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.685718][  T153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.685860][  T153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.685996][  T153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.686129][  T153]  ? netlink_autobind.isra.0 (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:815 (discriminator 2))
[    8.686264][  T153]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.686398][  T153]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.686549][  T153]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.686685][  T153]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.686826][  T153]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.686967][  T153]  ? fput_close_sync (fs/file_table.c:615)
[    8.687101][  T153]  ? alloc_file_clone (fs/file_table.c:477)
[    8.687236][  T153]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.687376][  T153]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.687545][  T153]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.687679][  T153]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.687819][  T153]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.687952][  T153]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.688087][  T153]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.688228][  T153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.688393][  T153] RIP: 0033:0x7fa4c7fd5e32
[    8.688537][  T153] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    8.689027][  T153] RSP: 002b:00007ffca461b8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.689230][  T153] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa4c7fd5e32
[    8.689436][  T153] RDX: 0000000000000020 RSI: 00007ffca461b950 RDI: 0000000000000009
[    8.689638][  T153] RBP: 00007ffca461b900 R08: 0000000000000000 R09: 0000000000000000
[    8.689842][  T153] R10: 0000000000000000 R11: 0000000000000246 R12: 000000001dee7e24
[    8.690042][  T153] R13: 0000000000000000 R14: 000000000101000a R15: 00007fa4c7f77cc3
| [    8.691386][  T153] ---[ end trace 0000000000000000 ]---
| [    8.692658][   T37] ------------[ cut here ]------------
| [    8.693142][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    8.693736][   T37] Tainted: [W]=WARN
[    8.693867][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.694023][   T37] Workqueue: events_unbound linkwatch_event
[    8.694185][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.694348][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.694804][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    8.694960][   T37] RAX: 00000000ffffffa6 RBX: ff11000004f0c3c0 RCX: 1ff4000000053f02
[    8.695148][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004f0c478
[    8.695336][   T37] RBP: ff1100000c48c000 R08: 1fe22000009e1890 R09: ff11000001d90ba8
[    8.695527][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    8.695714][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.695907][   T37] FS:  0000000000000000(0000) GS:ff11000094b30000(0000) knlGS:0000000000000000
[    8.696127][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.696285][   T37] CR2: 00007fa4c7753cd4 CR3: 000000000c680005 CR4: 0000000000771ef0
[    8.696477][   T37] PKRU: 55555554
[    8.696570][   T37] Call Trace:
[    8.696662][   T37]  <TASK>
[    8.696727][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.696862][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.696989][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.697085][   T37]  netif_state_change (net/core/dev.c:1605)
[    8.697211][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    8.697368][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.697497][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.697622][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.697751][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.697882][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    8.698009][   T37]  process_one_work (kernel/workqueue.c:3314)
[    8.698137][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.698262][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.698391][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.698526][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.698650][   T37]  kthread (kernel/kthread.c:436)
[    8.698744][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.698909][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.699036][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.699161][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.699317][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.699448][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.699573][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.776357][    C2] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
| [    9.390067][   T37] ------------[ cut here ]------------
| [    9.390262][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [    9.390878][   T37] Tainted: [W]=WARN
[    9.390981][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.391152][   T37] Workqueue: events_unbound linkwatch_event
[    9.391322][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.391501][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.391977][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    9.392145][   T37] RAX: 00000000ffffffa6 RBX: ff1100000c400740 RCX: 1ff4000000053f02
[    9.392340][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c4007f8
[    9.392542][   T37] RBP: ff1100000c90c000 R08: 1fe2200001880100 R09: ff11000001d90ba8
[    9.392737][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[    9.393059][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.393256][   T37] FS:  0000000000000000(0000) GS:ff11000094b30000(0000) knlGS:0000000000000000
[    9.393489][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.393650][   T37] CR2: 00007fa4c7753cd4 CR3: 000000000c8dc004 CR4: 0000000000771ef0
[    9.393855][   T37] PKRU: 55555554
[    9.393952][   T37] Call Trace:
[    9.394047][   T37]  <TASK>
[    9.394115][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.394243][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.394371][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.394476][   T37]  netif_state_change (net/core/dev.c:1605)
[    9.394606][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.394775][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.394903][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.395030][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.395164][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.395292][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    9.395420][   T37]  process_one_work (kernel/workqueue.c:3314)
[    9.395551][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.395685][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.395821][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.395953][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.396078][   T37]  kthread (kernel/kthread.c:436)
[    9.396173][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.396330][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.396460][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.396586][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.396744][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.396875][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.397000][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.616063][  T153] connect-deny_ip (153) used greatest stack depth: 23632 bytes left
| [   15.617631][   T12] ------------[ cut here ]------------
| [   15.618294][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.618910][   T12] Tainted: [W]=WARN
[   15.619008][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.619173][   T12] Workqueue: netns cleanup_net
[   15.619318][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.619495][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.619964][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.620127][   T12] RAX: 00000000ffffffa6 RBX: ff11000002797c40 RCX: 1ff4000000018eed
[   15.620318][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002797cf8
[   15.620511][   T12] RBP: ff1100000e1e9000 R08: 1fe22000004f2fa0 R09: ff11000001b0d1d0
[   15.620703][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.620896][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.621088][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[   15.621312][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.621473][   T12] CR2: 00007fa4c8074720 CR3: 0000000021149002 CR4: 0000000000771ef0
[   15.621660][   T12] PKRU: 55555554
[   15.621756][   T12] Call Trace:
[   15.621858][   T12]  <TASK>
[   15.621924][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.622088][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.622245][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.622373][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.622504][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.622629][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.622756][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.622891][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.623017][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.623142][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.623268][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.623392][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.623519][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.623643][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.623773][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.623901][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.624028][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.624152][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.624281][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.624407][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.624535][   T12]  kthread (kernel/kthread.c:436)
[   15.624630][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.624792][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.624916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.625040][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.625193][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.625318][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.625446][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.626633][   T12] ---[ end trace 0000000000000000 ]---
| [   15.627842][   T12] ------------[ cut here ]------------
| [   15.627972][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   15.628511][   T12] Tainted: [W]=WARN
[   15.628604][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.628771][   T12] Workqueue: netns cleanup_net
[   15.628900][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.629061][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.630074][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.630248][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b200200 RCX: 1ff4000000018eed
[   15.630440][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2002b8
[   15.630624][   T12] RBP: ff1100000e2a4000 R08: 1fe2200001640058 R09: ff11000001b0d1d0
[   15.630823][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   15.631007][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.631194][   T12] FS:  0000000000000000(0000) GS:ff11000094ab0000(0000) knlGS:0000000000000000
[   15.631408][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.631567][   T12] CR2: 00007fa4c8074720 CR3: 0000000021149002 CR4: 0000000000771ef0
[   15.631753][   T12] PKRU: 55555554
[   15.631852][   T12] Call Trace:
[   15.631943][   T12]  <TASK>
[   15.632008][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.632166][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.632316][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.632445][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.632569][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.632692][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.632823][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.632948][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.633070][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.633195][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.633321][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.633448][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.633572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.633694][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.633822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.633947][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.634072][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.634194][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.634319][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.634449][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.634570][   T12]  kthread (kernel/kthread.c:436)
[   15.634662][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.634819][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.634941][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.635063][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.635216][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.635337][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.635463][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.636620][   T12] ---[ end trace 0000000000000000 ]---
| [   15.655796][   T12] ------------[ cut here ]------------
| [   15.655944][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.656508][   T12] Tainted: [W]=WARN
[   15.656608][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.656776][   T12] Workqueue: netns cleanup_net
[   15.656914][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.657089][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.657564][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.657729][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c25ce40 RCX: 1ff4000000018eaf
[   15.657929][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c25cef8
[   15.658126][   T12] RBP: ff1100000c90c000 R08: 1fe220000184b9e0 R09: ff11000001b0d1d0
[   15.658323][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   15.658525][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c48c000
[   15.658723][   T12] FS:  0000000000000000(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[   15.658958][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.659123][   T12] CR2: 00007f576c26ef98 CR3: 0000000021149002 CR4: 0000000000771ef0
[   15.659321][   T12] PKRU: 55555554
[   15.659419][   T12] Call Trace:
[   15.659521][   T12]  <TASK>
[   15.659589][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.659721][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.659828][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.659959][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.660091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.660223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.660356][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.660495][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.660658][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.660828][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.660959][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.661121][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.661252][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.661387][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.661525][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.661657][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.661796][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.661931][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.662064][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.662199][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.662330][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.662464][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.662598][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.662728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.662910][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.663047][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.663177][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.663313][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.663453][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.663584][   T12]  kthread (kernel/kthread.c:436)
[   15.663683][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.663852][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.663982][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.664115][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.664280][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.664412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.664550][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.665805][   T12] ---[ end trace 0000000000000000 ]---
| [   15.667126][   T12] ------------[ cut here ]------------
| [   15.667257][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.667822][   T12] Tainted: [W]=WARN
[   15.667921][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.668086][   T12] Workqueue: netns cleanup_net
[   15.668224][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.668395][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.668870][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.669034][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c25d540 RCX: 1ff4000000018eaf
[   15.669229][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c25d5f8
[   15.669429][   T12] RBP: ff1100000c48c000 R08: 1fe220000184bac0 R09: ff11000001b0d1d0
[   15.669626][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   15.669827][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   15.670023][   T12] FS:  0000000000000000(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[   15.670254][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.670418][   T12] CR2: 00007f576c26ef98 CR3: 0000000021149002 CR4: 0000000000771ef0
[   15.670618][   T12] PKRU: 55555554
[   15.670716][   T12] Call Trace:
[   15.670819][   T12]  <TASK>
[   15.670887][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.671020][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.671152][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.671252][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.671383][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.671516][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.671647][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.671831][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.671962][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.672126][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.672291][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.672422][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.672590][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.672721][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.672862][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.672995][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.673129][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.673262][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.673396][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.673531][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.673665][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.673803][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.673934][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.674069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.674199][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.674330][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.674471][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.674602][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.674738][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.674875][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.675006][   T12]  kthread (kernel/kthread.c:436)
[   15.675105][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.675270][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.675401][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.675538][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.675701][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.675838][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.675969][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.677215][   T12] ---[ end trace 0000000000000000 ]---
| [   15.678749][   T12] ------------[ cut here ]------------
| [   15.678886][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.679419][   T12] Tainted: [W]=WARN
[   15.679521][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.679679][   T12] Workqueue: netns cleanup_net
[   15.679816][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.679980][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.680438][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.680596][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b2b5540 RCX: 1ff4000000018ed5
[   15.680851][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2b55f8
[   15.681101][   T12] RBP: ff1100000c90c000 R08: 1fe2200001656ac0 R09: ff11000001b0d1d0
[   15.681290][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.681483][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.681670][   T12] FS:  0000000000000000(0000) GS:ff11000094c30000(0000) knlGS:0000000000000000
[   15.681946][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.682104][   T12] CR2: 00007f576c26ef98 CR3: 0000000021149002 CR4: 0000000000771ef0
[   15.682293][   T12] PKRU: 55555554
[   15.682388][   T12] Call Trace:
[   15.682486][   T12]  <TASK>
[   15.682551][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.682710][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.682927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.683053][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.683184][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.683311][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.683442][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.683570][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.683699][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.683881][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.684010][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.684137][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.684264][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.684392][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.684523][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.684649][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.684829][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.684955][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.685086][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.685216][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.685342][   T12]  kthread (kernel/kthread.c:436)
[   15.685439][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.685596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.685723][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.685901][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.686058][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.686185][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.686311][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.687559][   T12] ---[ end trace 0000000000000000 ]---
| [   15.688805][   T12] ------------[ cut here ]------------
| [   15.688975][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.689609][   T12] Tainted: [W]=WARN
[   15.689750][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.690054][   T12] Workqueue: netns cleanup_net
[   15.690232][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.690451][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.690961][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.691165][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b2b5a80 RCX: 1ff4000000018ed5
[   15.691399][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b2b5b38
[   15.691640][   T12] RBP: ff11000004cec000 R08: 1fe2200001656b68 R09: ff11000001b0d1d0
[   15.691888][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.692121][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.692356][   T12] FS:  0000000000000000(0000) GS:ff11000094bb0000(0000) knlGS:0000000000000000
[   15.692641][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.692860][   T12] CR2: 000055a66d36b2b8 CR3: 0000000008fcd001 CR4: 0000000000771ef0
[   15.693097][   T12] PKRU: 55555554
[   15.693236][   T12] Call Trace:
[   15.693375][   T12]  <TASK>
[   15.693494][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.693703][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.693965][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.694139][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.694318][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.694501][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.694673][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.694861][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.695035][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.695206][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.695381][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.695565][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.695736][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.695923][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.696095][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.696269][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.696451][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.696623][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.696813][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.696992][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.697163][   T12]  kthread (kernel/kthread.c:436)
[   15.697305][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.697516][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.697688][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.697875][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.698077][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.698254][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.698434][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.699974][   T12] ---[ end trace 0000000000000000 ]---
| [   15.701345][   T12] ------------[ cut here ]------------
| [   15.701524][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.702159][   T12] Tainted: [W]=WARN
[   15.702299][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.702504][   T12] Workqueue: netns cleanup_net
[   15.702684][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.702906][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.703396][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.703607][   T12] RAX: 00000000ffffffa6 RBX: ff110000091ee200 RCX: 1ff4000000018ed5
[   15.703855][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091ee2b8
[   15.704087][   T12] RBP: ff1100000c48c000 R08: 1fe220000123dc58 R09: ff11000001b0d1d0
[   15.704320][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.704560][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.704810][   T12] FS:  0000000000000000(0000) GS:ff11000094bb0000(0000) knlGS:0000000000000000
[   15.705077][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.705280][   T12] CR2: 000055a66d36b2b8 CR3: 0000000008fcd001 CR4: 0000000000771ef0
[   15.705521][   T12] PKRU: 55555554
[   15.705660][   T12] Call Trace:
[   15.705812][   T12]  <TASK>
[   15.705922][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.706129][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.706331][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.706509][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.706686][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.706873][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.707046][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.707223][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.707396][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.707573][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.707748][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.707933][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.708105][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.708278][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.708458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.708631][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.708817][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.708988][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.709163][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.709340][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.709524][   T12]  kthread (kernel/kthread.c:436)
[   15.709665][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.709883][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.710056][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.710229][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.710438][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.710610][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.710794][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.712325][   T12] ---[ end trace 0000000000000000 ]---
| [   15.713541][   T12] ------------[ cut here ]------------
| [   15.713708][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.714341][   T12] Tainted: [W]=WARN
[   15.714489][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.714691][   T12] Workqueue: netns cleanup_net
[   15.714878][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.715087][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.715585][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.715801][   T12] RAX: 00000000ffffffa6 RBX: ff110000091efa80 RCX: 1ff4000000018ed5
[   15.716033][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091efb38
[   15.716267][   T12] RBP: ff1100000a264000 R08: 1fe220000123df68 R09: ff11000001b0d1d0
[   15.716504][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.716736][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.716983][   T12] FS:  0000000000000000(0000) GS:ff11000094bb0000(0000) knlGS:0000000000000000
[   15.717247][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.717459][   T12] CR2: 000055a66d36b2b8 CR3: 0000000008fcd001 CR4: 0000000000771ef0
[   15.717692][   T12] PKRU: 55555554
[   15.717840][   T12] Call Trace:
[   15.717980][   T12]  <TASK>
[   15.718112][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.718317][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.718524][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.718699][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.718887][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.719060][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.719233][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.719407][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.719589][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.719772][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.719948][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.720132][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.720302][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.720482][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.720654][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.720843][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.721018][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.721192][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.721367][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.721551][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.721722][   T12]  kthread (kernel/kthread.c:436)
[   15.721874][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.722076][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.722248][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.722466][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.722736][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.722969][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


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