======================================
| 0
| xx__-> [    8.194080][  T154] ------------[ cut here ]------------
| [    8.194292][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/154
| [    8.194876][  T154] Tainted: [W]=WARN
[    8.195016][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.195183][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.195356][  T154] 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
[    8.195835][  T154] RSP: 0018:ffa0000000767ab0 EFLAGS: 00010286
[    8.196010][  T154] RAX: 00000000ffffffa6 RBX: ff11000008baf540 RCX: 1ff40000000ecf1c
[    8.196210][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008baf5f8
[    8.196410][  T154] RBP: ff110000097a9000 R08: 1fe2200001175ec0 R09: ff1100000d702e80
[    8.196610][  T154] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.196811][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000097a9000
[    8.197016][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[    8.197291][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.197459][  T154] CR2: 0000000000404190 CR3: 000000000df1e004 CR4: 0000000000771ef0
[    8.197658][  T154] PKRU: 55555554
[    8.197758][  T154] Call Trace:
[    8.197861][  T154]  <TASK>
[    8.197937][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.198070][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.198205][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.198307][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.198443][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.198611][  T154]  register_netdev (net/core/dev.c:11552)
[    8.198743][  T154]  loopback_net_init (drivers/net/loopback.c:218)
[    8.198881][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.198990][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.199092][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.199225][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.199361][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.199498][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.199631][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.199771][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.199906][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.200049][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.200183][  T154]  ? generic_file_open (./include/linux/fs.h:1148 (discriminator 4))
[    8.200320][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.200456][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.200592][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.200727][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.200874][  T154]  ? irq_exit_rcu (kernel/softirq.c:754)
[    8.201013][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.201179][  T154] RIP: 0033:0x7f097ddedbcb
[    8.201317][  T154] 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
[    8.201792][  T154] RSP: 002b:00007ffde8002238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.201998][  T154] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f097ddedbcb
[    8.202196][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.202394][  T154] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.202592][  T154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    8.202796][  T154] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000080
| [    8.204142][  T154] ---[ end trace 0000000000000000 ]---
| [    8.207586][  T154] ------------[ cut here ]------------
| [    8.207729][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/154
| [    8.208303][  T154] Tainted: [W]=WARN
[    8.208403][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.208571][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.208743][  T154] 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
[    8.209222][  T154] RSP: 0018:ffa0000000767a98 EFLAGS: 00010286
[    8.209391][  T154] RAX: 00000000ffffffa6 RBX: ff11000004ba18c0 RCX: 1ff40000000ecf19
[    8.209589][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ba1978
[    8.209789][  T154] RBP: ff11000009dbc000 R08: 1fe2200000974330 R09: ff1100000d702e80
[    8.209989][  T154] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.210185][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009dbc000
[    8.210381][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[    8.210611][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.210782][  T154] CR2: 0000000000404190 CR3: 000000000df1e004 CR4: 0000000000771ef0
[    8.211039][  T154] PKRU: 55555554
[    8.211139][  T154] Call Trace:
[    8.211236][  T154]  <TASK>
[    8.211304][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.211436][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.211569][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.211669][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.211806][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.212025][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.212160][  T154]  register_netdev (net/core/dev.c:11552)
[    8.212294][  T154]  sit_init_net (net/ipv6/sit.c:1860)
[    8.212427][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.212528][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.212628][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.212762][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.212895][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.213083][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.213217][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.213351][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.213483][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.213616][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.213748][  T154]  ? generic_file_open (./include/linux/fs.h:1148 (discriminator 4))
[    8.213886][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.214075][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.214206][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.214338][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.214471][  T154]  ? irq_exit_rcu (kernel/softirq.c:754)
[    8.214602][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.214769][  T154] RIP: 0033:0x7f097ddedbcb
[    8.214906][  T154] 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
[    8.215431][  T154] RSP: 002b:00007ffde8002238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.215630][  T154] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f097ddedbcb
[    8.215833][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.216078][  T154] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    8.216274][  T154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    8.216470][  T154] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000080
| [    8.217841][  T154] ---[ end trace 0000000000000000 ]---
| [    8.226646][  T154] ------------[ cut here ]------------
| [    8.226793][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/154
| [    8.227360][  T154] Tainted: [W]=WARN
[    8.227467][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.227634][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.227807][  T154] 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
[    8.228278][  T154] RSP: 0018:ffa0000000767ab0 EFLAGS: 00010286
[    8.228451][  T154] RAX: 00000000ffffffa6 RBX: ff1100000b16b540 RCX: 1ff40000000ecf1c
[    8.228645][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b16b5f8
[    8.228843][  T154] RBP: ff11000007521000 R08: 1fe220000162d6c0 R09: ff1100000d702e80
[    8.229043][  T154] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.229245][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007521000
[    8.229443][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[    8.229672][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.229841][  T154] CR2: 0000000000404190 CR3: 000000000df1e004 CR4: 0000000000771ef0
[    8.230054][  T154] PKRU: 55555554
[    8.230154][  T154] Call Trace:
[    8.230252][  T154]  <TASK>
[    8.230327][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.230460][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.230591][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.230691][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.230828][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.231007][  T154]  register_netdev (net/core/dev.c:11552)
[    8.231142][  T154]  loopback_net_init (drivers/net/loopback.c:218)
[    8.231276][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.231376][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.231477][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.231611][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.231745][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.231886][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.232025][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.232159][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.232292][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.232425][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.232564][  T154]  ? generic_file_open (./include/linux/fs.h:1148 (discriminator 4))
[    8.232699][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.232834][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.232970][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.233103][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.233242][  T154]  ? irq_exit_rcu (kernel/softirq.c:754)
[    8.233377][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.233542][  T154] RIP: 0033:0x7f097ddedbcb
[    8.233685][  T154] 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
[    8.234172][  T154] RSP: 002b:00007ffde8002238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.234368][  T154] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f097ddedbcb
[    8.234564][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.234754][  T154] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    8.234990][  T154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    8.235209][  T154] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000080
| [    8.236546][  T154] ---[ end trace 0000000000000000 ]---
| [    8.239507][  T154] ------------[ cut here ]------------
| [    8.239637][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/154
| [    8.240187][  T154] Tainted: [W]=WARN
[    8.240800][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.240978][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.241158][  T154] 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
[    8.241625][  T154] RSP: 0018:ffa0000000767a98 EFLAGS: 00010286
[    8.241791][  T154] RAX: 00000000ffffffa6 RBX: ff1100000b0d43c0 RCX: 1ff40000000ecf19
[    8.241988][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0d4478
[    8.242179][  T154] RBP: ff110000075d9000 R08: 1fe220000161a890 R09: ff1100000d702e80
[    8.242380][  T154] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.242570][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000075d9000
[    8.242765][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[    8.243042][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.243206][  T154] CR2: 0000000000404190 CR3: 000000000df1e004 CR4: 0000000000771ef0
[    8.243401][  T154] PKRU: 55555554
[    8.243496][  T154] Call Trace:
[    8.243592][  T154]  <TASK>
[    8.243658][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.243792][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.243929][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.244029][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.244159][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.244321][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.244461][  T154]  register_netdev (net/core/dev.c:11552)
[    8.244589][  T154]  sit_init_net (net/ipv6/sit.c:1860)
[    8.244719][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.244822][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.244929][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.245057][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.245185][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.245315][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.245445][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.245578][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.245729][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.245864][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.245997][  T154]  ? generic_file_open (./include/linux/fs.h:1148 (discriminator 4))
[    8.246125][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.246253][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.246386][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.246513][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.246640][  T154]  ? irq_exit_rcu (kernel/softirq.c:754)
[    8.246774][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.246938][  T154] RIP: 0033:0x7f097ddedbcb
[    8.247077][  T154] 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
[    8.247558][  T154] RSP: 002b:00007ffde8002238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    8.247946][  T154] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f097ddedbcb
[    8.248138][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.248329][  T154] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    8.248609][  T154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    8.248801][  T154] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000080
| [    8.250300][  T154] ---[ end trace 0000000000000000 ]---
| [    8.256768][  T154] ------------[ cut here ]------------
| [    8.257016][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: connect-deny_ip/154
| [    8.257590][  T154] Tainted: [W]=WARN
[    8.257711][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.257939][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.258119][  T154] 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
[    8.258610][  T154] RSP: 0018:ffa0000000767020 EFLAGS: 00010286
[    8.258779][  T154] RAX: 00000000ffffffa6 RBX: ff11000008f31380 RCX: 1ff40000000ecdca
[    8.258988][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f31438
[    8.259183][  T154] RBP: ff1100000d0b1000 R08: 1fe22000011e6288 R09: ff1100000d702e80
[    8.259385][  T154] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.259579][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000901c40c
[    8.259779][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[    8.260077][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.260246][  T154] CR2: 0000000000404190 CR3: 000000000df1e004 CR4: 0000000000771ef0
[    8.260443][  T154] PKRU: 55555554
[    8.260541][  T154] Call Trace:
[    8.260639][  T154]  <TASK>
[    8.260706][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.260841][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.260977][  T154]  ? 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)
[    8.261114][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.261213][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.261344][  T154]  __dev_notify_flags (net/core/dev.c:9787)
[    8.261475][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.261609][  T154]  ? netif_change_name (net/core/dev.c:1495)
[    8.261768][  T154]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.261901][  T154]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.262100][  T154]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    8.262288][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.262421][  T154]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.262553][  T154]  veth_newlink (drivers/net/veth.c:1871)
[    8.262688][  T154]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    8.262824][  T154]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.263020][  T154]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.263151][  T154]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.263300][  T154]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.263437][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.263570][  T154]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.263699][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.263834][  T154]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.264060][  T154]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.264194][  T154]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.264324][  T154]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.264456][  T154]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.264592][  T154]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.264727][  T154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.264870][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.265056][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.265186][  T154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.265319][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.265450][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.265584][  T154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.265714][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.265852][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.266037][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.266167][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.266296][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.266427][  T154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.266559][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.266698][  T154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.266833][  T154]  ? 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))
[    8.267018][  T154]  ? 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))
[    8.267149][  T154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.267281][  T154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.267411][  T154]  ? 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))
[    8.267542][  T154]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.267681][  T154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.267835][  T154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.268020][  T154]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    8.268188][  T154]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.268349][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.268480][  T154]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.268617][  T154]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.268752][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.268891][  T154]  ? update_socket_protocol+0x10/0x10
[    8.269078][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.269208][  T154]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.269339][  T154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.269509][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.269639][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.269776][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.269907][  T154]  ? irq_exit_rcu (kernel/softirq.c:754)
[    8.270096][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.270257][  T154] RIP: 0033:0x7f097dd6508e
[    8.270400][  T154] 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
[    8.270867][  T154] RSP: 002b:00007ffde8001930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.271120][  T154] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f097dd6508e
[    8.271321][  T154] RDX: 0000000000000078 RSI: 00007ffde80019c0 RDI: 0000000000000008
[    8.271515][  T154] RBP: 00007ffde8001940 R08: 0000000000000000 R09: 0000000000000000
[    8.271711][  T154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    8.271907][  T154] R13: 0000000000000045 R14: 000000000040e909 R15: 0000000000000080
| [    8.273363][  T154] ---[ end trace 0000000000000000 ]---
| [    8.291262][  T154] ------------[ cut here ]------------
| [    8.291427][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.292005][  T154] Tainted: [W]=WARN
[    8.292104][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.292268][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.292443][  T154] 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
[    8.292914][  T154] RSP: 0018:ffa00000007673a0 EFLAGS: 00010286
[    8.293079][  T154] RAX: 00000000ffffffa6 RBX: ff11000008a1ac80 RCX: 1ff40000000ece3a
[    8.293277][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008a1ad38
[    8.293477][  T154] RBP: ff1100000d5f4000 R08: 1fe22000011435a8 R09: ff1100000d702e80
[    8.293669][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.293863][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.294070][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.294295][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.294458][  T154] CR2: 00007f8505ce7000 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.294655][  T154] PKRU: 55555554
[    8.294753][  T154] Call Trace:
[    8.294854][  T154]  <TASK>
[    8.294926][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.295063][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.295193][  T154]  ? 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)
[    8.295323][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.295456][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.295587][  T154]  __dev_notify_flags (net/core/dev.c:9787)
[    8.295719][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.295853][  T154]  ? netif_change_name (net/core/dev.c:1495)
[    8.295988][  T154]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.296119][  T154]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.296247][  T154]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.296376][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.296507][  T154]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.296638][  T154]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.296778][  T154]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.296908][  T154]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.297043][  T154]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.297176][  T154]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.297309][  T154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.297441][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.297570][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.297699][  T154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.297854][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.297989][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.298119][  T154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.298247][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.298377][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.298506][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.298636][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.298769][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.298905][  T154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.299040][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.299171][  T154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.299305][  T154]  ? 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))
[    8.299436][  T154]  ? 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))
[    8.299568][  T154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.299699][  T154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.299837][  T154]  ? 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))
[    8.299973][  T154]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.300103][  T154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.300233][  T154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.300364][  T154]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6))
[    8.300523][  T154]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[    8.300682][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.300821][  T154]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.300956][  T154]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.301089][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.301223][  T154]  ? update_socket_protocol+0x10/0x10
[    8.301352][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.301483][  T154]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.301611][  T154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.301782][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.301916][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.302045][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.302174][  T154]  ? irq_exit_rcu (kernel/softirq.c:754)
[    8.302303][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.302464][  T154] RIP: 0033:0x7f097dd6508e
[    8.302598][  T154] 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
[    8.303125][  T154] RSP: 002b:00007ffde8001930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.303320][  T154] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f097dd6508e
[    8.303514][  T154] RDX: 0000000000000078 RSI: 00007ffde80019c0 RDI: 0000000000000008
[    8.303711][  T154] RBP: 00007ffde8001940 R08: 0000000000000000 R09: 0000000000000000
[    8.303907][  T154] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    8.304156][  T154] R13: 0000000000000045 R14: 000000000040e909 R15: 0000000000000080
| [    8.305648][  T154] ---[ end trace 0000000000000000 ]---
| [    8.311696][   T12] ------------[ cut here ]------------
| [    8.311873][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.312445][   T12] Tainted: [W]=WARN
[    8.312535][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.312685][   T12] Workqueue: netns cleanup_net
[    8.312822][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.312991][   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
[    8.313419][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    8.313569][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a713540 RCX: 1ff4000000018eed
[    8.313747][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a7135f8
[    8.313935][   T12] RBP: ff11000009dbc000 R08: 1fe22000014e26c0 R09: ff11000001b0d1d0
[    8.314113][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.314292][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.314469][   T12] FS:  0000000000000000(0000) GS:ff110000856b0000(0000) knlGS:0000000000000000
[    8.314675][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.314868][   T12] CR2: 000055d10456f400 CR3: 000000000de7a005 CR4: 0000000000771ef0
[    8.315056][   T12] PKRU: 55555554
[    8.315146][   T12] Call Trace:
[    8.315236][   T12]  <TASK>
[    8.315297][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.315448][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.315596][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    8.315715][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    8.315837][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.315960][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    8.316079][   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)
[    8.316196][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.316314][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.316430][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.316552][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.316668][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.316786][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.316907][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.317059][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.317185][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.317304][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.317425][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.317551][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.317676][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.317805][   T12]  kthread (kernel/kthread.c:436)
[    8.317896][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.318054][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.318171][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.318290][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.318437][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.318560][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.318677][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.319819][   T12] ---[ end trace 0000000000000000 ]---
| [    8.327086][  T154] ------------[ cut here ]------------
| [    8.327234][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.327797][  T154] Tainted: [W]=WARN
[    8.327895][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.328063][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.328230][  T154] 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
[    8.328692][  T154] RSP: 0018:ffa0000000767ab0 EFLAGS: 00010286
[    8.328861][  T154] RAX: 00000000ffffffa6 RBX: ff1100000c7118c0 RCX: 1ff40000000ecf1c
[    8.329059][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c711978
[    8.329254][  T154] RBP: ff1100000d3c9000 R08: 1fe22000018e2330 R09: ff1100000d702e80
[    8.329446][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.329638][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d3c9000
[    8.329833][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.330066][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.330228][  T154] CR2: 000000001bb49018 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.330421][  T154] PKRU: 55555554
[    8.330517][  T154] Call Trace:
[    8.330614][  T154]  <TASK>
[    8.330679][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.330810][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.330958][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.331057][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.331187][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.331351][  T154]  register_netdev (net/core/dev.c:11552)
[    8.331485][  T154]  loopback_net_init (drivers/net/loopback.c:218)
[    8.331619][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.331718][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.331825][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.331955][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.332082][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.332211][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.332340][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.332484][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.332614][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.332749][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.332880][  T154]  ? ksys_write (fs/read_write.c:740)
[    8.333015][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.333142][  T154]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.333272][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.333400][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.333527][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.333655][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.333791][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.333926][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.334086][  T154] RIP: 0033:0x7f097ddedbcb
[    8.334220][  T154] 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
[    8.334682][  T154] RSP: 002b:00007ffde8002298 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.334877][  T154] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f097ddedbcb
[    8.335072][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.335264][  T154] RBP: 000000006a10ea2b R08: 0000000000000000 R09: 0000000000000000
[    8.335456][  T154] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    8.335649][  T154] R13: 0100000000000000 R14: 0000000000000016 R15: 0000000000000080
| [    8.336939][  T154] ---[ end trace 0000000000000000 ]---
| [    8.339789][  T154] ------------[ cut here ]------------
| [    8.339933][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.340474][  T154] Tainted: [W]=WARN
[    8.340571][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.340733][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.340902][  T154] 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
[    8.341356][  T154] RSP: 0018:ffa0000000767a98 EFLAGS: 00010286
[    8.341515][  T154] RAX: 00000000ffffffa6 RBX: ff1100000c710900 RCX: 1ff40000000ecf19
[    8.341709][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c7109b8
[    8.341901][  T154] RBP: ff1100000d404000 R08: 1fe22000018e2138 R09: ff1100000d702e80
[    8.342097][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.342285][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d404000
[    8.342477][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.342697][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.342860][  T154] CR2: 000000001bb49018 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.343053][  T154] PKRU: 55555554
[    8.343148][  T154] Call Trace:
[    8.343244][  T154]  <TASK>
[    8.343312][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.343439][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.343566][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.343662][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.343796][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.343956][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.344084][  T154]  register_netdev (net/core/dev.c:11552)
[    8.344214][  T154]  sit_init_net (net/ipv6/sit.c:1860)
[    8.344342][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.344439][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.344535][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.344662][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.344791][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.344925][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.345055][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.345185][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.345312][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.345440][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.345566][  T154]  ? ksys_write (fs/read_write.c:740)
[    8.345694][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.345823][  T154]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.345958][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.346085][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.346213][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.346340][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.346469][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.346597][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.346754][  T154] RIP: 0033:0x7f097ddedbcb
[    8.346888][  T154] 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
[    8.347347][  T154] RSP: 002b:00007ffde8002298 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.347538][  T154] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f097ddedbcb
[    8.347823][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.348022][  T154] RBP: 000000006a10ea2b R08: 0000000000000000 R09: 0000000000000000
[    8.348212][  T154] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    8.348488][  T154] R13: 0100000000000000 R14: 0000000000000016 R15: 0000000000000080
| [    8.349853][  T154] ---[ end trace 0000000000000000 ]---
| [    8.365127][  T154] ------------[ cut here ]------------
| [    8.365277][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.365853][  T154] Tainted: [W]=WARN
[    8.366178][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.366340][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.366505][  T154] 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
[    8.366974][  T154] RSP: 0018:ffa0000000767ab0 EFLAGS: 00010286
[    8.367138][  T154] RAX: 00000000ffffffa6 RBX: ff1100000b16ac80 RCX: 1ff40000000ecf1c
[    8.367329][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b16ad38
[    8.367520][  T154] RBP: ff1100000d164000 R08: 1fe220000162d5a8 R09: ff1100000d702e80
[    8.367719][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.367919][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d164000
[    8.368111][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.368334][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.368499][  T154] CR2: 000000001bb49018 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.368691][  T154] PKRU: 55555554
[    8.368792][  T154] Call Trace:
[    8.368889][  T154]  <TASK>
[    8.368958][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.369086][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.369214][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.369311][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.369443][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.369605][  T154]  register_netdev (net/core/dev.c:11552)
[    8.369733][  T154]  loopback_net_init (drivers/net/loopback.c:218)
[    8.369867][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.369970][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.370068][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.370196][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.370329][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.370459][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.370587][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.370716][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.370847][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.370980][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.371106][  T154]  ? ksys_write (fs/read_write.c:740)
[    8.371238][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.371368][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.371495][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.371623][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.371751][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.371885][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.372017][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.372176][  T154] RIP: 0033:0x7f097ddedbcb
[    8.372313][  T154] 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
[    8.372782][  T154] RSP: 002b:00007ffde8002298 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.372980][  T154] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f097ddedbcb
[    8.373175][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.373366][  T154] RBP: 000000006a10ea2b R08: 0000000000000000 R09: 0000000000000000
[    8.373557][  T154] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    8.373749][  T154] R13: 0100000000000000 R14: 0000000000000016 R15: 0000000000000080
| [    8.375048][  T154] ---[ end trace 0000000000000000 ]---
| [    8.375726][   T12] ------------[ cut here ]------------
| [    8.375857][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.376369][   T12] Tainted: [W]=WARN
[    8.376458][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.376606][   T12] Workqueue: netns cleanup_net
[    8.376730][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.376888][   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
[    8.377319][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.377474][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ba1e00 RCX: 1ff4000000018ed5
[    8.377648][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ba1eb8
[    8.377829][   T12] RBP: ff1100000d5f4000 R08: 1fe22000009743d8 R09: ff11000001b0d1d0
[    8.378009][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.378184][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.378363][   T12] FS:  0000000000000000(0000) GS:ff110000856b0000(0000) knlGS:0000000000000000
[    8.378576][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.378725][   T12] CR2: 000055d10456f400 CR3: 000000000de7a005 CR4: 0000000000771ef0
[    8.378908][   T12] PKRU: 55555554
[    8.379003][   T12] Call Trace:
[    8.379090][   T12]  <TASK>
[    8.379150][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.379301][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.379449][   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)
[    8.379568][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.379686][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.379843][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.379968][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.380086][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.380208][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.380328][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.380449][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.380569][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.380687][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.380810][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.380935][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.381050][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.381175][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.381296][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.381417][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.381538][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.381657][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.381777][   T12]  kthread (kernel/kthread.c:436)
[    8.381867][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.382020][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.382139][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.382263][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.382408][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.382526][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.382645][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.383775][   T12] ---[ end trace 0000000000000000 ]---
| [    8.384937][   T12] ------------[ cut here ]------------
| [    8.385056][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.385555][   T12] Tainted: [W]=WARN
[    8.385644][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.385796][   T12] Workqueue: netns cleanup_net
[    8.385925][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.386078][   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
[    8.386508][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.386656][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ba03c0 RCX: 1ff4000000018ed5
[    8.386836][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ba0478
[    8.387023][   T12] RBP: ff1100000d0b1000 R08: 1fe2200000974090 R09: ff11000001b0d1d0
[    8.387203][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.387378][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.387554][   T12] FS:  0000000000000000(0000) GS:ff110000856b0000(0000) knlGS:0000000000000000
[    8.387765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.387933][   T12] CR2: 000055d10456f400 CR3: 000000000de7a005 CR4: 0000000000771ef0
[    8.388111][   T12] PKRU: 55555554
[    8.388198][   T12] Call Trace:
[    8.388291][   T12]  <TASK>
[    8.388352][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.388501][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.388648][   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)
[    8.388771][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.388887][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.389041][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.389160][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.389279][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.389399][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.389519][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.389638][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.389759][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.389881][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.390005][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.390122][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.390239][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.390358][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.390480][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.390599][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.390719][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.390843][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.390968][   T12]  kthread (kernel/kthread.c:436)
[    8.391057][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.391203][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.391320][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.391440][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.391592][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.391710][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.391835][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.392958][   T12] ---[ end trace 0000000000000000 ]---
| [    8.393994][   T12] ------------[ cut here ]------------
| [    8.394113][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.394606][   T12] Tainted: [W]=WARN
[    8.394696][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.394853][   T12] Workqueue: netns cleanup_net
[    8.394981][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.395133][   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
[    8.395553][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.395701][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0d58c0 RCX: 1ff4000000018ed5
[    8.395882][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0d5978
[    8.396064][   T12] RBP: ff110000097a9000 R08: 1fe220000161ab30 R09: ff11000001b0d1d0
[    8.396243][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.396420][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.396596][   T12] FS:  0000000000000000(0000) GS:ff110000856b0000(0000) knlGS:0000000000000000
[    8.396805][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.396961][   T12] CR2: 000055d10456f400 CR3: 000000000de7a005 CR4: 0000000000771ef0
[    8.397136][   T12] PKRU: 55555554
[    8.397223][   T12] Call Trace:
[    8.397311][   T12]  <TASK>
[    8.397372][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.397522][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.397673][   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)
[    8.397795][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.397919][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.398070][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.398189][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.398308][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.398428][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.398547][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.398666][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.398791][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.398916][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.399033][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.399153][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.399276][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.399394][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.399516][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.399633][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.399758][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.399886][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.400010][   T12]  kthread (kernel/kthread.c:436)
[    8.400099][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.400250][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.400369][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.400488][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.400639][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.400846][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.400971][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.402253][   T12] ---[ end trace 0000000000000000 ]---
| [    8.406155][  T154] ------------[ cut here ]------------
| [    8.406309][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.406864][  T154] Tainted: [W]=WARN
[    8.406968][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.407127][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.407299][  T154] 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
[    8.407753][  T154] RSP: 0018:ffa0000000767a98 EFLAGS: 00010286
[    8.407924][  T154] RAX: 00000000ffffffa6 RBX: ff11000009160740 RCX: 1ff40000000ecf19
[    8.408119][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091607f8
[    8.408309][  T154] RBP: ff11000008864000 R08: 1fe220000122c100 R09: ff1100000d702e80
[    8.408498][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.408687][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008864000
[    8.408890][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.409119][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.409278][  T154] CR2: 000000001bb49018 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.409469][  T154] PKRU: 55555554
[    8.409564][  T154] Call Trace:
[    8.409659][  T154]  <TASK>
[    8.409724][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.409861][  T154]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.409996][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.410093][  T154]  register_netdevice (net/core/dev.c:11488)
[    8.410222][  T154]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.410380][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.410508][  T154]  register_netdev (net/core/dev.c:11552)
[    8.410640][  T154]  sit_init_net (net/ipv6/sit.c:1860)
[    8.410773][  T154]  ops_init (net/core/net_namespace.c:137)
[    8.410870][  T154]  setup_net (net/core/net_namespace.c:446)
[    8.410973][  T154]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    8.411099][  T154]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    8.411226][  T154]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    8.411355][  T154]  copy_net_ns (net/core/net_namespace.c:579)
[    8.411484][  T154]  create_new_namespaces (kernel/nsproxy.c:132)
[    8.411618][  T154]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    8.411746][  T154]  ksys_unshare (kernel/fork.c:3243)
[    8.411880][  T154]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    8.412020][  T154]  ? ksys_write (fs/read_write.c:740)
[    8.412148][  T154]  ? __ia32_sys_open (fs/open.c:1374)
[    8.412277][  T154]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    8.412402][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.412533][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.412659][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.412790][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.412922][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.413079][  T154] RIP: 0033:0x7f097ddedbcb
[    8.413213][  T154] 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
[    8.413676][  T154] RSP: 002b:00007ffde8002298 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    8.413871][  T154] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f097ddedbcb
[    8.414066][  T154] RDX: 0000000000000000 RSI: 000000000040eb04 RDI: 0000000040000000
[    8.414254][  T154] RBP: 000000006a10ea2b R08: 0000000000000000 R09: 0000000000000000
[    8.414446][  T154] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    8.414633][  T154] R13: 0100000000000000 R14: 0000000000000016 R15: 0000000000000080
| [    8.415927][  T154] ---[ end trace 0000000000000000 ]---
| [    8.435199][   T12] ------------[ cut here ]------------
| [    8.435328][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.435833][   T12] Tainted: [W]=WARN
[    8.435931][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.436082][   T12] Workqueue: netns cleanup_net
[    8.436210][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.436362][   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
[    8.436788][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[    8.436942][   T12] RAX: 00000000ffffffa6 RBX: ff11000009161540 RCX: 1ff4000000018eed
[    8.437118][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091615f8
[    8.437296][   T12] RBP: ff110000075d9000 R08: 1fe220000122c2c0 R09: ff11000001b0d1d0
[    8.437475][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.437651][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.437833][   T12] FS:  0000000000000000(0000) GS:ff110000856b0000(0000) knlGS:0000000000000000
[    8.438047][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.438196][   T12] CR2: 000055d10456f400 CR3: 000000000de7a005 CR4: 0000000000771ef0
[    8.438375][   T12] PKRU: 55555554
[    8.438465][   T12] Call Trace:
[    8.438558][   T12]  <TASK>
[    8.438620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.438773][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.438924][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[    8.439043][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[    8.439166][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[    8.439288][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[    8.439413][   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)
[    8.439531][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.439652][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.439771][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.439892][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.440016][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.440134][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.440253][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.440371][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.440492][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.440614][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.440732][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.440856][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.440985][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.441102][   T12]  kthread (kernel/kthread.c:436)
[    8.441191][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.441340][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.441459][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.441577][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.441726][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.441848][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.442101][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.443240][   T12] ---[ end trace 0000000000000000 ]---
| [    8.454207][   T12] ------------[ cut here ]------------
| [    8.454343][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [    8.454865][   T12] Tainted: [W]=WARN
[    8.454963][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.455117][   T12] Workqueue: netns cleanup_net
[    8.455242][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.455397][   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
[    8.455829][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[    8.456024][   T12] RAX: 00000000ffffffa6 RBX: ff11000009161c40 RCX: 1ff4000000018ed5
[    8.456203][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009161cf8
[    8.456382][   T12] RBP: ff11000007521000 R08: 1fe220000122c3a0 R09: ff11000001b0d1d0
[    8.456561][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    8.456739][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.456924][   T12] FS:  0000000000000000(0000) GS:ff110000856b0000(0000) knlGS:0000000000000000
[    8.457134][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.457285][   T12] CR2: 000055d10456f400 CR3: 000000000de7a005 CR4: 0000000000771ef0
[    8.457465][   T12] PKRU: 55555554
[    8.457555][   T12] Call Trace:
[    8.457644][   T12]  <TASK>
[    8.457705][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.457861][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.458015][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.458139][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.458261][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[    8.458386][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[    8.458507][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.458628][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[    8.458748][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.458879][   T12]  cleanup_net (net/core/net_namespace.c:702)
[    8.459006][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[    8.459125][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[    8.459246][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.459365][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.459488][   T12]  process_one_work (kernel/workqueue.c:3314)
[    8.459611][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.459731][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.459862][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.459991][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.460110][   T12]  kthread (kernel/kthread.c:436)
[    8.460200][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.460354][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.460478][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.460598][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.460750][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.460875][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.461000][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.462164][   T12] ---[ end trace 0000000000000000 ]---
| [    8.530208][  T154] ------------[ cut here ]------------
| [    8.530403][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.530975][  T154] Tainted: [W]=WARN
[    8.531108][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.531280][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.531453][  T154] 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
[    8.531924][  T154] RSP: 0018:ffa0000000767020 EFLAGS: 00010286
[    8.532093][  T154] RAX: 00000000ffffffa6 RBX: ff110000090b9540 RCX: 1ff40000000ecdca
[    8.532332][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000090b95f8
[    8.532529][  T154] RBP: ff1100000c6b9000 R08: 1fe22000012172c0 R09: ff1100000d702e80
[    8.532725][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.532927][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000be9408c
[    8.533166][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.533399][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.533563][  T154] CR2: 000000001bb5f218 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.533760][  T154] PKRU: 55555554
[    8.533862][  T154] Call Trace:
[    8.534375][  T154]  <TASK>
[    8.534444][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.534577][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.534741][  T154]  ? 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)
[    8.534952][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.535109][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.535313][  T154]  __dev_notify_flags (net/core/dev.c:9787)
[    8.535519][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.535724][  T154]  ? netif_change_name (net/core/dev.c:1495)
[    8.535940][  T154]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.536146][  T154]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.536350][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.536556][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.536766][  T154]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.536980][  T154]  veth_newlink (drivers/net/veth.c:1871)
[    8.537215][  T154]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    8.537423][  T154]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.537631][  T154]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.537847][  T154]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    8.538087][  T154]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    8.538291][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    8.538664][  T154]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.538878][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.539089][  T154]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    8.539298][  T154]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    8.539509][  T154]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.539714][  T154]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.539929][  T154]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.540145][  T154]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.540362][  T154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.540572][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.540781][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.540992][  T154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.541209][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.541441][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.541656][  T154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.541866][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.542080][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.542286][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.542497][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.542700][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.543082][  T154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.543287][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.543498][  T154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.543709][  T154]  ? 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))
[    8.543927][  T154]  ? 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))
[    8.544136][  T154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.544351][  T154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.544559][  T154]  ? 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))
[    8.544770][  T154]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.544986][  T154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.545198][  T154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.545431][  T154]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.545637][  T154]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.545857][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.546076][  T154]  ? update_socket_protocol+0x10/0x10
[    8.546279][  T154]  ? alloc_file_clone (fs/file_table.c:477)
[    8.546489][  T154]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.546694][  T154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.546960][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.547167][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.547373][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.547576][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.547787][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.547997][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.548252][  T154] RIP: 0033:0x7f097dd70e32
[    8.548462][  T154] 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)
[    8.549020][  T154] RSP: 002b:00007ffde8001978 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.549218][  T154] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f097dd70e32
[    8.549414][  T154] RDX: 0000000000000078 RSI: 00007ffde8001a20 RDI: 0000000000000009
[    8.549613][  T154] RBP: 00007ffde80019a0 R08: 0000000000000000 R09: 0000000000000000
[    8.549819][  T154] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    8.550020][  T154] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000080
| [    8.551372][  T154] ---[ end trace 0000000000000000 ]---
| [    8.565161][  T154] ------------[ cut here ]------------
| [    8.565336][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.565893][  T154] Tainted: [W]=WARN
[    8.565999][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.566162][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.566329][  T154] 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
[    8.566800][  T154] RSP: 0018:ffa00000007673a0 EFLAGS: 00010286
[    8.567091][  T154] RAX: 00000000ffffffa6 RBX: ff1100000ddc63c0 RCX: 1ff40000000ece3a
[    8.567285][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ddc6478
[    8.567507][  T154] RBP: ff1100000c6b4000 R08: 1fe2200001bb8c90 R09: ff1100000d702e80
[    8.567701][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.567898][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.568098][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.568325][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.568489][  T154] CR2: 000000001bb5f218 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.568684][  T154] PKRU: 55555554
[    8.568799][  T154] Call Trace:
[    8.568898][  T154]  <TASK>
[    8.568970][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.569099][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.569228][  T154]  ? 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)
[    8.569373][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.569472][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.569602][  T154]  __dev_notify_flags (net/core/dev.c:9787)
[    8.569732][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.569866][  T154]  ? netif_change_name (net/core/dev.c:1495)
[    8.570002][  T154]  ? __dev_change_flags (net/core/dev.c:9739)
[    8.570132][  T154]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.570262][  T154]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    8.570391][  T154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    8.570523][  T154]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    8.570654][  T154]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    8.570791][  T154]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    8.570932][  T154]  ? __dev_get_by_name (net/core/dev.c:883)
[    8.571062][  T154]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[    8.571200][  T154]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    8.571339][  T154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.571478][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.571608][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.571737][  T154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.571876][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.572013][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.572148][  T154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.572287][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.572418][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.572549][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.572684][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.572881][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.573024][  T154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.573159][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.573289][  T154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.573424][  T154]  ? 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))
[    8.573553][  T154]  ? 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))
[    8.573684][  T154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.573829][  T154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.573969][  T154]  ? 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))
[    8.574104][  T154]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.574236][  T154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.574373][  T154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.574507][  T154]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.574641][  T154]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.574785][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.574928][  T154]  ? update_socket_protocol+0x10/0x10
[    8.575058][  T154]  ? alloc_file_clone (fs/file_table.c:477)
[    8.575191][  T154]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.575322][  T154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.575489][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.575624][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.575757][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.575894][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.576031][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.576161][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.576328][  T154] RIP: 0033:0x7f097dd70e32
[    8.576470][  T154] 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)
[    8.576940][  T154] RSP: 002b:00007ffde8001978 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.577136][  T154] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f097dd70e32
[    8.577338][  T154] RDX: 0000000000000078 RSI: 00007ffde8001a20 RDI: 0000000000000009
[    8.577538][  T154] RBP: 00007ffde80019a0 R08: 0000000000000000 R09: 0000000000000000
[    8.577755][  T154] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    8.577955][  T154] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000080
| [    8.579283][  T154] ---[ end trace 0000000000000000 ]---
| [    8.579981][  T154] ------------[ cut here ]------------
| [    8.580119][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.580682][  T154] Tainted: [W]=WARN
[    8.580783][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.580948][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.581112][  T154] 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
[    8.581566][  T154] RSP: 0018:ffa0000000767220 EFLAGS: 00010286
[    8.581725][  T154] RAX: 00000000ffffffa6 RBX: ff1100000ddc6900 RCX: 1ff40000000ece0a
[    8.581946][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ddc69b8
[    8.582138][  T154] RBP: ff1100000c6b9000 R08: 1fe2200001bb8d38 R09: ff1100000d702e58
[    8.582328][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    8.582517][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c6b9ce1
[    8.582713][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.583015][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.583175][  T154] CR2: 000000001bb5f218 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.583366][  T154] PKRU: 55555554
[    8.583461][  T154] Call Trace:
[    8.583572][  T154]  <TASK>
[    8.583643][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.583777][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.583967][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.584098][  T154]  __dev_notify_flags (net/core/dev.c:9787)
[    8.584227][  T154]  ? netif_change_name (net/core/dev.c:1495)
[    8.584354][  T154]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.584482][  T154]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.584609][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.584736][  T154]  ? 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))
[    8.584870][  T154]  netif_change_flags (net/core/dev.c:9820)
[    8.585023][  T154]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.585162][  T154]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.585290][  T154]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.585449][  T154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.585576][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.585704][  T154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.585836][  T154]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.585972][  T154]  ? __kernel_text_address (kernel/extable.c:79)
[    8.586100][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.586230][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.586357][  T154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.586485][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.586629][  T154]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.586767][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.586896][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.587028][  T154]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.587157][  T154]  ? __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)
[    8.587284][  T154]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.587412][  T154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.587540][  T154]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.587669][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.587803][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.587939][  T154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.588068][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.588195][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.588324][  T154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.588452][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.588579][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.588707][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.588840][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.588987][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.589115][  T154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.589248][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.589376][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.589502][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.589631][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.589758][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.589891][  T154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.590022][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.590150][  T154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.590319][  T154]  ? 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))
[    8.590447][  T154]  ? 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))
[    8.590575][  T154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.590707][  T154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.590846][  T154]  ? 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))
[    8.590983][  T154]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.591113][  T154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.591245][  T154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.591379][  T154]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.591510][  T154]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.591648][  T154]  ? fput_close_sync (fs/file_table.c:615)
[    8.591784][  T154]  ? alloc_file_clone (fs/file_table.c:477)
[    8.591920][  T154]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.592051][  T154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.592214][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.592344][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.592474][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.592603][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.592732][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.592869][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.593037][  T154] RIP: 0033:0x7f097dd70e32
[    8.593174][  T154] 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)
[    8.593627][  T154] RSP: 002b:00007ffde8001988 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.593825][  T154] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f097dd70e32
[    8.594020][  T154] RDX: 0000000000000020 RSI: 00007ffde8001a00 RDI: 0000000000000009
[    8.594308][  T154] RBP: 00007ffde80019b0 R08: 0000000000000000 R09: 0000000000000000
[    8.594499][  T154] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000021d36672
[    8.594782][  T154] R13: 0100000000000000 R14: 00005402b80d0120 R15: 0100000000000000
| [    8.596291][  T154] ---[ end trace 0000000000000000 ]---
| [    8.598620][  T154] ------------[ cut here ]------------
| [    8.598774][  T154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: connect-deny_ip/154
| [    8.599436][  T154] Tainted: [W]=WARN
[    8.599618][  T154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.599781][  T154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.600014][  T154] 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
[    8.600468][  T154] RSP: 0018:ffa0000000767220 EFLAGS: 00010286
[    8.600715][  T154] RAX: 00000000ffffffa6 RBX: ff1100000a77e200 RCX: 1ff40000000ece0a
[    8.600908][  T154] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a77e2b8
[    8.601172][  T154] RBP: ff1100000c6b4000 R08: 1fe22000014efc58 R09: ff1100000d702e58
[    8.601416][  T154] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[    8.601603][  T154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c6b4ce1
[    8.601799][  T154] FS:  00007f097dcf2780(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[    8.602184][  T154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.602342][  T154] CR2: 00007f097d4eecd4 CR3: 000000000df1e003 CR4: 0000000000771ef0
[    8.602531][  T154] PKRU: 55555554
[    8.602625][  T154] Call Trace:
[    8.602815][  T154]  <TASK>
[    8.602883][  T154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.603126][  T154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.603225][  T154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.603352][  T154]  __dev_notify_flags (net/core/dev.c:9787)
[    8.603482][  T154]  ? netif_change_name (net/core/dev.c:1495)
[    8.603716][  T154]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.603859][  T154]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[    8.604078][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.604208][  T154]  ? 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))
[    8.604335][  T154]  netif_change_flags (net/core/dev.c:9820)
[    8.604547][  T154]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.604676][  T154]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.604809][  T154]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.605147][  T154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.605276][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.605404][  T154]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.605531][  T154]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.605659][  T154]  ? __kernel_text_address (kernel/extable.c:79)
[    8.605828][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.606133][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.606260][  T154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.606390][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.606516][  T154]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.606642][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.606866][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.607088][  T154]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.607217][  T154]  ? __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)
[    8.607344][  T154]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.607471][  T154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.607685][  T154]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.607822][  T154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.608032][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.608161][  T154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.608290][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.608500][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.608626][  T154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.608755][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.608889][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.609025][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.609152][  T154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.609304][  T154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.609435][  T154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.609562][  T154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.609688][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.609820][  T154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.609955][  T154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.610178][  T154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.610306][  T154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.610432][  T154]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[    8.610558][  T154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.610778][  T154]  ? 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))
[    8.610904][  T154]  ? 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))
[    8.611038][  T154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.611166][  T154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.611376][  T154]  ? 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))
[    8.611503][  T154]  ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:827)
[    8.611630][  T154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.611759][  T154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.611980][  T154]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    8.612109][  T154]  ? __ia32_sys_getpeername (net/socket.c:2219)
[    8.612242][  T154]  ? fput_close_sync (fs/file_table.c:615)
[    8.612369][  T154]  ? alloc_file_clone (fs/file_table.c:477)
[    8.612581][  T154]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    8.612709][  T154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.612872][  T154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    8.613089][  T154]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    8.613218][  T154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.613345][  T154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.613471][  T154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.613598][  T154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.613878][  T154] RIP: 0033:0x7f097dd70e32
[    8.614020][  T154] 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)
[    8.614561][  T154] RSP: 002b:00007ffde8001988 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    8.614754][  T154] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f097dd70e32
[    8.615040][  T154] RDX: 0000000000000020 RSI: 00007ffde8001a00 RDI: 0000000000000009
[    8.615229][  T154] RBP: 00007ffde80019b0 R08: 0000000000000000 R09: 0000000000000000
[    8.615418][  T154] R10: 0000000000000000 R11: 0000000000000246 R12: 000000005f840bf8
[    8.615696][  T154] R13: 0100000000000000 R14: 00000100b80d0120 R15: 0100000000000000
| [    8.617143][  T154] ---[ end trace 0000000000000000 ]---
| [    8.618512][   T37] ------------[ cut here ]------------
| [    8.618670][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/37
| [    8.619214][   T37] Tainted: [W]=WARN
[    8.619306][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.619454][   T37] Workqueue: events_unbound linkwatch_event
[    8.619608][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.619768][   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
[    8.620209][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[    8.620358][   T37] RAX: 00000000ffffffa6 RBX: ff1100000a77f540 RCX: 1ff4000000053f02
[    8.620535][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a77f5f8
[    8.620713][   T37] RBP: ff1100000c6b9000 R08: 1fe22000014efec0 R09: ff11000001d90ba8
[    8.620895][   T37] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[    8.621090][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.621277][   T37] FS:  0000000000000000(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[    8.621542][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.621692][   T37] CR2: 00007f0978001908 CR3: 000000000df1e004 CR4: 0000000000771ef0
[    8.621877][   T37] PKRU: 55555554
[    8.621975][   T37] Call Trace:
[    8.622063][   T37]  <TASK>
[    8.622126][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.622246][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[    8.622408][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.622500][   T37]  netif_state_change (net/core/dev.c:1605)
[    8.622620][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    8.622773][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    8.622935][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    8.623057][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.623178][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    8.623296][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    8.623417][   T37]  process_one_work (kernel/workqueue.c:3314)
[    8.623540][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    8.623659][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.623786][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.623950][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    8.624068][   T37]  kthread (kernel/kthread.c:436)
[    8.624158][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.624308][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.624428][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.624547][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    8.624695][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    8.624825][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[    8.624949][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.666785][    C3] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
| [    9.309126][  T104] ------------[ cut here ]------------
| [    9.309326][  T104] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/104
| [    9.309867][  T104] Tainted: [W]=WARN
[    9.309972][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.310127][  T104] Workqueue: events_unbound linkwatch_event
[    9.310285][  T104] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.310444][  T104] 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
[    9.310935][  T104] RSP: 0018:ffa00000006579e0 EFLAGS: 00010286
[    9.311087][  T104] RAX: 00000000ffffffa6 RBX: ff11000004cef8c0 RCX: 1ff40000000caf02
[    9.311272][  T104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004cef978
[    9.311451][  T104] RBP: ff1100000c6b4000 R08: 1fe220000099df30 R09: ff1100000d3151a8
[    9.311631][  T104] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[    9.311814][  T104] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.312019][  T104] FS:  0000000000000000(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[    9.312237][  T104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.312394][  T104] CR2: 00007f09700076d8 CR3: 000000000df1e004 CR4: 0000000000771ef0
[    9.312575][  T104] PKRU: 55555554
[    9.312667][  T104] Call Trace:
[    9.312761][  T104]  <TASK>
[    9.312829][  T104]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.312957][  T104]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.313079][  T104]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.313171][  T104]  netif_state_change (net/core/dev.c:1605)
[    9.313292][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[    9.313450][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    9.313570][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    9.313692][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.313822][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    9.313948][  T104]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[    9.314070][  T104]  process_one_work (kernel/workqueue.c:3314)
[    9.314195][  T104]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[    9.314316][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.314442][  T104]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.314563][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.314684][  T104]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[    9.314807][  T104]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[    9.314932][  T104]  kthread (kernel/kthread.c:436)
[    9.315022][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.315173][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.315296][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.315421][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[    9.315570][  T104]  ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22))
[    9.315720][  T104]  ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144)
[    9.315846][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.315973][  T104]  ? kthread_affine_node (kernel/kthread.c:378)
[    9.316097][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.813022][    C3] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
| [   15.496734][   T12] ------------[ cut here ]------------
| [   15.496928][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.497442][   T12] Tainted: [W]=WARN
[   15.497531][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.497679][   T12] Workqueue: netns cleanup_net
[   15.497807][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.497970][   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
[   15.498393][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.498545][   T12] RAX: 00000000ffffffa6 RBX: ff11000008baf540 RCX: 1ff4000000018eed
[   15.498739][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008baf5f8
[   15.498930][   T12] RBP: ff1100000d404000 R08: 1fe2200001175ec0 R09: ff11000001b0d1d0
[   15.499104][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.499278][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.499458][   T12] FS:  0000000000000000(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[   15.499670][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.499825][   T12] CR2: 0000564b395fab30 CR3: 000000000de68003 CR4: 0000000000771ef0
[   15.500015][   T12] PKRU: 55555554
[   15.500104][   T12] Call Trace:
[   15.500191][   T12]  <TASK>
[   15.500252][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.500403][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.500554][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.500676][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.500799][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.500921][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.501040][   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)
[   15.501158][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.501276][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.501392][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.501512][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.501629][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.501745][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.501868][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.501990][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.502110][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.502230][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.502348][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.502471][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.502592][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.502712][   T12]  kthread (kernel/kthread.c:436)
[   15.502808][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.502967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.503088][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.503206][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.503352][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.503474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.503591][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.504714][   T12] ---[ end trace 0000000000000000 ]---
| [   15.506104][   T12] ------------[ cut here ]------------
| [   15.506227][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.506722][   T12] Tainted: [W]=WARN
[   15.506818][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.506972][   T12] Workqueue: netns cleanup_net
[   15.507094][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.507272][   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
[   15.507688][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   15.507838][   T12] RAX: 00000000ffffffa6 RBX: ff11000008baf380 RCX: 1ff4000000018eed
[   15.508022][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008baf438
[   15.508203][   T12] RBP: ff11000008864000 R08: 1fe2200001175e88 R09: ff11000001b0d1d0
[   15.508379][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.508554][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.508731][   T12] FS:  0000000000000000(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[   15.508948][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.509096][   T12] CR2: 0000564b395fab30 CR3: 000000000de68003 CR4: 0000000000771ef0
[   15.509271][   T12] PKRU: 55555554
[   15.509358][   T12] Call Trace:
[   15.509445][   T12]  <TASK>
[   15.509506][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.509655][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.509805][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   15.509988][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   15.510106][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.510310][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   15.510429][   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)
[   15.510550][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   15.510669][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.510794][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.510962][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.511086][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.511202][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.511321][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.511442][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.511564][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.511686][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.511809][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.511977][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.512098][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.512215][   T12]  kthread (kernel/kthread.c:436)
[   15.512304][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.512455][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.512575][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.512693][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.512844][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.513008][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.513132][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.514487][   T12] ---[ end trace 0000000000000000 ]---
| [   15.525807][   T12] ------------[ cut here ]------------
| [   15.525954][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   15.526490][   T12] Tainted: [W]=WARN
[   15.526584][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.526744][   T12] Workqueue: netns cleanup_net
[   15.526878][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.527045][   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
[   15.527482][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.527637][   T12] RAX: 00000000ffffffa6 RBX: ff11000008bafa80 RCX: 1ff4000000018eaf
[   15.527842][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bafb38
[   15.528033][   T12] RBP: ff1100000c6b4000 R08: 1fe2200001175f68 R09: ff11000001b0d1d0
[   15.528215][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   15.528398][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c6b9000
[   15.528633][   T12] FS:  0000000000000000(0000) GS:ff11000085730000(0000) knlGS:0000000000000000
[   15.528876][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.529047][   T12] CR2: 00007f1a85a05f98 CR3: 000000002e149002 CR4: 0000000000771ef0
[   15.529232][   T12] PKRU: 55555554
[   15.529323][   T12] Call Trace:
[   15.529415][   T12]  <TASK>
[   15.529479][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.529605][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.529698][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.529825][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.529955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.530077][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.530199][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.530321][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.530474][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.530627][   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)
[   15.530749][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.530904][   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)
[   15.531037][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.531162][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.531285][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.531407][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.531532][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.531656][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.531777][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.531916][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.532043][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.532165][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.532288][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.532409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.532532][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.532656][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.532778][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.532908][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.533038][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.533158][   T12]  kthread (kernel/kthread.c:436)
[   15.533250][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.533402][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.533525][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.533647][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.533804][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.533933][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.534055][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.535228][   T12] ---[ end trace 0000000000000000 ]---
| [   15.545290][   T12] ------------[ cut here ]------------
| [   15.545484][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.546140][   T12] Tainted: [W]=WARN
[   15.546282][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.546482][   T12] Workqueue: netns cleanup_net
[   15.546658][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.546872][   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
[   15.547365][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   15.547567][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ba0040 RCX: 1ff4000000018eaf
[   15.547802][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ba00f8
[   15.548041][   T12] RBP: ff1100000c6b9000 R08: 1fe2200000974020 R09: ff11000001b0d1d0
[   15.548270][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   15.548498][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   15.548728][   T12] FS:  0000000000000000(0000) GS:ff110000857b0000(0000) knlGS:0000000000000000
[   15.549007][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.549207][   T12] CR2: 00007f1a85a05f98 CR3: 000000002e149003 CR4: 0000000000771ef0
[   15.549436][   T12] PKRU: 55555554
[   15.549573][   T12] Call Trace:
[   15.549711][   T12]  <TASK>
[   15.549827][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.550012][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.550184][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.550326][   T12]  netif_close_many (net/core/dev.c:1804)
[   15.550496][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.550664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.550843][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.551023][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   15.551194][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   15.551395][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   15.551598][   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)
[   15.551770][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.551991][   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)
[   15.552160][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.552333][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.552508][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.552695][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.552882][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.553068][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.553237][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.553409][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.553582][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.553751][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.553942][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.554114][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.554287][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.554461][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.554635][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.554818][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.555007][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.555179][   T12]  kthread (kernel/kthread.c:436)
[   15.555320][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.555544][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.555715][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.555894][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.556109][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.556282][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.556456][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.558001][   T12] ---[ end trace 0000000000000000 ]---
| [   15.559729][   T12] ------------[ cut here ]------------
| [   15.559897][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.560514][   T12] Tainted: [W]=WARN
[   15.560649][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.560848][   T12] Workqueue: netns cleanup_net
[   15.561875][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.562184][   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
[   15.562749][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.563043][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0d5380 RCX: 1ff4000000018ed5
[   15.563332][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0d5438
[   15.563643][   T12] RBP: ff1100000c6b4000 R08: 1fe220000161aa88 R09: ff11000001b0d1d0
[   15.563940][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.564219][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.564486][   T12] FS:  0000000000000000(0000) GS:ff110000857b0000(0000) knlGS:0000000000000000
[   15.564794][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.565028][   T12] CR2: 00007f1a85a05f98 CR3: 000000002e149003 CR4: 0000000000771ef0
[   15.565248][   T12] PKRU: 55555554
[   15.565383][   T12] Call Trace:
[   15.565517][   T12]  <TASK>
[   15.565623][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.565829][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.566037][   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)
[   15.566202][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.566371][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.566539][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.566704][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.566899][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.567081][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.567247][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.567415][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.567581][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.567746][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.567933][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.568098][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.568265][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.568433][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.568601][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.568770][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.568960][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.569128][   T12]  kthread (kernel/kthread.c:436)
[   15.569265][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.569458][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.569625][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.569806][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.570014][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.570180][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.570345][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.571836][   T12] ---[ end trace 0000000000000000 ]---
| [   15.573025][   T12] ------------[ cut here ]------------
| [   15.573208][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   15.573825][   T12] Tainted: [W]=WARN
[   15.574171][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.574411][   T12] Workqueue: netns cleanup_net
[   15.574628][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.574969][   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
[   15.575501][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.575748][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0d5000 RCX: 1ff4000000018ed5
[   15.576039][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0d50b8
[   15.576312][   T12] RBP: ff1100000d3c9000 R08: 1fe220000161aa18 R09: ff11000001b0d1d0
[   15.576583][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.576896][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.577177][   T12] FS:  0000000000000000(0000) GS:ff110000857b0000(0000) knlGS:0000000000000000
[   15.577473][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.577713][   T12] CR2: 00007f1a85a05f98 CR3: 000000002e149003 CR4: 0000000000771ef0
[   15.578001][   T12] PKRU: 55555554
[   15.578180][   T12] Call Trace:
[   15.578356][   T12]  <TASK>
[   15.578531][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.578780][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.579035][   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)
[   15.579243][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.579468][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.579683][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.579901][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.580124][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.580358][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.580566][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.580779][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.581156][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.581459][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.581667][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.581989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.582248][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.582471][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.582715][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.582978][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.583151][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.583316][   T12]  kthread (kernel/kthread.c:436)
[   15.583453][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.583646][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.583817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.583992][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.584184][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.584350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.584513][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.585982][   T12] ---[ end trace 0000000000000000 ]---
| [   15.587140][   T12] ------------[ cut here ]------------
| [   15.587284][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.587781][   T12] Tainted: [W]=WARN
[   15.587875][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.588233][   T12] Workqueue: netns cleanup_net
[   15.588357][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.588509][   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
[   15.588987][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.589143][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0d4c80 RCX: 1ff4000000018ed5
[   15.589316][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0d4d38
[   15.589493][   T12] RBP: ff1100000c6b9000 R08: 1fe220000161a9a8 R09: ff11000001b0d1d0
[   15.589670][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.589862][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.590042][   T12] FS:  0000000000000000(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[   15.590246][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.590397][   T12] CR2: 00007fd992b73f98 CR3: 000000002e149001 CR4: 0000000000771ef0
[   15.590576][   T12] PKRU: 55555554
[   15.590667][   T12] Call Trace:
[   15.590754][   T12]  <TASK>
[   15.590842][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.591012][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.591168][   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)
[   15.591294][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.591423][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.591551][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.591678][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.591811][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.591947][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.592074][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.592201][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.592327][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.592453][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.592578][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.592695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.592817][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.592949][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.593073][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.593196][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.593315][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.593432][   T12]  kthread (kernel/kthread.c:436)
[   15.593525][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.593677][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.593804][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.593931][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.594078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.594197][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.594315][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.595446][   T12] ---[ end trace 0000000000000000 ]---
| [   15.596547][   T12] ------------[ cut here ]------------
| [   15.596667][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   15.597178][   T12] Tainted: [W]=WARN
[   15.597267][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.597413][   T12] Workqueue: netns cleanup_net
[   15.597535][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.597687][   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
[   15.598118][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   15.598266][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b0d43c0 RCX: 1ff4000000018ed5
[   15.598440][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b0d4478
[   15.598617][   T12] RBP: ff1100000d164000 R08: 1fe220000161a890 R09: ff11000001b0d1d0
[   15.598796][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.598976][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.599153][   T12] FS:  0000000000000000(0000) GS:ff11000085830000(0000) knlGS:0000000000000000
[   15.599362][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.599515][   T12] CR2: 00007fd992b73f98 CR3: 000000002e149001 CR4: 0000000000771ef0
[   15.599696][   T12] PKRU: 55555554
[   15.599795][   T12] Call Trace:
[   15.599904][   T12]  <TASK>
[   15.599970][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   15.600120][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   15.600267][   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)
[   15.600388][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.600510][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   15.600629][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   15.600747][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   15.600871][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   15.600995][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   15.601112][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.601232][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   15.601355][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   15.601475][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   15.601595][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.601712][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.601847][   T12]  process_one_work (kernel/workqueue.c:3314)
[   15.601973][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.602091][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.602212][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.602333][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.602451][   T12]  kthread (kernel/kthread.c:436)
[   15.602541][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.602687][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.602808][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.602931][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.603080][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.603197][   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