======================================
| 0
| xx__-> [    2.146984] ------------[ cut here ]------------
| [    2.147045] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.147163] Tainted: [W]=WARN
[    2.147182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.147217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.147250] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.147345] RSP: 0018:ff68b2e3003a7cc8 EFLAGS: 00010286
[    2.147375] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.147420] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1936700
[    2.147458] RBP: 0000000000000000 R08: ff491547c3134590 R09: ff491547c4aaf02c
[    2.147503] R10: ff491547c4aaa120 R11: fefefefefefefeff R12: 0000000000000000
[    2.147541] R13: 0000000000000010 R14: ff491547c4aaa000 R15: ff491547c1936700
[    2.147584] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.147627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.147663] CR2: 0000000000404110 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.147705] PKRU: 55555554
[    2.147721] Call Trace:
[    2.147740]  <TASK>
[    2.147756]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.147783]  register_netdevice (net/core/dev.c:11488)
[    2.147817]  register_netdev (net/core/dev.c:11552)
[    2.147839]  loopback_net_init (drivers/net/loopback.c:218)
[    2.147864]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.147895]  ops_init (net/core/net_namespace.c:137)
[    2.147918]  setup_net (net/core/net_namespace.c:446)
[    2.147940]  copy_net_ns (net/core/net_namespace.c:579)
[    2.147966]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.147999]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.148033]  ksys_unshare (kernel/fork.c:3243)
[    2.148057]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.148078]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.148102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.148131] RIP: 0033:0x7f0f1859dbcb
[    2.148153] 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
[    2.148253] RSP: 002b:00007fffeba57938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.148293] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0f1859dbcb
[    2.148335] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.148373] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.148414] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    2.148455] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.148504] ---[ end trace 0000000000000000 ]---
| [    2.148593] ------------[ cut here ]------------
| [    2.148624] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.148751] Tainted: [W]=WARN
[    2.148778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.148811] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.148840] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.148931] RSP: 0018:ff68b2e3003a7cb0 EFLAGS: 00010286
[    2.148967] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.149016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1936700
[    2.149061] RBP: 0000000000000000 R08: ff491547c318ce50 R09: ff491547c4aac030
[    2.149098] R10: ff491547c4aaf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.149145] R13: 0000000000000010 R14: ff491547c4aaf000 R15: ff491547c1936700
[    2.149186] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.149229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.149264] CR2: 0000000000404110 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.149307] PKRU: 55555554
[    2.149322] Call Trace:
[    2.149335]  <TASK>
[    2.149349]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.149372]  register_netdevice (net/core/dev.c:11488)
[    2.149394]  register_netdev (net/core/dev.c:11552)
[    2.149414]  sit_init_net (net/ipv6/sit.c:1860)
[    2.149439]  ops_init (net/core/net_namespace.c:137)
[    2.149460]  setup_net (net/core/net_namespace.c:446)
[    2.149479]  copy_net_ns (net/core/net_namespace.c:579)
[    2.149504]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.149533]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.149565]  ksys_unshare (kernel/fork.c:3243)
[    2.149587]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.149609]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.149629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.149656] RIP: 0033:0x7f0f1859dbcb
[    2.149682] 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
[    2.149774] RSP: 002b:00007fffeba57938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.149818] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0f1859dbcb
[    2.149856] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.149904] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.149942] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    2.149988] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.150043] ---[ end trace 0000000000000000 ]---
| [    2.150297] ------------[ cut here ]------------
| [    2.150327] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.150440] Tainted: [W]=WARN
[    2.150460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.150495] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.150522] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.150615] RSP: 0018:ff68b2e3003a7cc8 EFLAGS: 00010286
[    2.150645] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.150687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1936700
[    2.150738] RBP: 0000000000000000 R08: ff491547c1de8890 R09: ff491547c4adb02c
[    2.150779] R10: ff491547c4ac6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.150821] R13: 0000000000000010 R14: ff491547c4ac6000 R15: ff491547c1936700
[    2.150863] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.150910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.150948] CR2: 0000000000404110 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.150989] PKRU: 55555554
[    2.151013] Call Trace:
[    2.151029]  <TASK>
[    2.151052]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.151073]  register_netdevice (net/core/dev.c:11488)
[    2.151097]  register_netdev (net/core/dev.c:11552)
[    2.151117]  loopback_net_init (drivers/net/loopback.c:218)
[    2.151140]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.151171]  ops_init (net/core/net_namespace.c:137)
[    2.151204]  setup_net (net/core/net_namespace.c:446)
[    2.151227]  copy_net_ns (net/core/net_namespace.c:579)
[    2.151250]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.151278]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.151304]  ksys_unshare (kernel/fork.c:3243)
[    2.151328]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.151347]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.151370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.151400] RIP: 0033:0x7f0f1859dbcb
[    2.151426] 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
[    2.151529] RSP: 002b:00007fffeba57938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.151574] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0f1859dbcb
[    2.151616] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.151655] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.151696] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    2.151739] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.151793] ---[ end trace 0000000000000000 ]---
| [    2.151854] ------------[ cut here ]------------
| [    2.151883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.152005] Tainted: [W]=WARN
[    2.152027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.152062] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.152095] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.152198] RSP: 0018:ff68b2e3003a7cb0 EFLAGS: 00010286
[    2.152224] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.152264] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1936700
[    2.152303] RBP: 0000000000000000 R08: ff491547c1945650 R09: ff491547c4ad8030
[    2.152344] R10: ff491547c4adb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.152390] R13: 0000000000000010 R14: ff491547c4adb000 R15: ff491547c1936700
[    2.152439] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.152487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.152523] CR2: 0000000000404110 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.152563] PKRU: 55555554
[    2.152584] Call Trace:
[    2.152599]  <TASK>
[    2.152613]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.152635]  register_netdevice (net/core/dev.c:11488)
[    2.152658]  register_netdev (net/core/dev.c:11552)
[    2.152682]  sit_init_net (net/ipv6/sit.c:1860)
[    2.152708]  ops_init (net/core/net_namespace.c:137)
[    2.152730]  setup_net (net/core/net_namespace.c:446)
[    2.152754]  copy_net_ns (net/core/net_namespace.c:579)
[    2.152776]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.152806]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.152834]  ksys_unshare (kernel/fork.c:3243)
[    2.152861]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.152883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.152906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.152932] RIP: 0033:0x7f0f1859dbcb
[    2.152964] 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
[    2.153064] RSP: 002b:00007fffeba57938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    2.153107] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0f1859dbcb
[    2.153146] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.153185] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.153235] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    2.153275] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.153335] ---[ end trace 0000000000000000 ]---
| [    2.153442] ------------[ cut here ]------------
| [    2.153470] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.153592] Tainted: [W]=WARN
[    2.153620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.153653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.153683] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.153777] RSP: 0018:ff68b2e3003a77b0 EFLAGS: 00010286
[    2.153807] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.153848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939100
[    2.153899] RBP: 0000000000000000 R08: ff491547c3349490 R09: ff491547c4ae3034
[    2.153942] R10: ff491547c4adf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.153986] R13: 0000000000000010 R14: ff491547c4adf000 R15: ff491547c1939100
[    2.154034] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.154082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.154118] CR2: 0000000000404110 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.154159] PKRU: 55555554
[    2.154174] Call Trace:
[    2.154187]  <TASK>
[    2.154201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.154221]  __dev_notify_flags (net/core/dev.c:9787)
[    2.154245]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.154266]  veth_newlink (drivers/net/veth.c:1871)
[    2.154294]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.154319]  ? __d_alloc (fs/dcache.c:1807 (discriminator 11))
[    2.154346]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.154373]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.154398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.154423]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.154449]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.154488]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.154514]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.154539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.154566] RIP: 0033:0x7f0f1851508e
[    2.154584] 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
[    2.154694] RSP: 002b:00007fffeba57030 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.154732] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f0f1851508e
[    2.154776] RDX: 0000000000000078 RSI: 00007fffeba570c0 RDI: 0000000000000008
[    2.154813] RBP: 00007fffeba57040 R08: 0000000000000000 R09: 0000000000000000
[    2.154858] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.154899] R13: 0000000000000045 R14: 000000000040e8fc R15: 0000000000000020
| [    2.154963] ---[ end trace 0000000000000000 ]---
| [    2.155105] ------------[ cut here ]------------
| [    2.155134] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.155244] Tainted: [W]=WARN
[    2.155264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.155298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.155325] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.155414] RSP: 0018:ff68b2e3003a7a30 EFLAGS: 00010286
[    2.155448] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.155489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939100
[    2.155530] RBP: 0000000000000000 R08: ff491547c485a490 R09: ff491547c4ae0034
[    2.155569] R10: ff491547c4ad8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.155611] R13: 0000000000000010 R14: ff491547c4ad8000 R15: ff491547c1939100
[    2.155657] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.155700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.155736] CR2: 0000000000404110 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.155776] PKRU: 55555554
[    2.155791] Call Trace:
[    2.155807]  <TASK>
[    2.155822]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.155849]  __dev_notify_flags (net/core/dev.c:9787)
[    2.155872]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.155906]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.155930]  ? __d_alloc (fs/dcache.c:1807 (discriminator 11))
[    2.155956]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.155989]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.156015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.156040]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.156067]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.156093]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.156116]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.156140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.156173] RIP: 0033:0x7f0f1851508e
[    2.156196] 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
[    2.156299] RSP: 002b:00007fffeba57030 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.156339] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f0f1851508e
[    2.156386] RDX: 0000000000000078 RSI: 00007fffeba570c0 RDI: 0000000000000008
[    2.156431] RBP: 00007fffeba57040 R08: 0000000000000000 R09: 0000000000000000
[    2.156470] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.156511] R13: 0000000000000045 R14: 000000000040e8fc R15: 0000000000000020
| [    2.156571] ---[ end trace 0000000000000000 ]---
| [    2.156898] ------------[ cut here ]------------
| [    2.156930] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.157052] Tainted: [W]=WARN
[    2.157077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.157111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.157143] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.157255] RSP: 0018:ff68b2e3003a7cc8 EFLAGS: 00010286
[    2.157287] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.157337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939100
[    2.157379] RBP: 0000000000000000 R08: ff491547c192fb90 R09: ff491547c4b0702c
[    2.157418] R10: ff491547c4b02120 R11: fefefefefefefeff R12: 0000000000000000
[    2.157467] R13: 0000000000000010 R14: ff491547c4b02000 R15: ff491547c1939100
[    2.157508] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.157559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.157605] CR2: 000000002ed3a018 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.157648] PKRU: 55555554
[    2.157662] Call Trace:
[    2.157675]  <TASK>
[    2.157698]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.157722]  register_netdevice (net/core/dev.c:11488)
[    2.157742]  register_netdev (net/core/dev.c:11552)
[    2.157762]  loopback_net_init (drivers/net/loopback.c:218)
[    2.157788]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.157817]  ops_init (net/core/net_namespace.c:137)
[    2.157843]  setup_net (net/core/net_namespace.c:446)
[    2.157866]  copy_net_ns (net/core/net_namespace.c:579)
[    2.157891]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.157921]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.157959]  ksys_unshare (kernel/fork.c:3243)
[    2.157981]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.158007]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.158029]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.158058] RIP: 0033:0x7f0f1859dbcb
[    2.158082] 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
[    2.158185] RSP: 002b:00007fffeba57998 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.158229] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0f1859dbcb
[    2.158268] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.158318] RBP: 000000006a10eab3 R08: 0000000000000000 R09: 0000000000000000
[    2.158363] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.158412] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.158465] ---[ end trace 0000000000000000 ]---
| [    2.158527] ------------[ cut here ]------------
| [    2.158555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.158665] Tainted: [W]=WARN
[    2.158683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.158718] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.158748] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.158843] RSP: 0018:ff68b2e3003a7cb0 EFLAGS: 00010286
[    2.158873] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.158912] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939100
[    2.158955] RBP: 0000000000000000 R08: ff491547c192fc90 R09: ff491547c4b04030
[    2.159000] R10: ff491547c4b07120 R11: fefefefefefefeff R12: 0000000000000000
[    2.159042] R13: 0000000000000010 R14: ff491547c4b07000 R15: ff491547c1939100
[    2.159085] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.159126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.159158] CR2: 000000002ed3a018 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.159200] PKRU: 55555554
[    2.159216] Call Trace:
[    2.159236]  <TASK>
[    2.159253]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.159275]  register_netdevice (net/core/dev.c:11488)
[    2.159297]  register_netdev (net/core/dev.c:11552)
[    2.159318]  sit_init_net (net/ipv6/sit.c:1860)
[    2.159340]  ops_init (net/core/net_namespace.c:137)
[    2.159363]  setup_net (net/core/net_namespace.c:446)
[    2.159385]  copy_net_ns (net/core/net_namespace.c:579)
[    2.159409]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.159438]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.159467]  ksys_unshare (kernel/fork.c:3243)
[    2.159489]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.159510]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.159530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.159559] RIP: 0033:0x7f0f1859dbcb
[    2.159581] 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
[    2.159677] RSP: 002b:00007fffeba57998 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.159715] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0f1859dbcb
[    2.159756] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.159796] RBP: 000000006a10eab3 R08: 0000000000000000 R09: 0000000000000000
[    2.159837] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.159880] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.159934] ---[ end trace 0000000000000000 ]---
| [    2.161044] ------------[ cut here ]------------
| [    2.161091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    2.161238] Tainted: [W]=WARN
[    2.161269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.161301] Workqueue: netns cleanup_net
[    2.161326] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.161355] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.161444] RSP: 0018:ff68b2e300067ce8 EFLAGS: 00010286
[    2.161473] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.161514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    2.161557] RBP: 0000000000000000 R08: ff491547c318ce50 R09: ff491547c2006030
[    2.161597] R10: ff491547c4aaf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.161652] R13: 0000000000000011 R14: ff491547c4aaf000 R15: ff491547c1939200
[    2.161697] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    2.161739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.161773] CR2: 000055a493cfd400 CR3: 0000000004880002 CR4: 0000000000771ef0
[    2.161812] PKRU: 55555554
[    2.161828] Call Trace:
[    2.161842]  <TASK>
[    2.161858]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.161889]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.161913]  cleanup_net (net/core/net_namespace.c:702)
[    2.161933]  process_one_work (kernel/workqueue.c:3314)
[    2.161963]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.161991]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.162021]  kthread (kernel/kthread.c:436)
[    2.162045]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.162067]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.162091]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.162113]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.162153] ---[ end trace 0000000000000000 ]---
| [    2.162369] ------------[ cut here ]------------
| [    2.162398] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.162507] Tainted: [W]=WARN
[    2.162535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.162572] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.162600] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.162691] RSP: 0018:ff68b2e3003a7cc8 EFLAGS: 00010286
[    2.162733] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.162774] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939100
[    2.162814] RBP: 0000000000000000 R08: ff491547c3117690 R09: ff491547c4b3302c
[    2.162855] R10: ff491547c4b16120 R11: fefefefefefefeff R12: 0000000000000000
[    2.162894] R13: 0000000000000010 R14: ff491547c4b16000 R15: ff491547c1939100
[    2.162937] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.162982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.163021] CR2: 000000002ed3a018 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.163067] PKRU: 55555554
[    2.163081] Call Trace:
[    2.163094]  <TASK>
[    2.163107]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.163132]  register_netdevice (net/core/dev.c:11488)
[    2.163173]  register_netdev (net/core/dev.c:11552)
[    2.163197]  loopback_net_init (drivers/net/loopback.c:218)
[    2.163217]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.163259]  ops_init (net/core/net_namespace.c:137)
[    2.163290]  setup_net (net/core/net_namespace.c:446)
[    2.163311]  copy_net_ns (net/core/net_namespace.c:579)
[    2.163338]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.163368]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.163398]  ksys_unshare (kernel/fork.c:3243)
[    2.163418]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.163439]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.163461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.163491] RIP: 0033:0x7f0f1859dbcb
[    2.163515] 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
[    2.163633] RSP: 002b:00007fffeba57998 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.163672] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0f1859dbcb
[    2.163726] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.163776] RBP: 000000006a10eab3 R08: 0000000000000000 R09: 0000000000000000
[    2.163826] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.163866] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.163918] ---[ end trace 0000000000000000 ]---
| [    2.164023] ------------[ cut here ]------------
| [    2.164052] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.164162] Tainted: [W]=WARN
[    2.164190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.164224] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.164253] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.164358] RSP: 0018:ff68b2e3003a7cb0 EFLAGS: 00010286
[    2.164388] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.164429] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939100
[    2.164471] RBP: 0000000000000000 R08: ff491547c3117790 R09: ff491547c4b30030
[    2.164511] R10: ff491547c4b33120 R11: fefefefefefefeff R12: 0000000000000000
[    2.164547] R13: 0000000000000010 R14: ff491547c4b33000 R15: ff491547c1939100
[    2.164592] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.164636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.164670] CR2: 000000002ed3a018 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.164715] PKRU: 55555554
[    2.164731] Call Trace:
[    2.164745]  <TASK>
[    2.164758]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.164781]  register_netdevice (net/core/dev.c:11488)
[    2.164804]  register_netdev (net/core/dev.c:11552)
[    2.164827]  sit_init_net (net/ipv6/sit.c:1860)
[    2.164850]  ops_init (net/core/net_namespace.c:137)
[    2.164871]  setup_net (net/core/net_namespace.c:446)
[    2.164896]  copy_net_ns (net/core/net_namespace.c:579)
[    2.164920]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.164950]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.164981]  ksys_unshare (kernel/fork.c:3243)
[    2.165005]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.165032]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.165054]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.165080] RIP: 0033:0x7f0f1859dbcb
[    2.165100] 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
[    2.165203] RSP: 002b:00007fffeba57998 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.165246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0f1859dbcb
[    2.165287] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.165326] RBP: 000000006a10eab3 R08: 0000000000000000 R09: 0000000000000000
[    2.165368] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.165410] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.165465] ---[ end trace 0000000000000000 ]---
| [    2.182050] ------------[ cut here ]------------
| [    2.182124] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    2.182244] Tainted: [W]=WARN
[    2.182269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.182304] Workqueue: netns cleanup_net
[    2.182330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.182359] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.182457] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    2.182486] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.182529] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    2.182570] RBP: 0000000000000000 R08: ff491547c485a490 R09: ff491547c4aed034
[    2.182613] R10: ff491547c4ad8120 R11: fefefefefefefeff R12: 0000000000000000
[    2.182652] R13: 0000000000000011 R14: ff491547c4ad8000 R15: ff491547c1939200
[    2.182698] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    2.182744] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.182779] CR2: 000055a493cfd400 CR3: 0000000004880002 CR4: 0000000000771ef0
[    2.182823] PKRU: 55555554
[    2.182839] Call Trace:
[    2.182853]  <TASK>
[    2.182869]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.182899]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.182929]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.182956]  cleanup_net (net/core/net_namespace.c:702)
[    2.182980]  process_one_work (kernel/workqueue.c:3314)
[    2.183012]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.183034]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.183057]  kthread (kernel/kthread.c:436)
[    2.183079]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.183100]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.183121]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.183141]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.183184] ---[ end trace 0000000000000000 ]---
| [    2.183256] ------------[ cut here ]------------
| [    2.183290] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    2.183397] Tainted: [W]=WARN
[    2.183422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.183462] Workqueue: netns cleanup_net
[    2.183486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.183513] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.183608] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    2.183638] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.183687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    2.183726] RBP: 0000000000000000 R08: ff491547c3349490 R09: ff491547c4ad3834
[    2.183765] R10: ff491547c4adf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.183809] R13: 0000000000000011 R14: ff491547c4adf000 R15: ff491547c1939200
[    2.183850] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    2.183895] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.183930] CR2: 000055a493cfd400 CR3: 0000000004880002 CR4: 0000000000771ef0
[    2.183974] PKRU: 55555554
[    2.183989] Call Trace:
[    2.184014]  <TASK>
[    2.184029]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.184058]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.184089]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.184115]  cleanup_net (net/core/net_namespace.c:702)
[    2.184139]  process_one_work (kernel/workqueue.c:3314)
[    2.184162]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.184183]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.184203]  kthread (kernel/kthread.c:436)
[    2.184222]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.184241]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.184263]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.184285]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.184326] ---[ end trace 0000000000000000 ]---
| [    2.184389] ------------[ cut here ]------------
| [    2.184418] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    2.184529] Tainted: [W]=WARN
[    2.184550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.184586] Workqueue: netns cleanup_net
[    2.184613] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.184642] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.184733] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    2.184759] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.184801] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    2.184840] RBP: 0000000000000000 R08: ff491547c3134590 R09: ff491547c19c882c
[    2.184881] R10: ff491547c4aaa120 R11: fefefefefefefeff R12: 0000000000000000
[    2.184920] R13: 0000000000000011 R14: ff491547c4aaa000 R15: ff491547c1939200
[    2.184971] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    2.185026] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.185061] CR2: 000055a493cfd400 CR3: 0000000004880002 CR4: 0000000000771ef0
[    2.185101] PKRU: 55555554
[    2.185118] Call Trace:
[    2.185130]  <TASK>
[    2.185143]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.185169]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.185199]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.185221]  cleanup_net (net/core/net_namespace.c:702)
[    2.185243]  process_one_work (kernel/workqueue.c:3314)
[    2.185264]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.185283]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.185305]  kthread (kernel/kthread.c:436)
[    2.185327]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.185348]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.185367]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.185391]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.185433] ---[ end trace 0000000000000000 ]---
| [    2.185981] ------------[ cut here ]------------
| [    2.186034] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.186150] Tainted: [W]=WARN
[    2.186171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.186207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.186239] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.186332] RSP: 0018:ff68b2e3003a77b0 EFLAGS: 00010286
[    2.186361] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.186410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1936700
[    2.186451] RBP: 0000000000000000 R08: ff491547c6442b90 R09: ff491547c4b37034
[    2.186496] R10: ff491547c4adc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.186547] R13: 0000000000000010 R14: ff491547c4adc000 R15: ff491547c1936700
[    2.186591] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.186639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.186672] CR2: 000000002ed50218 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.186717] PKRU: 55555554
[    2.186732] Call Trace:
[    2.186749]  <TASK>
[    2.186762]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.186785]  __dev_notify_flags (net/core/dev.c:9787)
[    2.186806]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.186828]  veth_newlink (drivers/net/veth.c:1871)
[    2.186855]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.186878]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.186904]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.186926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.186954]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.186978]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.187006]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.187030]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.187056]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.187083] RIP: 0033:0x7f0f18520e32
[    2.187105] 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)
[    2.187196] RSP: 002b:00007fffeba57078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.187235] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f0f18520e32
[    2.187275] RDX: 0000000000000078 RSI: 00007fffeba57120 RDI: 0000000000000009
[    2.187317] RBP: 00007fffeba570a0 R08: 0000000000000000 R09: 0000000000000000
[    2.187354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.187399] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000020
| [    2.187452] ---[ end trace 0000000000000000 ]---
| [    2.187566] ------------[ cut here ]------------
| [    2.187595] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.187698] Tainted: [W]=WARN
[    2.187717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.187750] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.187781] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.187875] RSP: 0018:ff68b2e3003a7a30 EFLAGS: 00010286
[    2.187900] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.187938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1936700
[    2.187980] RBP: 0000000000000000 R08: ff491547c6442b10 R09: ff491547c4b34034
[    2.188025] R10: ff491547c4b30120 R11: fefefefefefefeff R12: 0000000000000000
[    2.188066] R13: 0000000000000010 R14: ff491547c4b30000 R15: ff491547c1936700
[    2.188111] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.188156] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.188191] CR2: 000000002ed50218 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.188230] PKRU: 55555554
[    2.188245] Call Trace:
[    2.188260]  <TASK>
[    2.188277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.188299]  __dev_notify_flags (net/core/dev.c:9787)
[    2.188321]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.188342]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.188362]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.188391]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.188414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.188436]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.188458]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.188482]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.188504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.188527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.188556] RIP: 0033:0x7f0f18520e32
[    2.188579] 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)
[    2.188673] RSP: 002b:00007fffeba57078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.188713] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007f0f18520e32
[    2.188753] RDX: 0000000000000078 RSI: 00007fffeba57120 RDI: 0000000000000009
[    2.188793] RBP: 00007fffeba570a0 R08: 0000000000000000 R09: 0000000000000000
[    2.188832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.188873] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000020
| [    2.188930] ---[ end trace 0000000000000000 ]---
| [    2.188994] ------------[ cut here ]------------
| [    2.189025] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.189135] Tainted: [W]=WARN
[    2.189154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.189190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.189220] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.189309] RSP: 0018:ff68b2e3003a78e0 EFLAGS: 00010286
[    2.189339] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.189378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939100
[    2.189417] RBP: 0000000000000000 R08: ff491547c6442b90 R09: ff491547c4b34034
[    2.189454] R10: ff491547c4adc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.189491] R13: 0000000000000010 R14: ff491547c4adc000 R15: ff491547c1939100
[    2.189530] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.189572] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.189606] CR2: 000000002ed50218 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.189650] PKRU: 55555554
[    2.189665] Call Trace:
[    2.189679]  <TASK>
[    2.189695]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.189719]  __dev_notify_flags (net/core/dev.c:9787)
[    2.189741]  netif_change_flags (net/core/dev.c:9820)
[    2.189763]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.189783]  ? netlink_set_err (net/netlink/af_netlink.c:1624 (discriminator 3))
[    2.189803]  ? rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:971 net/core/rtnetlink.c:4529)
[    2.189833]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.189865]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    2.189885]  ? netdev_run_todo (net/core/dev.c:11703)
[    2.189909]  ? __dev_notify_flags (net/core/dev.c:9787)
[    2.189932]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.189960]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.189983]  ? __alloc_skb (net/core/skbuff.c:702 (discriminator 7))
[    2.190041]  ? netlink_attachskb (net/netlink/af_netlink.c:1222)
[    2.190070]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.190094]  ? netlink_net_capable (net/netlink/af_netlink.c:852 (discriminator 1) net/netlink/af_netlink.c:870 (discriminator 1) net/netlink/af_netlink.c:901 (discriminator 1))
[    2.190123]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.190144]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.190172]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.190193]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.190225]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.190247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.190271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.190294]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.190317]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.190337]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.190358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.190387] RIP: 0033:0x7f0f18520e32
[    2.190407] 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)
[    2.190496] RSP: 002b:00007fffeba57088 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.190537] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0f18520e32
[    2.190577] RDX: 0000000000000020 RSI: 00007fffeba57100 RDI: 0000000000000009
[    2.190618] RBP: 00007fffeba570b0 R08: 0000000000000000 R09: 0000000000000000
[    2.190656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000078909061
[    2.190696] R13: 00007f0f184c2cc3 R14: 0000000001fe000a R15: 0000000000000000
| [    2.190752] ---[ end trace 0000000000000000 ]---
| [    2.191012] ------------[ cut here ]------------
| [    2.191043] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/148
| [    2.191159] Tainted: [W]=WARN
[    2.191180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.191217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.191245] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.191332] RSP: 0018:ff68b2e3003a78e0 EFLAGS: 00010286
[    2.191363] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.191402] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1936700
[    2.191440] RBP: 0000000000000000 R08: ff491547c6442b10 R09: ff491547c4b43034
[    2.191482] R10: ff491547c4b30120 R11: fefefefefefefeff R12: 0000000000000000
[    2.191521] R13: 0000000000000010 R14: ff491547c4b30000 R15: ff491547c1936700
[    2.191561] FS:  00007f0f184a2780(0000) GS:ff49154871a49000(0000) knlGS:0000000000000000
[    2.191603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.191637] CR2: 00007f0f17c9ecd4 CR3: 0000000003358005 CR4: 0000000000771ef0
[    2.191679] PKRU: 55555554
[    2.191694] Call Trace:
[    2.191707]  <TASK>
[    2.191720]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.191742]  __dev_notify_flags (net/core/dev.c:9787)
[    2.191764]  netif_change_flags (net/core/dev.c:9820)
[    2.191788]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.191810]  ? alloc_pages_mpol (mm/mempolicy.c:2490)
[    2.191835]  ? __pte_offset_map (./include/linux/rcupdate.h:836 mm/pgtable-generic.c:290)
[    2.191856]  ? walk_pte_range_inner (mm/pagewalk.c:39)
[    2.191885]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.191913]  ? walk_pgd_range (./include/linux/rcupdate.h:871 ./include/linux/pgtable.h:117 mm/pagewalk.c:88 mm/pagewalk.c:173 mm/pagewalk.c:239 mm/pagewalk.c:280 mm/pagewalk.c:321)
[    2.191934]  ? sysvec_irq_work (arch/x86/kernel/irq_work.c:17)
[    2.191965]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.191987]  ? idr_replace (lib/idr.c:304)
[    2.192017]  ? arch_irq_work_raise (./arch/x86/include/asm/apic.h:455 (discriminator 1) arch/x86/kernel/irq_work.c:31 (discriminator 1))
[    2.192046]  ? cpu_util.constprop.0 (kernel/sched/fair.c:8322 (discriminator 1))
[    2.192077]  ? sched_balance_find_dst_group (kernel/sched/fair.c:8354 kernel/sched/fair.c:11037 kernel/sched/fair.c:11167)
[    2.192106]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.192128]  ? netlink_net_capable (net/netlink/af_netlink.c:852 (discriminator 1) net/netlink/af_netlink.c:870 (discriminator 1) net/netlink/af_netlink.c:901 (discriminator 1))
[    2.192157]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.192179]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.192209]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.192236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.192260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.192283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.192307]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.192329]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.192351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.192374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.192404] RIP: 0033:0x7f0f18520e32
[    2.192428] 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)
[    2.192516] RSP: 002b:00007fffeba57088 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.192557] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0f18520e32
[    2.192604] RDX: 0000000000000020 RSI: 00007fffeba57100 RDI: 0000000000000009
[    2.192645] RBP: 00007fffeba570b0 R08: 0000000000000000 R09: 0000000000000000
[    2.192688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000062fc3e07
[    2.192728] R13: 0000000000000000 R14: 000000000101000a R15: 00007f0f184c2cc3
| [    2.192786] ---[ end trace 0000000000000000 ]---
| [    2.192872] ------------[ cut here ]------------
| [    2.192910] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 0/36
| [    2.193040] Tainted: [W]=WARN
[    2.193065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.193102] Workqueue: events_unbound linkwatch_event
[    2.193136] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.193165] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.193265] RSP: 0018:ff68b2e30014bd50 EFLAGS: 00010286
[    2.193295] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.193343] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1937b00
[    2.193382] RBP: 0000000000000000 R08: ff491547c6442b90 R09: ff491547c30a7034
[    2.193422] R10: ff491547c4adc120 R11: fefefefefefefeff R12: 0000000000000000
[    2.193461] R13: 0000000000000010 R14: ff491547c4adc000 R15: ff491547c1937b00
[    2.193506] FS:  0000000000000000(0000) GS:ff49154871bc9000(0000) knlGS:0000000000000000
[    2.193548] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.193582] CR2: 00007f8b6d315ab0 CR3: 000000000491b003 CR4: 0000000000771ef0
[    2.193619] PKRU: 55555554
[    2.193634] Call Trace:
[    2.193646]  <TASK>
[    2.193662]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.193681]  netif_state_change (net/core/dev.c:1605)
[    2.193702]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.193725]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.193759]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.193782]  process_one_work (kernel/workqueue.c:3314)
[    2.193806]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.193829]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.193854]  kthread (kernel/kthread.c:436)
[    2.193877]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.193896]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.193917]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.193950]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.193990] ---[ end trace 0000000000000000 ]---
| [    2.209327] ------------[ cut here ]------------
| [    2.209397] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    2.209549] Tainted: [W]=WARN
[    2.209579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.209628] Workqueue: netns cleanup_net
[    2.209652] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.209700] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.209795] RSP: 0018:ff68b2e300067ce8 EFLAGS: 00010286
[    2.209841] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.209885] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    2.209926] RBP: 0000000000000000 R08: ff491547c1945650 R09: ff491547c4abc030
[    2.209991] R10: ff491547c4adb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.210033] R13: 0000000000000011 R14: ff491547c4adb000 R15: ff491547c1939200
[    2.210080] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    2.210128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.210169] CR2: 00007f0f08006128 CR3: 0000000003358003 CR4: 0000000000771ef0
[    2.210212] PKRU: 55555554
[    2.210226] Call Trace:
[    2.210240]  <TASK>
[    2.210266]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.210296]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.210325]  cleanup_net (net/core/net_namespace.c:702)
[    2.210360]  process_one_work (kernel/workqueue.c:3314)
[    2.210382]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.210404]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.210425]  kthread (kernel/kthread.c:436)
[    2.210445]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.210466]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.210486]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.210522]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.218729] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
| [    2.224029] ------------[ cut here ]------------
| [    2.224096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    2.224220] Tainted: [W]=WARN
[    2.224241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.224277] Workqueue: netns cleanup_net
[    2.224299] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.224332] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.224436] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    2.224466] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.224511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    2.224563] RBP: 0000000000000000 R08: ff491547c1de8890 R09: ff491547c4abe82c
[    2.224608] R10: ff491547c4ac6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.224654] R13: 0000000000000011 R14: ff491547c4ac6000 R15: ff491547c1939200
[    2.224702] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    2.224746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.224781] CR2: 00007f0f08006128 CR3: 0000000003358003 CR4: 0000000000771ef0
[    2.224831] PKRU: 55555554
[    2.224845] Call Trace:
[    2.224861]  <TASK>
[    2.224878]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.224908]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.224935]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.224964]  cleanup_net (net/core/net_namespace.c:702)
[    2.224987]  process_one_work (kernel/workqueue.c:3314)
[    2.225012]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.225038]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.225065]  kthread (kernel/kthread.c:436)
[    2.225089]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.225110]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.225133]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.225160]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.225196] ---[ end trace 0000000000000000 ]---
| [    3.205043] ------------[ cut here ]------------
| [    3.205143] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 2/104
| [    3.205262] Tainted: [W]=WARN
[    3.205283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.205318] Workqueue: events_unbound linkwatch_event
[    3.205353] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.205384] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.205477] RSP: 0018:ff68b2e30026bd50 EFLAGS: 00010286
[    3.205503] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.205542] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1937b00
[    3.205595] RBP: 0000000000000000 R08: ff491547c6442b10 R09: ff491547c30a7034
[    3.205633] R10: ff491547c4b30120 R11: fefefefefefefeff R12: 0000000000000000
[    3.205672] R13: 0000000000000010 R14: ff491547c4b30000 R15: ff491547c1937b00
[    3.205718] FS:  0000000000000000(0000) GS:ff49154871bc9000(0000) knlGS:0000000000000000
[    3.205763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.205797] CR2: 00007f8b6d315ab0 CR3: 0000000003358004 CR4: 0000000000771ef0
[    3.205844] PKRU: 55555554
[    3.205858] Call Trace:
[    3.205874]  <TASK>
[    3.205890]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.205913]  netif_state_change (net/core/dev.c:1605)
[    3.205937]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    3.205964]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    3.205996]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    3.206021]  process_one_work (kernel/workqueue.c:3314)
[    3.206043]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.206066]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.206089]  kthread (kernel/kthread.c:436)
[    3.206111]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.206132]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.206155]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.206176]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.388017] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
| [    8.987194] ------------[ cut here ]------------
| [    8.987263] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    8.987450] Tainted: [W]=WARN
[    8.987479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.987516] Workqueue: netns cleanup_net
[    8.987544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.987577] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.987675] RSP: 0018:ff68b2e300067ce8 EFLAGS: 00010286
[    8.987707] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.987751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    8.987793] RBP: 0000000000000000 R08: ff491547c192fc90 R09: ff491547c4afd830
[    8.987840] R10: ff491547c4b07120 R11: fefefefefefefeff R12: 0000000000000000
[    8.987881] R13: 0000000000000011 R14: ff491547c4b07000 R15: ff491547c1939200
[    8.987929] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    8.987981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.988036] CR2: 00007fd88f273f98 CR3: 00000000049e7001 CR4: 0000000000771ef0
[    8.988080] PKRU: 55555554
[    8.988100] Call Trace:
[    8.988117]  <TASK>
[    8.988134]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.988165]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.988187]  cleanup_net (net/core/net_namespace.c:702)
[    8.988210]  process_one_work (kernel/workqueue.c:3314)
[    8.988235]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.988259]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.988282]  kthread (kernel/kthread.c:436)
[    8.988310]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.988333]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.988356]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.988379]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.988424] ---[ end trace 0000000000000000 ]---
| [    8.988551] ------------[ cut here ]------------
| [    8.988581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    8.988711] Tainted: [W]=WARN
[    8.988730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.988768] Workqueue: netns cleanup_net
[    8.988794] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.988822] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.988914] RSP: 0018:ff68b2e300067ce8 EFLAGS: 00010286
[    8.988942] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.988991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    8.989030] RBP: 0000000000000000 R08: ff491547c3117790 R09: ff491547c4b29830
[    8.989075] R10: ff491547c4b33120 R11: fefefefefefefeff R12: 0000000000000000
[    8.989116] R13: 0000000000000011 R14: ff491547c4b33000 R15: ff491547c1939200
[    8.989161] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    8.989209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.989243] CR2: 00007fd88f273f98 CR3: 000000001b443005 CR4: 0000000000771ef0
[    8.989287] PKRU: 55555554
[    8.989300] Call Trace:
[    8.989315]  <TASK>
[    8.989330]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.989360]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    8.989383]  cleanup_net (net/core/net_namespace.c:702)
[    8.989406]  process_one_work (kernel/workqueue.c:3314)
[    8.989428]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.989451]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.989473]  kthread (kernel/kthread.c:436)
[    8.989495]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.989522]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.989544]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.989566]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.989611] ---[ end trace 0000000000000000 ]---
| [    8.996043] ------------[ cut here ]------------
| [    8.996093] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    8.996218] Tainted: [W]=WARN
[    8.996239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.996274] Workqueue: netns cleanup_net
[    8.996299] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.996329] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.996430] RSP: 0018:ff68b2e300067c08 EFLAGS: 00010286
[    8.996458] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    8.996506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    8.996548] RBP: 0000000000000000 R08: ff491547c6442b10 R09: ff491547c4b33034
[    8.996594] R10: ff491547c4b30120 R11: fefefefefefefeff R12: 0000000000000000
[    8.996641] R13: 0000000000000010 R14: ff491547c4b30000 R15: ff491547c1939200
[    8.996687] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    8.996734] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.996773] CR2: 00007fd88f273f98 CR3: 000000001b443005 CR4: 0000000000771ef0
[    8.996820] PKRU: 55555554
[    8.996842] Call Trace:
[    8.996858]  <TASK>
[    8.996876]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.996902]  netif_close_many (net/core/dev.c:1804)
[    8.996929]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.996960]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.996999]  ? xas_load (lib/xarray.c:239)
[    8.997032]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.997064]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.997093]  cleanup_net (net/core/net_namespace.c:702)
[    8.997119]  process_one_work (kernel/workqueue.c:3314)
[    8.997146]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.997170]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.997195]  kthread (kernel/kthread.c:436)
[    8.997216]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.997242]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.997264]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.997285]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.997325] ---[ end trace 0000000000000000 ]---
| [    8.997380] ------------[ cut here ]------------
| [    8.997410] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    8.997534] Tainted: [W]=WARN
[    8.997555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.997590] Workqueue: netns cleanup_net
[    8.997613] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.997641] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.997743] RSP: 0018:ff68b2e300067c08 EFLAGS: 00010286
[    8.997774] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    8.997815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    8.997859] RBP: 0000000000000000 R08: ff491547c6442b90 R09: ff491547c4b33034
[    8.997902] R10: ff491547c4adc120 R11: fefefefefefefeff R12: 0000000000000000
[    8.997947] R13: 0000000000000010 R14: ff491547c4adc000 R15: ff491547c1939200
[    8.997992] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    8.998042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.998081] CR2: 00007fd88f273f98 CR3: 000000001b443005 CR4: 0000000000771ef0
[    8.998127] PKRU: 55555554
[    8.998142] Call Trace:
[    8.998156]  <TASK>
[    8.998170]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    8.998193]  netif_close_many (net/core/dev.c:1804)
[    8.998217]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    8.998248]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    8.998277]  ? xas_load (lib/xarray.c:239)
[    8.998298]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.998328]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.998352]  cleanup_net (net/core/net_namespace.c:702)
[    8.998380]  process_one_work (kernel/workqueue.c:3314)
[    8.998407]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.998430]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.998454]  kthread (kernel/kthread.c:436)
[    8.998481]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.998505]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.998529]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.998553]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.998594] ---[ end trace 0000000000000000 ]---
| [    8.998684] ------------[ cut here ]------------
| [    8.998714] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    8.998825] Tainted: [W]=WARN
[    8.998845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.998880] Workqueue: netns cleanup_net
[    8.998902] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.998934] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.999041] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    8.999075] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    8.999114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    8.999154] RBP: 0000000000000000 R08: ff491547c6442b10 R09: ff491547c2000034
[    8.999195] R10: ff491547c4b30120 R11: fefefefefefefeff R12: 0000000000000000
[    8.999236] R13: 0000000000000011 R14: ff491547c4b30000 R15: ff491547c1939200
[    8.999280] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    8.999325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.999360] CR2: 00007fd88f273f98 CR3: 000000001b443005 CR4: 0000000000771ef0
[    8.999408] PKRU: 55555554
[    8.999422] Call Trace:
[    8.999436]  <TASK>
[    8.999455]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.999486]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    8.999517]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    8.999541]  cleanup_net (net/core/net_namespace.c:702)
[    8.999563]  process_one_work (kernel/workqueue.c:3314)
[    8.999583]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    8.999608]  ? rescuer_thread (kernel/workqueue.c:3672)
[    8.999630]  kthread (kernel/kthread.c:436)
[    8.999654]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.999674]  ret_from_fork (arch/x86/kernel/process.c:158)
[    8.999695]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    8.999715]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.999754] ---[ end trace 0000000000000000 ]---
| [    8.999836] ------------[ cut here ]------------
| [    8.999867] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    8.999990] Tainted: [W]=WARN
[    9.000012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.000050] Workqueue: netns cleanup_net
[    9.000073] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.000102] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.000200] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    9.000227] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.000267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    9.000310] RBP: 0000000000000000 R08: ff491547c192fb90 R09: ff491547c4b0802c
[    9.000351] R10: ff491547c4b02120 R11: fefefefefefefeff R12: 0000000000000000
[    9.000390] R13: 0000000000000011 R14: ff491547c4b02000 R15: ff491547c1939200
[    9.000435] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    9.000481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.000514] CR2: 00007fd88f273f98 CR3: 000000001b443005 CR4: 0000000000771ef0
[    9.000561] PKRU: 55555554
[    9.000575] Call Trace:
[    9.000589]  <TASK>
[    9.000603]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.000631]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.000660]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.000685]  cleanup_net (net/core/net_namespace.c:702)
[    9.000708]  process_one_work (kernel/workqueue.c:3314)
[    9.000734]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.000760]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.000785]  kthread (kernel/kthread.c:436)
[    9.000810]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.000832]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.000854]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.000875]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.000908] ---[ end trace 0000000000000000 ]---
| [    9.000984] ------------[ cut here ]------------
| [    9.001014] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    9.001129] Tainted: [W]=WARN
[    9.001153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.001192] Workqueue: netns cleanup_net
[    9.001215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.001245] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.001341] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    9.001369] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.001410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    9.001452] RBP: 0000000000000000 R08: ff491547c6442b90 R09: ff491547c4ad4834
[    9.001492] R10: ff491547c4adc120 R11: fefefefefefefeff R12: 0000000000000000
[    9.001537] R13: 0000000000000011 R14: ff491547c4adc000 R15: ff491547c1939200
[    9.001584] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    9.001627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.001664] CR2: 00007fd88f273f98 CR3: 000000001b443005 CR4: 0000000000771ef0
[    9.001709] PKRU: 55555554
[    9.001723] Call Trace:
[    9.001741]  <TASK>
[    9.001757]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.001785]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.001816]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.001839]  cleanup_net (net/core/net_namespace.c:702)
[    9.001861]  process_one_work (kernel/workqueue.c:3314)
[    9.001881]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.001905]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.001928]  kthread (kernel/kthread.c:436)
[    9.001949]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.001978]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.002000]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.002028]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.002069] ---[ end trace 0000000000000000 ]---
| [    9.002139] ------------[ cut here ]------------
| [    9.002168] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/12
| [    9.002283] Tainted: [W]=WARN
[    9.002306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.002341] Workqueue: netns cleanup_net
[    9.002362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.002392] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.002484] RSP: 0018:ff68b2e300067c78 EFLAGS: 00010286
[    9.002514] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.002563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff491547c1939200
[    9.002607] RBP: 0000000000000000 R08: ff491547c3117690 R09: ff491547c4b1802c
[    9.002649] R10: ff491547c4b16120 R11: fefefefefefefeff R12: 0000000000000000
[    9.002691] R13: 0000000000000011 R14: ff491547c4b16000 R15: ff491547c1939200
[    9.002737] FS:  0000000000000000(0000) GS:ff49154871ac9000(0000) knlGS:0000000000000000
[    9.002786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.002821] CR2: 00007fd88f273f98 CR3: 000000001b443005 CR4: 0000000000771ef0
[    9.002865] PKRU: 55555554
[    9.002881] Call Trace:
[    9.002895]  <TASK>
[    9.002909]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.002938]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.002965]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.003000]  cleanup_net (net/core/net_namespace.c:702)
[    9.003030]  process_one_work (kernel/workqueue.c:3314)
[    9.003051]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.003073]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.003093]  kthread (kernel/kthread.c:436)
[    9.003118]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.003140]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.003165]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


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