======================================
| 0
| xx__-> [    2.243899] ------------[ cut here ]------------
| [    2.243963] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.244095] Tainted: [W]=WARN
[    2.244117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.244165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.244194] 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
[    2.244286] RSP: 0018:ff6880b6c037fcc8 EFLAGS: 00010286
[    2.244319] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.244358] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.244412] RBP: 0000000000000000 R08: ff3c0a474445d850 R09: ff3c0a474462f02c
[    2.244452] R10: ff3c0a474462a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.244492] R13: 0000000000000010 R14: ff3c0a474462a000 R15: ff3c0a4743128600
[    2.244530] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.244575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.244609] CR2: 0000000000404110 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.244651] PKRU: 55555554
[    2.244664] Call Trace:
[    2.244690]  <TASK>
[    2.244704]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.244734]  register_netdevice (net/core/dev.c:11488)
[    2.244753]  register_netdev (net/core/dev.c:11552)
[    2.244774]  loopback_net_init (drivers/net/loopback.c:218)
[    2.244796]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.244832]  ops_init (net/core/net_namespace.c:137)
[    2.244855]  setup_net (net/core/net_namespace.c:446)
[    2.244874]  copy_net_ns (net/core/net_namespace.c:579)
[    2.244904]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.244935]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.244965]  ksys_unshare (kernel/fork.c:3243)
[    2.244991]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.245012]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.245034]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.245065] RIP: 0033:0x7febbd91bbcb
[    2.245087] 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
[    2.245179] RSP: 002b:00007fff12249688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.245228] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007febbd91bbcb
[    2.245269] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.245310] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.245352] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.245396] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.245450] ---[ end trace 0000000000000000 ]---
| [    2.245534] ------------[ cut here ]------------
| [    2.245593] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.245731] Tainted: [W]=WARN
[    2.245751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.245778] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.245805] 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
[    2.245907] RSP: 0018:ff6880b6c037fcb0 EFLAGS: 00010286
[    2.245937] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.245988] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.246032] RBP: 0000000000000000 R08: ff3c0a474444c950 R09: ff3c0a474462c030
[    2.246073] R10: ff3c0a474462f120 R11: fefefefefefefeff R12: 0000000000000000
[    2.246113] R13: 0000000000000010 R14: ff3c0a474462f000 R15: ff3c0a4743128600
[    2.246162] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.246209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.246244] CR2: 0000000000404110 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.246280] PKRU: 55555554
[    2.246295] Call Trace:
[    2.246308]  <TASK>
[    2.246322]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.246342]  register_netdevice (net/core/dev.c:11488)
[    2.246372]  register_netdev (net/core/dev.c:11552)
[    2.246392]  sit_init_net (net/ipv6/sit.c:1860)
[    2.246415]  ops_init (net/core/net_namespace.c:137)
[    2.246436]  setup_net (net/core/net_namespace.c:446)
[    2.246458]  copy_net_ns (net/core/net_namespace.c:579)
[    2.246482]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.246506]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.246666]  ksys_unshare (kernel/fork.c:3243)
[    2.246695]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.246719]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.246739]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.246769] RIP: 0033:0x7febbd91bbcb
[    2.246791] 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
[    2.246885] RSP: 002b:00007fff12249688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.246926] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007febbd91bbcb
[    2.246965] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.247013] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.247056] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.247095] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.247153] ---[ end trace 0000000000000000 ]---
| [    2.247417] ------------[ cut here ]------------
| [    2.247457] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.247576] Tainted: [W]=WARN
[    2.247601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.247633] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.247665] 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
[    2.247771] RSP: 0018:ff6880b6c037fcc8 EFLAGS: 00010286
[    2.247800] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.247850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.247884] RBP: 0000000000000000 R08: ff3c0a474191fa50 R09: ff3c0a474469b02c
[    2.247926] R10: ff3c0a474464e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.247971] R13: 0000000000000010 R14: ff3c0a474464e000 R15: ff3c0a4743128600
[    2.248015] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.248054] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.248087] CR2: 0000000000404110 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.248131] PKRU: 55555554
[    2.248146] Call Trace:
[    2.248162]  <TASK>
[    2.248177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.248200]  register_netdevice (net/core/dev.c:11488)
[    2.248222]  register_netdev (net/core/dev.c:11552)
[    2.248247]  loopback_net_init (drivers/net/loopback.c:218)
[    2.248268]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.248300]  ops_init (net/core/net_namespace.c:137)
[    2.248324]  setup_net (net/core/net_namespace.c:446)
[    2.248344]  copy_net_ns (net/core/net_namespace.c:579)
[    2.248363]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.248394]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.248425]  ksys_unshare (kernel/fork.c:3243)
[    2.248448]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.248467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.248490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.248521] RIP: 0033:0x7febbd91bbcb
[    2.248541] 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
[    2.248635] RSP: 002b:00007fff12249688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.248682] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007febbd91bbcb
[    2.248730] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.248771] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.248811] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.248853] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.248908] ---[ end trace 0000000000000000 ]---
| [    2.248977] ------------[ cut here ]------------
| [    2.249013] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.249134] Tainted: [W]=WARN
[    2.249153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.249190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.249221] 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
[    2.249316] RSP: 0018:ff6880b6c037fcb0 EFLAGS: 00010286
[    2.249342] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.249385] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.249423] RBP: 0000000000000000 R08: ff3c0a474191dbd0 R09: ff3c0a4744698030
[    2.249458] R10: ff3c0a474469b120 R11: fefefefefefefeff R12: 0000000000000000
[    2.249497] R13: 0000000000000010 R14: ff3c0a474469b000 R15: ff3c0a4743128600
[    2.249542] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.249578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.249613] CR2: 0000000000404110 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.249662] PKRU: 55555554
[    2.249677] Call Trace:
[    2.249736]  <TASK>
[    2.249751]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.249779]  register_netdevice (net/core/dev.c:11488)
[    2.249801]  register_netdev (net/core/dev.c:11552)
[    2.249821]  sit_init_net (net/ipv6/sit.c:1860)
[    2.249843]  ops_init (net/core/net_namespace.c:137)
[    2.249867]  setup_net (net/core/net_namespace.c:446)
[    2.249884]  copy_net_ns (net/core/net_namespace.c:579)
[    2.249904]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.249929]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.249957]  ksys_unshare (kernel/fork.c:3243)
[    2.249976]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.250000]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.250025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.250055] RIP: 0033:0x7febbd91bbcb
[    2.250079] 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
[    2.250184] RSP: 002b:00007fff12249688 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.250224] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007febbd91bbcb
[    2.250273] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.250320] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.250364] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.250408] R13: 00000000004162f0 R14: 0000000000000016 R15: 0000000000000020
| [    2.250469] ---[ end trace 0000000000000000 ]---
| [    2.250601] ------------[ cut here ]------------
| [    2.250658] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.250776] Tainted: [W]=WARN
[    2.250795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.250835] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.250864] 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
[    2.250960] RSP: 0018:ff6880b6c037f7b0 EFLAGS: 00010286
[    2.250988] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.251031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.251073] RBP: 0000000000000000 R08: ff3c0a474191dcd0 R09: ff3c0a47446ab034
[    2.251113] R10: ff3c0a474469f120 R11: fefefefefefefeff R12: 0000000000000000
[    2.251153] R13: 0000000000000010 R14: ff3c0a474469f000 R15: ff3c0a4743128400
[    2.251202] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.251251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.251293] CR2: 0000000000404110 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.251341] PKRU: 55555554
[    2.251355] Call Trace:
[    2.251375]  <TASK>
[    2.251390]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.251410]  __dev_notify_flags (net/core/dev.c:9787)
[    2.251434]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.251456]  veth_newlink (drivers/net/veth.c:1871)
[    2.251477]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.251500]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.251527]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.251553]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.251574]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.251596]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.251621]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.251644]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.251666]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.251698] RIP: 0033:0x7febbd89308e
[    2.251720] 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
[    2.251824] RSP: 002b:00007fff12248d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.251872] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007febbd89308e
[    2.251910] RDX: 0000000000000078 RSI: 00007fff12248e10 RDI: 0000000000000008
[    2.251950] RBP: 00007fff12248d90 R08: 0000000000000000 R09: 0000000000000000
[    2.251994] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.252036] R13: 0000000000000045 R14: 000000000040e8fc R15: 0000000000000020
| [    2.252088] ---[ end trace 0000000000000000 ]---
| [    2.252213] ------------[ cut here ]------------
| [    2.252254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.252370] Tainted: [W]=WARN
[    2.252391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.252427] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.252456] 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
[    2.252551] RSP: 0018:ff6880b6c037fa30 EFLAGS: 00010286
[    2.252579] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.252620] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.252662] RBP: 0000000000000000 R08: ff3c0a4743294b90 R09: ff3c0a47446a8034
[    2.252706] R10: ff3c0a4744698120 R11: fefefefefefefeff R12: 0000000000000000
[    2.252754] R13: 0000000000000010 R14: ff3c0a4744698000 R15: ff3c0a4743128400
[    2.252801] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.252846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.252887] CR2: 0000000000404110 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.252934] PKRU: 55555554
[    2.252950] Call Trace:
[    2.252965]  <TASK>
[    2.252981]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.253005]  __dev_notify_flags (net/core/dev.c:9787)
[    2.253031]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.253054]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.253077]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.253106]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.253129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.253154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.253177]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.253199]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.253220]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.253245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.253276] RIP: 0033:0x7febbd89308e
[    2.253304] 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
[    2.253410] RSP: 002b:00007fff12248d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.253457] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007febbd89308e
[    2.253500] RDX: 0000000000000078 RSI: 00007fff12248e10 RDI: 0000000000000008
[    2.253547] RBP: 00007fff12248d90 R08: 0000000000000000 R09: 0000000000000000
[    2.253594] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.253641] R13: 0000000000000045 R14: 000000000040e8fc R15: 0000000000000020
| [    2.253702] ---[ end trace 0000000000000000 ]---
| [    2.253860] ------------[ cut here ]------------
| [    2.253906] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.254021] Tainted: [W]=WARN
[    2.254048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.254090] Workqueue: netns cleanup_net
[    2.254112] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.254140] 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
[    2.254235] RSP: 0018:ff6880b6c023fce8 EFLAGS: 00010286
[    2.254268] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.254314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.254355] RBP: 0000000000000000 R08: ff3c0a474444c950 R09: ff3c0a4744632830
[    2.254402] R10: ff3c0a474462f120 R11: fefefefefefefeff R12: 0000000000000000
[    2.254451] R13: 0000000000000011 R14: ff3c0a474462f000 R15: ff3c0a4743128400
[    2.254493] FS:  0000000000000000(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.254534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.254565] CR2: 0000000000404110 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.254605] PKRU: 55555554
[    2.254621] Call Trace:
[    2.254636]  <TASK>
[    2.254650]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.254678]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.254703]  cleanup_net (net/core/net_namespace.c:702)
[    2.254730]  process_one_work (kernel/workqueue.c:3314)
[    2.254755]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.254788]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.254814]  kthread (kernel/kthread.c:436)
[    2.254836]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.254860]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.254884]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.254903]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.254938] ---[ end trace 0000000000000000 ]---
| [    2.255241] ------------[ cut here ]------------
| [    2.255276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.255403] Tainted: [W]=WARN
[    2.255418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.255459] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.255493] 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
[    2.255589] RSP: 0018:ff6880b6c037fcc8 EFLAGS: 00010286
[    2.255620] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.255663] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.255713] RBP: 0000000000000000 R08: ff3c0a4743133650 R09: ff3c0a47446d002c
[    2.255754] R10: ff3c0a47446d3120 R11: fefefefefefefeff R12: 0000000000000000
[    2.255796] R13: 0000000000000010 R14: ff3c0a47446d3000 R15: ff3c0a4743128400
[    2.255832] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.255874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.255909] CR2: 0000000003feb018 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.255953] PKRU: 55555554
[    2.255965] Call Trace:
[    2.255980]  <TASK>
[    2.255995]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.256015]  register_netdevice (net/core/dev.c:11488)
[    2.256041]  register_netdev (net/core/dev.c:11552)
[    2.256063]  loopback_net_init (drivers/net/loopback.c:218)
[    2.256085]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.256113]  ops_init (net/core/net_namespace.c:137)
[    2.256136]  setup_net (net/core/net_namespace.c:446)
[    2.256160]  copy_net_ns (net/core/net_namespace.c:579)
[    2.256184]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.256215]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.256244]  ksys_unshare (kernel/fork.c:3243)
[    2.256267]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.256288]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.256307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.256336] RIP: 0033:0x7febbd91bbcb
[    2.256358] 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
[    2.256457] RSP: 002b:00007fff122496e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.256500] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febbd91bbcb
[    2.256552] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.256595] RBP: 000000006a10d609 R08: 0000000000000000 R09: 0000000000000000
[    2.256634] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.256668] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.256730] ---[ end trace 0000000000000000 ]---
| [    2.256789] ------------[ cut here ]------------
| [    2.256816] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.256920] Tainted: [W]=WARN
[    2.256946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.256975] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.257004] 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
[    2.257094] RSP: 0018:ff6880b6c037fcb0 EFLAGS: 00010286
[    2.257122] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.257164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.257210] RBP: 0000000000000000 R08: ff3c0a4743133750 R09: ff3c0a47446d5030
[    2.257254] R10: ff3c0a47446d0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.257296] R13: 0000000000000010 R14: ff3c0a47446d0000 R15: ff3c0a4743128400
[    2.257350] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.257394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.257429] CR2: 0000000003feb018 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.257469] PKRU: 55555554
[    2.257484] Call Trace:
[    2.257495]  <TASK>
[    2.257511]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.257529]  register_netdevice (net/core/dev.c:11488)
[    2.257559]  register_netdev (net/core/dev.c:11552)
[    2.257580]  sit_init_net (net/ipv6/sit.c:1860)
[    2.257602]  ops_init (net/core/net_namespace.c:137)
[    2.257626]  setup_net (net/core/net_namespace.c:446)
[    2.257655]  copy_net_ns (net/core/net_namespace.c:579)
[    2.257674]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.257704]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.257735]  ksys_unshare (kernel/fork.c:3243)
[    2.257757]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.257775]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.257798]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.257830] RIP: 0033:0x7febbd91bbcb
[    2.257854] 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
[    2.257951] RSP: 002b:00007fff122496e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.257997] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febbd91bbcb
[    2.258040] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.258084] RBP: 000000006a10d609 R08: 0000000000000000 R09: 0000000000000000
[    2.258128] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.258166] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.258223] ---[ end trace 0000000000000000 ]---
| [    2.258467] ------------[ cut here ]------------
| [    2.258495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.258611] Tainted: [W]=WARN
[    2.258634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.258670] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.258774] 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
[    2.258881] RSP: 0018:ff6880b6c037fcc8 EFLAGS: 00010286
[    2.258911] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.258952] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.258993] RBP: 0000000000000000 R08: ff3c0a4741904650 R09: ff3c0a47446e402c
[    2.259034] R10: ff3c0a47446e7120 R11: fefefefefefefeff R12: 0000000000000000
[    2.259076] R13: 0000000000000010 R14: ff3c0a47446e7000 R15: ff3c0a4743128400
[    2.259118] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.259161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.259195] CR2: 0000000003feb018 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.259240] PKRU: 55555554
[    2.259257] Call Trace:
[    2.259274]  <TASK>
[    2.259288]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.259306]  register_netdevice (net/core/dev.c:11488)
[    2.259329]  register_netdev (net/core/dev.c:11552)
[    2.259349]  loopback_net_init (drivers/net/loopback.c:218)
[    2.259374]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.259405]  ops_init (net/core/net_namespace.c:137)
[    2.259427]  setup_net (net/core/net_namespace.c:446)
[    2.259457]  copy_net_ns (net/core/net_namespace.c:579)
[    2.259476]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.259506]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.259530]  ksys_unshare (kernel/fork.c:3243)
[    2.259557]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.259583]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.259603]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.259632] RIP: 0033:0x7febbd91bbcb
[    2.259655] 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
[    2.259749] RSP: 002b:00007fff122496e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.259790] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febbd91bbcb
[    2.259836] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.259883] RBP: 000000006a10d609 R08: 0000000000000000 R09: 0000000000000000
[    2.259924] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.259964] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.260019] ---[ end trace 0000000000000000 ]---
| [    2.260115] ------------[ cut here ]------------
| [    2.260142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.260255] Tainted: [W]=WARN
[    2.260280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.260313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.260338] 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
[    2.260435] RSP: 0018:ff6880b6c037fcb0 EFLAGS: 00010286
[    2.260463] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.260498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.260535] RBP: 0000000000000000 R08: ff3c0a4741904750 R09: ff3c0a47446f9030
[    2.260580] R10: ff3c0a47446e4120 R11: fefefefefefefeff R12: 0000000000000000
[    2.260626] R13: 0000000000000010 R14: ff3c0a47446e4000 R15: ff3c0a4743128400
[    2.260669] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.260718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.260755] CR2: 0000000003feb018 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.260793] PKRU: 55555554
[    2.260809] Call Trace:
[    2.260822]  <TASK>
[    2.260835]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.260855]  register_netdevice (net/core/dev.c:11488)
[    2.260875]  register_netdev (net/core/dev.c:11552)
[    2.260899]  sit_init_net (net/ipv6/sit.c:1860)
[    2.260917]  ops_init (net/core/net_namespace.c:137)
[    2.260940]  setup_net (net/core/net_namespace.c:446)
[    2.260964]  copy_net_ns (net/core/net_namespace.c:579)
[    2.260987]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.261014]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.261040]  ksys_unshare (kernel/fork.c:3243)
[    2.261061]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.261083]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.261105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.261132] RIP: 0033:0x7febbd91bbcb
[    2.261149] 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
[    2.261255] RSP: 002b:00007fff122496e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.261297] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febbd91bbcb
[    2.261340] RDX: 0000000000000000 RSI: 000000000040eaf7 RDI: 0000000040000000
[    2.261389] RBP: 000000006a10d609 R08: 0000000000000000 R09: 0000000000000000
[    2.261434] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fe000a
[    2.261476] R13: 0000000000000000 R14: 0000000000000016 R15: 0000000000000020
| [    2.261531] ---[ end trace 0000000000000000 ]---
| [    2.270497] ------------[ cut here ]------------
| [    2.270555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.270680] Tainted: [W]=WARN
[    2.270706] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.270744] Workqueue: netns cleanup_net
[    2.270771] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.270801] 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
[    2.270901] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    2.270929] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.270965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.271005] RBP: 0000000000000000 R08: ff3c0a4743294b90 R09: ff3c0a47446b3834
[    2.271045] R10: ff3c0a4744698120 R11: fefefefefefefeff R12: 0000000000000000
[    2.271088] R13: 0000000000000011 R14: ff3c0a4744698000 R15: ff3c0a4743128400
[    2.271132] FS:  0000000000000000(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.271181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.271221] CR2: 00007febbd81ff89 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.271265] PKRU: 55555554
[    2.271283] Call Trace:
[    2.271299]  <TASK>
[    2.271316]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.271346]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.271376]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.271399]  cleanup_net (net/core/net_namespace.c:702)
[    2.271422]  process_one_work (kernel/workqueue.c:3314)
[    2.271445]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.271469]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.271491]  kthread (kernel/kthread.c:436)
[    2.271512]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.271534]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.271562]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.271582]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.271618] ---[ end trace 0000000000000000 ]---
| [    2.271698] ------------[ cut here ]------------
| [    2.271728] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.271841] Tainted: [W]=WARN
[    2.271862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.271895] Workqueue: netns cleanup_net
[    2.271916] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.271949] 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
[    2.272043] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    2.272072] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.272113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.272154] RBP: 0000000000000000 R08: ff3c0a474191dcd0 R09: ff3c0a47446a2034
[    2.272198] R10: ff3c0a474469f120 R11: fefefefefefefeff R12: 0000000000000000
[    2.272240] R13: 0000000000000011 R14: ff3c0a474469f000 R15: ff3c0a4743128400
[    2.272282] FS:  0000000000000000(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.272322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.272358] CR2: 00007febbd81ff89 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.272407] PKRU: 55555554
[    2.272422] Call Trace:
[    2.272435]  <TASK>
[    2.272449]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.272477]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.272505]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.272527]  cleanup_net (net/core/net_namespace.c:702)
[    2.272550]  process_one_work (kernel/workqueue.c:3314)
[    2.272574]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.272597]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.272625]  kthread (kernel/kthread.c:436)
[    2.272646]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.272666]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.272690]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.272712]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.272749] ---[ end trace 0000000000000000 ]---
| [    2.272916] ------------[ cut here ]------------
| [    2.272979] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.273099] Tainted: [W]=WARN
[    2.273121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.273161] Workqueue: netns cleanup_net
[    2.273184] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.273215] 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
[    2.273307] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    2.273333] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.273374] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.273414] RBP: 0000000000000000 R08: ff3c0a474445d850 R09: ff3c0a474125702c
[    2.273455] R10: ff3c0a474462a120 R11: fefefefefefefeff R12: 0000000000000000
[    2.273496] R13: 0000000000000011 R14: ff3c0a474462a000 R15: ff3c0a4743128400
[    2.273547] FS:  0000000000000000(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.273593] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.273626] CR2: 00007febbd97ddc0 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.273671] PKRU: 55555554
[    2.273690] Call Trace:
[    2.273704]  <TASK>
[    2.273720]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.273750]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.273774]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.273798]  cleanup_net (net/core/net_namespace.c:702)
[    2.273821]  process_one_work (kernel/workqueue.c:3314)
[    2.273846]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.273869]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.273889]  kthread (kernel/kthread.c:436)
[    2.273907]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.273931]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.273952]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.273974]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.274014] ---[ end trace 0000000000000000 ]---
| [    2.278939] ------------[ cut here ]------------
| [    2.278998] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.279112] Tainted: [W]=WARN
[    2.279136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.279176] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.279205] 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
[    2.279303] RSP: 0018:ff6880b6c037f7b0 EFLAGS: 00010286
[    2.279335] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.279376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.279419] RBP: 0000000000000000 R08: ff3c0a474607abd0 R09: ff3c0a474462e034
[    2.279461] R10: ff3c0a474469c120 R11: fefefefefefefeff R12: 0000000000000000
[    2.279500] R13: 0000000000000010 R14: ff3c0a474469c000 R15: ff3c0a4743128600
[    2.279543] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.279584] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.279622] CR2: 0000000004001218 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.279663] PKRU: 55555554
[    2.279678] Call Trace:
[    2.279724]  <TASK>
[    2.279743]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.279767]  __dev_notify_flags (net/core/dev.c:9787)
[    2.279787]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.279810]  veth_newlink (drivers/net/veth.c:1871)
[    2.279838]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.279865]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.279890]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.279915]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.279938]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.279962]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.279987]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.280010]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.280033]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.280064] RIP: 0033:0x7febbd89ee32
[    2.280085] 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)
[    2.280176] RSP: 002b:00007fff12248dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.280216] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007febbd89ee32
[    2.280258] RDX: 0000000000000078 RSI: 00007fff12248e70 RDI: 0000000000000009
[    2.280301] RBP: 00007fff12248df0 R08: 0000000000000000 R09: 0000000000000000
[    2.280349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.280390] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000020
| [    2.280448] ---[ end trace 0000000000000000 ]---
| [    2.280563] ------------[ cut here ]------------
| [    2.280624] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.280782] Tainted: [W]=WARN
[    2.280803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.280841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.280870] 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
[    2.280968] RSP: 0018:ff6880b6c037fa30 EFLAGS: 00010286
[    2.280999] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.281040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.281082] RBP: 0000000000000000 R08: ff3c0a474607ab50 R09: ff3c0a47446ff034
[    2.281126] R10: ff3c0a4744628120 R11: fefefefefefefeff R12: 0000000000000000
[    2.281177] R13: 0000000000000010 R14: ff3c0a4744628000 R15: ff3c0a4743128600
[    2.281220] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.281264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.281299] CR2: 0000000004001218 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.281341] PKRU: 55555554
[    2.281356] Call Trace:
[    2.281369]  <TASK>
[    2.281385]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.281408]  __dev_notify_flags (net/core/dev.c:9787)
[    2.281431]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.281457]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.281480]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.281508]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.281534]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.281558]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.281581]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.281609]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.281629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.281654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.281684] RIP: 0033:0x7febbd89ee32
[    2.281711] 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)
[    2.281806] RSP: 002b:00007fff12248dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.281847] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007febbd89ee32
[    2.281892] RDX: 0000000000000078 RSI: 00007fff12248e70 RDI: 0000000000000009
[    2.281933] RBP: 00007fff12248df0 R08: 0000000000000000 R09: 0000000000000000
[    2.281973] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.282015] R13: 0000000000000045 R14: 0000000000412230 R15: 0000000000000020
| [    2.282071] ---[ end trace 0000000000000000 ]---
| [    2.282124] ------------[ cut here ]------------
| [    2.282150] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.282265] Tainted: [W]=WARN
[    2.282288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.282323] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.282352] 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
[    2.282442] RSP: 0018:ff6880b6c037f8e0 EFLAGS: 00010286
[    2.282470] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.282515] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128400
[    2.282555] RBP: 0000000000000000 R08: ff3c0a474607abd0 R09: ff3c0a47446ff034
[    2.282597] R10: ff3c0a474469c120 R11: fefefefefefefeff R12: 0000000000000000
[    2.282638] R13: 0000000000000010 R14: ff3c0a474469c000 R15: ff3c0a4743128400
[    2.282681] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.282726] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.282762] CR2: 0000000004001218 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.282803] PKRU: 55555554
[    2.282818] Call Trace:
[    2.282832]  <TASK>
[    2.282847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.282871]  __dev_notify_flags (net/core/dev.c:9787)
[    2.282893]  netif_change_flags (net/core/dev.c:9820)
[    2.282915]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.282938]  ? netlink_set_err (net/netlink/af_netlink.c:1624 (discriminator 3))
[    2.282962]  ? rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:971 net/core/rtnetlink.c:4529)
[    2.282990]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.283021]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    2.283044]  ? netdev_run_todo (net/core/dev.c:11703)
[    2.283067]  ? __dev_notify_flags (net/core/dev.c:9787)
[    2.283091]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.283114]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.283137]  ? __alloc_skb (net/core/skbuff.c:702 (discriminator 7))
[    2.283161]  ? netlink_attachskb (net/netlink/af_netlink.c:1222)
[    2.283191]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.283214]  ? 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))
[    2.283243]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.283264]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.283295]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.283317]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.283347]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.283369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.283393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.283416]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.283439]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.283462]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.283487]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.283515] RIP: 0033:0x7febbd89ee32
[    2.283540] 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)
[    2.283630] RSP: 002b:00007fff12248dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.283674] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007febbd89ee32
[    2.283719] RDX: 0000000000000020 RSI: 00007fff12248e50 RDI: 0000000000000009
[    2.283763] RBP: 00007fff12248e00 R08: 0000000000000000 R09: 0000000000000000
[    2.283801] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000062bd5dff
[    2.283843] R13: 00007febbd840cc3 R14: 0000000001fe000a R15: 0000000000000000
| [    2.283897] ---[ end trace 0000000000000000 ]---
| [    2.283989] ------------[ cut here ]------------
| [    2.284017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: connect-deny_ip/146
| [    2.284131] Tainted: [W]=WARN
[    2.284154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.284190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.284221] 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
[    2.284313] RSP: 0018:ff6880b6c037f8e0 EFLAGS: 00010286
[    2.284343] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.284383] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.284424] RBP: 0000000000000000 R08: ff3c0a474607ab50 R09: ff3c0a47446ff034
[    2.284463] R10: ff3c0a4744628120 R11: fefefefefefefeff R12: 0000000000000000
[    2.284502] R13: 0000000000000010 R14: ff3c0a4744628000 R15: ff3c0a4743128600
[    2.284543] FS:  00007febbd820780(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.284586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.284618] CR2: 00007febbd01ccd4 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.284657] PKRU: 55555554
[    2.284674] Call Trace:
[    2.284698]  <TASK>
[    2.284743]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.284764]  __dev_notify_flags (net/core/dev.c:9787)
[    2.284790]  netif_change_flags (net/core/dev.c:9820)
[    2.284812]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.284834]  ? alloc_pages_mpol (mm/mempolicy.c:2490)
[    2.284860]  ? __pte_offset_map (./include/linux/rcupdate.h:836 mm/pgtable-generic.c:290)
[    2.284884]  ? walk_pte_range_inner (mm/pagewalk.c:39)
[    2.284914]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.284944]  ? __alloc_frozen_pages_noprof (mm/page_alloc.c:5226)
[    2.284975]  ? guard_install_pmd_entry (mm/madvise.c:1085)
[    2.285004]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.285028]  ? idr_replace (lib/idr.c:304)
[    2.285052]  ? cpu_util.constprop.0 (kernel/sched/fair.c:8322 (discriminator 1))
[    2.285084]  ? sched_balance_find_dst_group (kernel/sched/fair.c:8354 kernel/sched/fair.c:11037 kernel/sched/fair.c:11167)
[    2.285111]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.285131]  ? 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))
[    2.285163]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.285185]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.285209]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.285238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.285262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.285284]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.285303]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.285326]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.285349]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.285370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.285399] RIP: 0033:0x7febbd89ee32
[    2.285420] 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)
[    2.285513] RSP: 002b:00007fff12248dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.285552] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007febbd89ee32
[    2.285592] RDX: 0000000000000020 RSI: 00007fff12248e50 RDI: 0000000000000009
[    2.285640] RBP: 00007fff12248e00 R08: 0000000000000000 R09: 0000000000000000
[    2.285680] R10: 0000000000000000 R11: 0000000000000246 R12: 000000002167fdf2
[    2.285727] R13: 0000000000000000 R14: 000000000101000a R15: 00007febbd840cc3
| [    2.285781] ---[ end trace 0000000000000000 ]---
| [    2.285846] ------------[ cut here ]------------
| [    2.285884] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/45
| [    2.286004] Tainted: [W]=WARN
[    2.286025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.286062] Workqueue: events_unbound linkwatch_event
[    2.286092] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.286123] 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
[    2.286229] RSP: 0018:ff6880b6c0193d50 EFLAGS: 00010286
[    2.286258] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.286300] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    2.286345] RBP: 0000000000000000 R08: ff3c0a474607abd0 R09: ff3c0a4741e83034
[    2.286391] R10: ff3c0a474469c120 R11: fefefefefefefeff R12: 0000000000000000
[    2.286431] R13: 0000000000000010 R14: ff3c0a474469c000 R15: ff3c0a4743032000
[    2.286476] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    2.286518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.286553] CR2: 00007febb0006128 CR3: 00000000032c0003 CR4: 0000000000771ef0
[    2.286597] PKRU: 55555554
[    2.286615] Call Trace:
[    2.286629]  <TASK>
[    2.286644]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.286667]  netif_state_change (net/core/dev.c:1605)
[    2.286695]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.286717]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.286741]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.286765]  process_one_work (kernel/workqueue.c:3314)
[    2.286787]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.286805]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.286830]  kthread (kernel/kthread.c:436)
[    2.286851]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.286869]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.286891]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.286912]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.286948] ---[ end trace 0000000000000000 ]---
| [    2.310495] ------------[ cut here ]------------
| [    2.310560] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.310667] Tainted: [W]=WARN
[    2.310694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.310733] Workqueue: netns cleanup_net
[    2.310757] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.310786] 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
[    2.310890] RSP: 0018:ff6880b6c023fce8 EFLAGS: 00010286
[    2.310920] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.310962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.311003] RBP: 0000000000000000 R08: ff3c0a474191dbd0 R09: ff3c0a4744642830
[    2.311048] R10: ff3c0a474469b120 R11: fefefefefefefeff R12: 0000000000000000
[    2.311090] R13: 0000000000000011 R14: ff3c0a474469b000 R15: ff3c0a4743128600
[    2.311139] FS:  0000000000000000(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.311193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.311229] CR2: 0000000004005038 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.311274] PKRU: 55555554
[    2.311290] Call Trace:
[    2.311305]  <TASK>
[    2.311320]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.311351]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.311375]  cleanup_net (net/core/net_namespace.c:702)
[    2.311397]  process_one_work (kernel/workqueue.c:3314)
[    2.311420]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.311442]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.311464]  kthread (kernel/kthread.c:436)
[    2.311484]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.311503]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.311522]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.311542]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.311868] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
| [    2.321198] ------------[ cut here ]------------
| [    2.321260] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.321388] Tainted: [W]=WARN
[    2.321406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.321433] Workqueue: netns cleanup_net
[    2.321456] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.321488] 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
[    2.321585] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    2.321613] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.321658] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743128600
[    2.321698] RBP: 0000000000000000 R08: ff3c0a474191fa50 R09: ff3c0a474464502c
[    2.321740] R10: ff3c0a474464e120 R11: fefefefefefefeff R12: 0000000000000000
[    2.321785] R13: 0000000000000011 R14: ff3c0a474464e000 R15: ff3c0a4743128600
[    2.321830] FS:  0000000000000000(0000) GS:ff3c0a47ed849000(0000) knlGS:0000000000000000
[    2.321875] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.321911] CR2: 0000000004005038 CR3: 00000000032c0006 CR4: 0000000000771ef0
[    2.321951] PKRU: 55555554
[    2.321965] Call Trace:
[    2.321984]  <TASK>
[    2.321999]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.322029]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.322059]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.322079]  cleanup_net (net/core/net_namespace.c:702)
[    2.322103]  process_one_work (kernel/workqueue.c:3314)
[    2.322129]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.322152]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.322176]  kthread (kernel/kthread.c:436)
[    2.322199]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.322221]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.322241]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.322263]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.322299] ---[ end trace 0000000000000000 ]---
| [    3.277298] ------------[ cut here ]------------
| [    3.277376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/37
| [    3.277510] Tainted: [W]=WARN
[    3.277535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.277570] Workqueue: events_unbound linkwatch_event
[    3.277602] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.277631] 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
[    3.277730] RSP: 0018:ff6880b6c0153d50 EFLAGS: 00010286
[    3.277762] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.277797] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    3.277836] RBP: 0000000000000000 R08: ff3c0a474607ab50 R09: ff3c0a4741e83034
[    3.277882] R10: ff3c0a4744628120 R11: fefefefefefefeff R12: 0000000000000000
[    3.277923] R13: 0000000000000010 R14: ff3c0a4744628000 R15: ff3c0a4743032000
[    3.277967] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    3.278010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.278051] CR2: 00007febb0007008 CR3: 00000000032c0003 CR4: 0000000000771ef0
[    3.278091] PKRU: 55555554
[    3.278110] Call Trace:
[    3.278126]  <TASK>
[    3.278140]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.278163]  netif_state_change (net/core/dev.c:1605)
[    3.278186]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    3.278209]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    3.278245]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    3.278266]  process_one_work (kernel/workqueue.c:3314)
[    3.278291]  ? __timer_delete_sync (kernel/time/timer.c:1467 (discriminator 3) kernel/time/timer.c:1621 (discriminator 3))
[    3.278322]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.278346]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.278365]  kthread (kernel/kthread.c:436)
[    3.278386]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.278408]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.278431]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.278452]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    8.461167] TCP: TCP-AO: the keyid 100 from SYN packet is not present - not sending SYNACK
| [    9.061262] ------------[ cut here ]------------
| [    9.061328] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.061499] Tainted: [W]=WARN
[    9.061526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.061565] Workqueue: netns cleanup_net
[    9.061589] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.061615] 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
[    9.061718] RSP: 0018:ff6880b6c023fce8 EFLAGS: 00010286
[    9.061747] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.061786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.061829] RBP: 0000000000000000 R08: ff3c0a4743133750 R09: ff3c0a47446c5830
[    9.061868] R10: ff3c0a47446d0120 R11: fefefefefefefeff R12: 0000000000000000
[    9.061909] R13: 0000000000000011 R14: ff3c0a47446d0000 R15: ff3c0a4743032000
[    9.061954] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.062002] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.062030] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.062074] PKRU: 55555554
[    9.062089] Call Trace:
[    9.062105]  <TASK>
[    9.062121]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.062152]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.062185]  cleanup_net (net/core/net_namespace.c:702)
[    9.062208]  process_one_work (kernel/workqueue.c:3314)
[    9.062233]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.062255]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.062276]  kthread (kernel/kthread.c:436)
[    9.062302]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.062326]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.062354]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.062376]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.062417] ---[ end trace 0000000000000000 ]---
| [    9.062529] ------------[ cut here ]------------
| [    9.062555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.062671] Tainted: [W]=WARN
[    9.062691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.062733] Workqueue: netns cleanup_net
[    9.062756] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.062784] 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
[    9.062879] RSP: 0018:ff6880b6c023fce8 EFLAGS: 00010286
[    9.062907] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.062941] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.062986] RBP: 0000000000000000 R08: ff3c0a4741904750 R09: ff3c0a4744701830
[    9.063028] R10: ff3c0a47446e4120 R11: fefefefefefefeff R12: 0000000000000000
[    9.063074] R13: 0000000000000011 R14: ff3c0a47446e4000 R15: ff3c0a4743032000
[    9.063121] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.063168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.063204] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.063249] PKRU: 55555554
[    9.063265] Call Trace:
[    9.063281]  <TASK>
[    9.063296]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.063327]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    9.063352]  cleanup_net (net/core/net_namespace.c:702)
[    9.063375]  process_one_work (kernel/workqueue.c:3314)
[    9.063399]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.063421]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.063443]  kthread (kernel/kthread.c:436)
[    9.063464]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.063485]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.063506]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.063525]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.063563] ---[ end trace 0000000000000000 ]---
| [    9.072198] ------------[ cut here ]------------
| [    9.072262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.072397] Tainted: [W]=WARN
[    9.072417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.072454] Workqueue: netns cleanup_net
[    9.072479] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.072509] 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
[    9.072611] RSP: 0018:ff6880b6c023fc08 EFLAGS: 00010286
[    9.072641] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    9.072681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.072730] RBP: 0000000000000000 R08: ff3c0a474607ab50 R09: ff3c0a47446e4034
[    9.072770] R10: ff3c0a4744628120 R11: fefefefefefefeff R12: 0000000000000000
[    9.072810] R13: 0000000000000010 R14: ff3c0a4744628000 R15: ff3c0a4743032000
[    9.072852] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.072894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.072930] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.072970] PKRU: 55555554
[    9.072984] Call Trace:
[    9.072997]  <TASK>
[    9.073014]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.073034]  netif_close_many (net/core/dev.c:1804)
[    9.073058]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    9.073089]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    9.073116]  ? xas_load (lib/xarray.c:239)
[    9.073139]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.073176]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.073201]  cleanup_net (net/core/net_namespace.c:702)
[    9.073223]  process_one_work (kernel/workqueue.c:3314)
[    9.073244]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.073266]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.073288]  kthread (kernel/kthread.c:436)
[    9.073307]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.073324]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.073345]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.073365]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.073403] ---[ end trace 0000000000000000 ]---
| [    9.073461] ------------[ cut here ]------------
| [    9.073487] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.073590] Tainted: [W]=WARN
[    9.073611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.073646] Workqueue: netns cleanup_net
[    9.073667] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.073697] 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
[    9.073801] RSP: 0018:ff6880b6c023fc08 EFLAGS: 00010286
[    9.073829] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[    9.073870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.073913] RBP: 0000000000000000 R08: ff3c0a474607abd0 R09: ff3c0a47446e4034
[    9.073954] R10: ff3c0a474469c120 R11: fefefefefefefeff R12: 0000000000000000
[    9.073995] R13: 0000000000000010 R14: ff3c0a474469c000 R15: ff3c0a4743032000
[    9.074036] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.074080] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.074115] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.074162] PKRU: 55555554
[    9.074176] Call Trace:
[    9.074191]  <TASK>
[    9.074205]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    9.074225]  netif_close_many (net/core/dev.c:1804)
[    9.074247]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[    9.074274]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[    9.074303]  ? xas_load (lib/xarray.c:239)
[    9.074326]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.074352]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.074372]  cleanup_net (net/core/net_namespace.c:702)
[    9.074392]  process_one_work (kernel/workqueue.c:3314)
[    9.074412]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.074434]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.074456]  kthread (kernel/kthread.c:436)
[    9.074475]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.074496]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.074516]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.074539]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.074574] ---[ end trace 0000000000000000 ]---
| [    9.074641] ------------[ cut here ]------------
| [    9.074668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.074788] Tainted: [W]=WARN
[    9.074808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.074840] Workqueue: netns cleanup_net
[    9.074862] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.074889] 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
[    9.074988] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    9.075016] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.075056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.075098] RBP: 0000000000000000 R08: ff3c0a474607ab50 R09: ff3c0a47446f7034
[    9.075141] R10: ff3c0a4744628120 R11: fefefefefefefeff R12: 0000000000000000
[    9.075188] R13: 0000000000000011 R14: ff3c0a4744628000 R15: ff3c0a4743032000
[    9.075235] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.075269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.075303] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.075347] PKRU: 55555554
[    9.075360] Call Trace:
[    9.075374]  <TASK>
[    9.075388]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.075418]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.075446]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.075473]  cleanup_net (net/core/net_namespace.c:702)
[    9.075496]  process_one_work (kernel/workqueue.c:3314)
[    9.075518]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.075539]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.075559]  kthread (kernel/kthread.c:436)
[    9.075580]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.075602]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.075624]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.075646]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.075678] ---[ end trace 0000000000000000 ]---
| [    9.075757] ------------[ cut here ]------------
| [    9.075809] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.075925] Tainted: [W]=WARN
[    9.075948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.075982] Workqueue: netns cleanup_net
[    9.076002] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.076033] 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
[    9.076131] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    9.076160] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.076205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.076246] RBP: 0000000000000000 R08: ff3c0a4743133650 R09: ff3c0a47446b402c
[    9.076289] R10: ff3c0a47446d3120 R11: fefefefefefefeff R12: 0000000000000000
[    9.076331] R13: 0000000000000011 R14: ff3c0a47446d3000 R15: ff3c0a4743032000
[    9.076372] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.076420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.076449] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.076494] PKRU: 55555554
[    9.076508] Call Trace:
[    9.076523]  <TASK>
[    9.076536]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.076564]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.076592]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.076612]  cleanup_net (net/core/net_namespace.c:702)
[    9.076635]  process_one_work (kernel/workqueue.c:3314)
[    9.076659]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.076680]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.076706]  kthread (kernel/kthread.c:436)
[    9.076730]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.076751]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.076774]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.076823]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.076861] ---[ end trace 0000000000000000 ]---
| [    9.076927] ------------[ cut here ]------------
| [    9.076959] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.077073] Tainted: [W]=WARN
[    9.077094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.077131] Workqueue: netns cleanup_net
[    9.077153] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.077182] 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
[    9.077278] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    9.077309] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.077358] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.077396] RBP: 0000000000000000 R08: ff3c0a474607abd0 R09: ff3c0a47446a0834
[    9.077438] R10: ff3c0a474469c120 R11: fefefefefefefeff R12: 0000000000000000
[    9.077482] R13: 0000000000000011 R14: ff3c0a474469c000 R15: ff3c0a4743032000
[    9.077522] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.077565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.077599] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.077641] PKRU: 55555554
[    9.077654] Call Trace:
[    9.077669]  <TASK>
[    9.077683]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.077715]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.077745]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.077777]  cleanup_net (net/core/net_namespace.c:702)
[    9.077798]  process_one_work (kernel/workqueue.c:3314)
[    9.077826]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.077848]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.077868]  kthread (kernel/kthread.c:436)
[    9.077888]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.077910]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.077932]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.077954]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    9.077987] ---[ end trace 0000000000000000 ]---
| [    9.078052] ------------[ cut here ]------------
| [    9.078078] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/65
| [    9.078193] Tainted: [W]=WARN
[    9.078213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.078251] Workqueue: netns cleanup_net
[    9.078274] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.078303] 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
[    9.078401] RSP: 0018:ff6880b6c023fc78 EFLAGS: 00010286
[    9.078426] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    9.078475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3c0a4743032000
[    9.078515] RBP: 0000000000000000 R08: ff3c0a4741904650 R09: ff3c0a47446f002c
[    9.078556] R10: ff3c0a47446e7120 R11: fefefefefefefeff R12: 0000000000000000
[    9.078599] R13: 0000000000000011 R14: ff3c0a47446e7000 R15: ff3c0a4743032000
[    9.078639] FS:  0000000000000000(0000) GS:ff3c0a47ed8c9000(0000) knlGS:0000000000000000
[    9.078680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.078714] CR2: 00007fd72efbdf98 CR3: 0000000034c43005 CR4: 0000000000771ef0
[    9.078755] PKRU: 55555554
[    9.078770] Call Trace:
[    9.078784]  <TASK>
[    9.078796]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.078824]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    9.078854]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    9.078875]  cleanup_net (net/core/net_namespace.c:702)
[    9.078897]  process_one_work (kernel/workqueue.c:3314)
[    9.078921]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    9.078947]  ? rescuer_thread (kernel/workqueue.c:3672)
[    9.078971]  kthread (kernel/kthread.c:436)
[    9.078990]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    9.079009]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.079028]  ? 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