======================================
| xx__-> [    2.230446] ------------[ cut here ]------------
| [    2.230483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/202
| [    2.230598] Modules linked in:
| [    2.230718] Tainted: [W]=WARN
[    2.230765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.230822] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.230876] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.230964] RSP: 0018:ff91e0640040fcb8 EFLAGS: 00010286
[    2.231018] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.231087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b5830bb000
[    2.231146] RBP: 0000000000000000 R08: ff4822b5833563d0 R09: ff4822b58553502c
[    2.231208] R10: ff4822b585530120 R11: fefefefefefefeff R12: 0000000000000000
[    2.231267] R13: 0000000000000010 R14: ff4822b585530000 R15: ff4822b5830bb000
[    2.231334] FS:  00007f7cca658840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.231396] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.231450] CR2: 0000000000479648 CR3: 00000000033a4002 CR4: 0000000000771ef0
[    2.231513] PKRU: 55555554
[    2.231561] Call Trace:
[    2.231616]  <TASK>
[    2.231664]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.231716]  register_netdevice (net/core/dev.c:11488)
[    2.231768]  register_netdev (net/core/dev.c:11552)
[    2.231819]  loopback_net_init (drivers/net/loopback.c:218)
[    2.231872]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.231928]  ops_init (net/core/net_namespace.c:137)
[    2.231981]  setup_net (net/core/net_namespace.c:446)
[    2.232032]  copy_net_ns (net/core/net_namespace.c:579)
[    2.232091]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.232148]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.232202]  ksys_unshare (kernel/fork.c:3243)
[    2.232254]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.232305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.232358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.232412] RIP: 0033:0x7f7cca91abcb
[    2.232463] 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
[    2.232549] RSP: 002b:00007ffc1567d3d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.232615] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cca91abcb
[    2.232675] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.232735] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.232795] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1567f600
[    2.232857] R13: 0000000000000001 R14: 00007f7cca6586f8 R15: 00007ffc1568083d
| [    2.233106] ------------[ cut here ]------------
| [    2.233158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/202
| [    2.233224] Modules linked in:
| [    2.233343] Tainted: [W]=WARN
[    2.233390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.233445] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.233500] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.233594] RSP: 0018:ff91e0640040fc10 EFLAGS: 00010286
[    2.233650] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.233709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b5830bb000
[    2.233766] RBP: 0000000000000000 R08: ff4822b5833564d0 R09: ff4822b583e57030
[    2.233828] R10: ff4822b585535120 R11: fefefefefefefeff R12: 0000000000000000
[    2.233886] R13: 0000000000000010 R14: ff4822b585535000 R15: ff4822b5830bb000
[    2.233948] FS:  00007f7cca658840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.234010] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.234072] CR2: 0000000000479648 CR3: 00000000033a4002 CR4: 0000000000771ef0
[    2.234133] PKRU: 55555554
[    2.234176] Call Trace:
[    2.234222]  <TASK>
[    2.234268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.234319]  register_netdevice (net/core/dev.c:11488)
[    2.234370]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.234423]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.234474]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.234527]  ops_init (net/core/net_namespace.c:137)
[    2.234578]  setup_net (net/core/net_namespace.c:446)
[    2.234636]  copy_net_ns (net/core/net_namespace.c:579)
[    2.234688]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.234742]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.234796]  ksys_unshare (kernel/fork.c:3243)
[    2.234847]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.234897]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.234949]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.235002] RIP: 0033:0x7f7cca91abcb
[    2.235060] 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
[    2.235147] RSP: 002b:00007ffc1567d3d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.235208] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cca91abcb
[    2.235270] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.235329] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.235386] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1567f600
[    2.235445] R13: 0000000000000001 R14: 00007f7cca6586f8 R15: 00007ffc1568083d
| [    2.235706] ------------[ cut here ]------------
| [    2.235761] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/202
| [    2.235827] Modules linked in:
| [    2.235946] Tainted: [W]=WARN
[    2.235994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.236056] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.236110] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.236196] RSP: 0018:ff91e0640040fbf0 EFLAGS: 00010286
[    2.236248] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.236308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583344400
[    2.236365] RBP: 0000000000000000 R08: ff4822b583d8e490 R09: ff4822b585549030
[    2.236424] R10: ff4822b585534120 R11: fefefefefefefeff R12: 0000000000000000
[    2.236482] R13: 0000000000000010 R14: ff4822b585534000 R15: ff4822b583344400
[    2.236543] FS:  00007f7cca658840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.236609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.236667] CR2: 0000000000479648 CR3: 00000000033a4002 CR4: 0000000000771ef0
[    2.236727] PKRU: 55555554
[    2.236772] Call Trace:
[    2.236817]  <TASK>
[    2.236864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.236915]  register_netdevice (net/core/dev.c:11488)
[    2.236965]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.237017]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.237076]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.237127]  ops_init (net/core/net_namespace.c:137)
[    2.237178]  setup_net (net/core/net_namespace.c:446)
[    2.237229]  copy_net_ns (net/core/net_namespace.c:579)
[    2.237280]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.237334]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.237387]  ksys_unshare (kernel/fork.c:3243)
[    2.237438]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.237490]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.237540]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.237601] RIP: 0033:0x7f7cca91abcb
[    2.237652] 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
[    2.237738] RSP: 002b:00007ffc1567d3d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.237798] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cca91abcb
[    2.237857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.237914] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.237971] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1567f600
[    2.238030] R13: 0000000000000001 R14: 00007f7cca6586f8 R15: 00007ffc1568083d
| [    2.238252] ------------[ cut here ]------------
| [    2.238305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/202
| [    2.238369] Modules linked in:
| [    2.238485] Tainted: [W]=WARN
[    2.238532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.238594] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.238650] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.238736] RSP: 0018:ff91e0640040fca8 EFLAGS: 00010286
[    2.238789] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.238848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583344300
[    2.238906] RBP: 0000000000000000 R08: ff4822b583d6a950 R09: ff4822b585540034
[    2.238964] R10: ff4822b585543120 R11: fefefefefefefeff R12: 0000000000000000
[    2.239021] R13: 0000000000000010 R14: ff4822b585543000 R15: ff4822b583344300
[    2.239092] FS:  00007f7cca658840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.239153] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.239209] CR2: 0000000000479648 CR3: 00000000033a4002 CR4: 0000000000771ef0
[    2.239270] PKRU: 55555554
[    2.239318] Call Trace:
[    2.239363]  <TASK>
[    2.239409]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.239460]  register_netdevice (net/core/dev.c:11488)
[    2.239511]  register_netdev (net/core/dev.c:11552)
[    2.239561]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.239619]  ops_init (net/core/net_namespace.c:137)
[    2.239672]  setup_net (net/core/net_namespace.c:446)
[    2.239723]  copy_net_ns (net/core/net_namespace.c:579)
[    2.239774]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.239828]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.239882]  ksys_unshare (kernel/fork.c:3243)
[    2.239932]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.239983]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.240034]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.240093] RIP: 0033:0x7f7cca91abcb
[    2.240143] 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
[    2.240229] RSP: 002b:00007ffc1567d3d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.240289] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cca91abcb
[    2.240348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.240407] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.240468] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1567f600
[    2.240526] R13: 0000000000000001 R14: 00007f7cca6586f8 R15: 00007ffc1568083d
| [    2.240749] ------------[ cut here ]------------
| [    2.240801] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/202
| [    2.240866] Modules linked in:
| [    2.240985] Tainted: [W]=WARN
[    2.241034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.241097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.241150] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.241236] RSP: 0018:ff91e0640040fca0 EFLAGS: 00010286
[    2.241289] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.241348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b5830bb300
[    2.241407] RBP: 0000000000000000 R08: ff4822b58329a990 R09: ff4822b585545030
[    2.241465] R10: ff4822b585540120 R11: fefefefefefefeff R12: 0000000000000000
[    2.241522] R13: 0000000000000010 R14: ff4822b585540000 R15: ff4822b5830bb300
[    2.241590] FS:  00007f7cca658840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.241651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.241707] CR2: 0000000000479648 CR3: 00000000033a4002 CR4: 0000000000771ef0
[    2.241767] PKRU: 55555554
[    2.241810] Call Trace:
[    2.241856]  <TASK>
[    2.241902]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.241953]  register_netdevice (net/core/dev.c:11488)
[    2.242003]  register_netdev (net/core/dev.c:11552)
[    2.242061]  sit_init_net (net/ipv6/sit.c:1860)
[    2.242112]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.242164]  ops_init (net/core/net_namespace.c:137)
[    2.242215]  setup_net (net/core/net_namespace.c:446)
[    2.242266]  copy_net_ns (net/core/net_namespace.c:579)
[    2.242316]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.242370]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.242424]  ksys_unshare (kernel/fork.c:3243)
[    2.242474]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.242526]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.242577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.242637] RIP: 0033:0x7f7cca91abcb
[    2.242687] 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
[    2.242773] RSP: 002b:00007ffc1567d3d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.242834] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cca91abcb
[    2.242891] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.242950] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.243007] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1567f600
[    2.243074] R13: 0000000000000001 R14: 00007f7cca6586f8 R15: 00007ffc1568083d
| [    2.243319] ------------[ cut here ]------------
| [    2.243371] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/202
| [    2.243436] Modules linked in:
| [    2.243556] Tainted: [W]=WARN
[    2.243610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.243666] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.243719] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.243806] RSP: 0018:ff91e0640040fca8 EFLAGS: 00010286
[    2.243859] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.243918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b5830be700
[    2.243976] RBP: 0000000000000000 R08: ff4822b5832aeb90 R09: ff4822b585552030
[    2.244033] R10: ff4822b585545120 R11: fefefefefefefeff R12: 0000000000000000
[    2.244097] R13: 0000000000000010 R14: ff4822b585545000 R15: ff4822b5830be700
[    2.244159] FS:  00007f7cca658840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.244220] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.244274] CR2: 0000000000479648 CR3: 00000000033a4002 CR4: 0000000000771ef0
[    2.244335] PKRU: 55555554
[    2.244380] Call Trace:
[    2.244425]  <TASK>
[    2.244470]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.244522]  register_netdevice (net/core/dev.c:11488)
[    2.244572]  register_netdev (net/core/dev.c:11552)
[    2.244629]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.244681]  ops_init (net/core/net_namespace.c:137)
[    2.244732]  setup_net (net/core/net_namespace.c:446)
[    2.244783]  copy_net_ns (net/core/net_namespace.c:579)
[    2.244834]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.244888]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.244942]  ksys_unshare (kernel/fork.c:3243)
[    2.244993]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.245051]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.245101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.245155] RIP: 0033:0x7f7cca91abcb
[    2.245204] 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
[    2.245290] RSP: 002b:00007ffc1567d3d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.245350] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7cca91abcb
[    2.245408] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.245466] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.245523] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc1567f600
[    2.245581] R13: 0000000000000001 R14: 00007f7cca6586f8 R15: 00007ffc1568083d
| [    2.248519] ------------[ cut here ]------------
| [    2.248538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/203
| [    2.248565] Modules linked in:
| [    2.248617] Tainted: [W]=WARN
[    2.248629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.248648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.248663] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.248714] RSP: 0018:ff91e0640040f720 EFLAGS: 00010286
[    2.248730] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.248757] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583334f00
[    2.248776] RBP: 0000000000000000 R08: ff4822b5833563d0 R09: ff4822b582fc802c
[    2.248797] R10: ff4822b585530120 R11: fefefefefefefeff R12: 0000000000000000
[    2.248817] R13: 0000000000000010 R14: ff4822b585530000 R15: ff4822b583334f00
[    2.248842] FS:  00007f8cda34b840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.248864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.248881] CR2: 000000000a918988 CR3: 00000000054de002 CR4: 0000000000771ef0
[    2.248906] PKRU: 55555554
[    2.248913] Call Trace:
[    2.248919]  <TASK>
[    2.248927]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.248938]  __dev_notify_flags (net/core/dev.c:9787)
[    2.248951]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.248961]  netif_change_flags (net/core/dev.c:9820)
[    2.248972]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.248984]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.249002]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.249014]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.249027]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.249043]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.249062]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.249075]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.249089]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.249102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.249114]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.249129]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.249144]  ___sys_sendmsg (net/socket.c:2752)
[    2.249156]  __sys_sendmsg (net/socket.c:2784)
[    2.249167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.249178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.249194] RIP: 0033:0x7f8cda58508e
[    2.249207] 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
[    2.249251] RSP: 002b:00007ffd9e1452b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.249270] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8cda58508e
[    2.249293] RDX: 0000000000000000 RSI: 00007ffd9e145360 RDI: 0000000000000005
[    2.249312] RBP: 00007ffd9e1452c0 R08: 0000000000000000 R09: 0000000000000000
[    2.249332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.249355] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd9e145a30
| [    2.260904] ------------[ cut here ]------------
| [    2.260931] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.260963] Modules linked in:
| [    2.261005] Tainted: [W]=WARN
[    2.261016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.261033] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.261055] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.261102] RSP: 0018:ff91e0640045fcb8 EFLAGS: 00010286
[    2.261116] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.261140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583334f00
[    2.261159] RBP: 0000000000000000 R08: ff4822b583edf6d0 R09: ff4822b5855c202c
[    2.261180] R10: ff4822b585555120 R11: fefefefefefefeff R12: 0000000000000000
[    2.261201] R13: 0000000000000010 R14: ff4822b585555000 R15: ff4822b583334f00
[    2.261226] FS:  00007f69a3241840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.261250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.261267] CR2: 00007f69a3448430 CR3: 0000000003f60002 CR4: 0000000000771ef0
[    2.261290] PKRU: 55555554
[    2.261299] Call Trace:
[    2.261308]  <TASK>
[    2.261316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.261326]  register_netdevice (net/core/dev.c:11488)
[    2.261337]  register_netdev (net/core/dev.c:11552)
[    2.261347]  loopback_net_init (drivers/net/loopback.c:218)
[    2.261358]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.261375]  ops_init (net/core/net_namespace.c:137)
[    2.261386]  setup_net (net/core/net_namespace.c:446)
[    2.261398]  copy_net_ns (net/core/net_namespace.c:579)
[    2.261413]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.261426]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.261440]  ksys_unshare (kernel/fork.c:3243)
[    2.261451]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.261463]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.261476]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.261491] RIP: 0033:0x7f69a3503bcb
[    2.261505] 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
[    2.261556] RSP: 002b:00007ffd0141f848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.261578] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f69a3503bcb
[    2.261602] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.261625] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.261647] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd01421a70
[    2.261666] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0142383d
| [    2.261760] ------------[ cut here ]------------
| [    2.261774] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.261803] Modules linked in:
| [    2.261848] Tainted: [W]=WARN
[    2.261860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.261875] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.261891] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.261937] RSP: 0018:ff91e0640045fc10 EFLAGS: 00010286
[    2.261951] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.261973] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583086500
[    2.261992] RBP: 0000000000000000 R08: ff4822b583f03890 R09: ff4822b5855b7830
[    2.262014] R10: ff4822b5855c2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.262036] R13: 0000000000000010 R14: ff4822b5855c2000 R15: ff4822b583086500
[    2.262062] FS:  00007f69a3241840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.262085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.262103] CR2: 00007f69a3448430 CR3: 0000000003f60002 CR4: 0000000000771ef0
[    2.262128] PKRU: 55555554
[    2.262137] Call Trace:
[    2.262144]  <TASK>
[    2.262151]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.262164]  register_netdevice (net/core/dev.c:11488)
[    2.262175]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.262186]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.262200]  ? __kmalloc_noprof (mm/slub.c:4572 mm/slub.c:4898 mm/slub.c:5294 mm/slub.c:5307)
[    2.262211]  ops_init (net/core/net_namespace.c:137)
[    2.262224]  setup_net (net/core/net_namespace.c:446)
[    2.262235]  copy_net_ns (net/core/net_namespace.c:579)
[    2.262245]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.262259]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.262273]  ksys_unshare (kernel/fork.c:3243)
[    2.262284]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.262295]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.262306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.262320] RIP: 0033:0x7f69a3503bcb
[    2.262330] 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
[    2.262374] RSP: 002b:00007ffd0141f848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.262397] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f69a3503bcb
[    2.262415] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.262436] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.262458] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd01421a70
[    2.262479] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0142383d
| [    2.262555] ------------[ cut here ]------------
| [    2.262568] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.262598] Modules linked in:
| [    2.262641] Tainted: [W]=WARN
[    2.262653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.262669] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.262685] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.262738] RSP: 0018:ff91e0640045fbf0 EFLAGS: 00010286
[    2.262752] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.262774] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583086e00
[    2.262795] RBP: 0000000000000000 R08: ff4822b583380710 R09: ff4822b5855b5830
[    2.262818] R10: ff4822b5855c1120 R11: fefefefefefefeff R12: 0000000000000000
[    2.262839] R13: 0000000000000010 R14: ff4822b5855c1000 R15: ff4822b583086e00
[    2.262862] FS:  00007f69a3241840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.262882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.262899] CR2: 00007f69a3448430 CR3: 0000000003f60002 CR4: 0000000000771ef0
[    2.262919] PKRU: 55555554
[    2.262926] Call Trace:
[    2.262933]  <TASK>
[    2.262941]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.262952]  register_netdevice (net/core/dev.c:11488)
[    2.262963]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    2.262973]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    2.262984]  vti_init_net (net/ipv4/ip_vti.c:517)
[    2.262995]  ops_init (net/core/net_namespace.c:137)
[    2.263006]  setup_net (net/core/net_namespace.c:446)
[    2.263017]  copy_net_ns (net/core/net_namespace.c:579)
[    2.263028]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.263042]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.263064]  ksys_unshare (kernel/fork.c:3243)
[    2.263076]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.263087]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.263099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.263116] RIP: 0033:0x7f69a3503bcb
[    2.263126] 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
[    2.263171] RSP: 002b:00007ffd0141f848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.263191] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f69a3503bcb
[    2.263210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.263231] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.263250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd01421a70
[    2.263270] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0142383d
| [    2.263350] ------------[ cut here ]------------
| [    2.263365] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.263393] Modules linked in:
| [    2.263430] Tainted: [W]=WARN
[    2.263443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.263457] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.263473] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.263519] RSP: 0018:ff91e0640045fca8 EFLAGS: 00010286
[    2.263532] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.263553] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583334600
[    2.263573] RBP: 0000000000000000 R08: ff4822b5832ae8d0 R09: ff4822b5855c5034
[    2.263601] R10: ff4822b5855c0120 R11: fefefefefefefeff R12: 0000000000000000
[    2.263620] R13: 0000000000000010 R14: ff4822b5855c0000 R15: ff4822b583334600
[    2.263645] FS:  00007f69a3241840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.263666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.263687] CR2: 00007f69a3448430 CR3: 0000000003f60002 CR4: 0000000000771ef0
[    2.263708] PKRU: 55555554
[    2.263715] Call Trace:
[    2.263725]  <TASK>
[    2.263735]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.263746]  register_netdevice (net/core/dev.c:11488)
[    2.263759]  register_netdev (net/core/dev.c:11552)
[    2.263769]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    2.263781]  ops_init (net/core/net_namespace.c:137)
[    2.263791]  setup_net (net/core/net_namespace.c:446)
[    2.263802]  copy_net_ns (net/core/net_namespace.c:579)
[    2.263815]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.263829]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.263846]  ksys_unshare (kernel/fork.c:3243)
[    2.263859]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.263870]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.263881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.263894] RIP: 0033:0x7f69a3503bcb
[    2.263905] 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
[    2.263953] RSP: 002b:00007ffd0141f848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.263976] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f69a3503bcb
[    2.263998] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.264020] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.264041] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd01421a70
[    2.264064] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0142383d
| [    2.264163] ------------[ cut here ]------------
| [    2.264176] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.264205] Modules linked in:
| [    2.264245] Tainted: [W]=WARN
[    2.264254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.264272] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.264289] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.264331] RSP: 0018:ff91e0640045fca0 EFLAGS: 00010286
[    2.264344] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.264365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583344900
[    2.264385] RBP: 0000000000000000 R08: ff4822b5832aea50 R09: ff4822b5855d2030
[    2.264409] R10: ff4822b5855c5120 R11: fefefefefefefeff R12: 0000000000000000
[    2.264428] R13: 0000000000000010 R14: ff4822b5855c5000 R15: ff4822b583344900
[    2.264450] FS:  00007f69a3241840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.264477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.264493] CR2: 00007f69a3448430 CR3: 0000000003f60002 CR4: 0000000000771ef0
[    2.264513] PKRU: 55555554
[    2.264520] Call Trace:
[    2.264530]  <TASK>
[    2.264536]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.264547]  register_netdevice (net/core/dev.c:11488)
[    2.264559]  register_netdev (net/core/dev.c:11552)
[    2.264570]  sit_init_net (net/ipv6/sit.c:1860)
[    2.264585]  ? vti6_init_net (net/ipv6/ip6_vti.c:1173)
[    2.264600]  ops_init (net/core/net_namespace.c:137)
[    2.264613]  setup_net (net/core/net_namespace.c:446)
[    2.264624]  copy_net_ns (net/core/net_namespace.c:579)
[    2.264635]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.264650]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.264666]  ksys_unshare (kernel/fork.c:3243)
[    2.264680]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.264690]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.264701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.264715] RIP: 0033:0x7f69a3503bcb
[    2.264726] 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
[    2.264773] RSP: 002b:00007ffd0141f848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.264792] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f69a3503bcb
[    2.264814] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.264835] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.264856] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd01421a70
[    2.264876] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0142383d
| [    2.264971] ------------[ cut here ]------------
| [    2.264988] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/207
| [    2.265012] Modules linked in:
| [    2.265054] Tainted: [W]=WARN
[    2.265068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.265084] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.265097] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.265141] RSP: 0018:ff91e0640045fca8 EFLAGS: 00010286
[    2.265159] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.265183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583083c00
[    2.265201] RBP: 0000000000000000 R08: ff4822b5832ae910 R09: ff4822b5855d7030
[    2.265222] R10: ff4822b5855d2120 R11: fefefefefefefeff R12: 0000000000000000
[    2.265246] R13: 0000000000000010 R14: ff4822b5855d2000 R15: ff4822b583083c00
[    2.265270] FS:  00007f69a3241840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.265293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.265308] CR2: 00007f69a3448430 CR3: 0000000003f60002 CR4: 0000000000771ef0
[    2.265334] PKRU: 55555554
[    2.265343] Call Trace:
[    2.265350]  <TASK>
[    2.265356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.265369]  register_netdevice (net/core/dev.c:11488)
[    2.265381]  register_netdev (net/core/dev.c:11552)
[    2.265391]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    2.265402]  ops_init (net/core/net_namespace.c:137)
[    2.265415]  setup_net (net/core/net_namespace.c:446)
[    2.265426]  copy_net_ns (net/core/net_namespace.c:579)
[    2.265436]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.265450]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.265468]  ksys_unshare (kernel/fork.c:3243)
[    2.265479]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.265489]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.265502]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.265517] RIP: 0033:0x7f69a3503bcb
[    2.265527] 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
[    2.265576] RSP: 002b:00007ffd0141f848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.265604] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f69a3503bcb
[    2.265623] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.265643] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    2.265665] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd01421a70
[    2.265684] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0142383d
| [    2.268374] ------------[ cut here ]------------
| [    2.268394] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/208
| [    2.268420] Modules linked in:
| [    2.268460] Tainted: [W]=WARN
[    2.268473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.268490] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.268504] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.268555] RSP: 0018:ff91e06400467720 EFLAGS: 00010286
[    2.268573] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.268599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b5830b9900
[    2.268622] RBP: 0000000000000000 R08: ff4822b583edf6d0 R09: ff4822b581caf02c
[    2.268642] R10: ff4822b585555120 R11: fefefefefefefeff R12: 0000000000000000
[    2.268663] R13: 0000000000000010 R14: ff4822b585555000 R15: ff4822b5830b9900
[    2.268689] FS:  00007fa1668ec840(0000) GS:ff4822b62d3c8000(0000) knlGS:0000000000000000
[    2.268713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.268729] CR2: 0000000036c3f988 CR3: 0000000003061005 CR4: 0000000000771ef0
[    2.268753] PKRU: 55555554
[    2.268761] Call Trace:
[    2.268769]  <TASK>
[    2.268776]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.268788]  __dev_notify_flags (net/core/dev.c:9787)
[    2.268800]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.268810]  netif_change_flags (net/core/dev.c:9820)
[    2.268823]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.268836]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.268851]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.268865]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.268879]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.268894]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.268906]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.268917]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.268932]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.268944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.268956]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.268967]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.268980]  ___sys_sendmsg (net/socket.c:2752)
[    2.268992]  __sys_sendmsg (net/socket.c:2784)
[    2.269004]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.269014]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.269031] RIP: 0033:0x7fa166b2608e
[    2.269042] 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
[    2.269095] RSP: 002b:00007ffe704711e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.269115] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa166b2608e
[    2.269138] RDX: 0000000000000000 RSI: 00007ffe70471290 RDI: 0000000000000005
[    2.269156] RBP: 00007ffe704711f0 R08: 0000000000000000 R09: 0000000000000000
[    2.269181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.269203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe70471960
| [    2.341117] ------------[ cut here ]------------
| [    2.341168] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/231
| [    2.341201] Modules linked in:
| [    2.341247] Tainted: [W]=WARN
[    2.341262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.341282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.341299] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.341347] RSP: 0018:ff91e064005175f0 EFLAGS: 00010286
[    2.341360] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.341385] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583334f00
[    2.341408] RBP: 0000000000000000 R08: ff4822b583f03b50 R09: ff4822b58575202c
[    2.341426] R10: ff4822b5855d6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.341446] R13: 0000000000000010 R14: ff4822b5855d6000 R15: ff4822b583334f00
[    2.341475] FS:  00007f0f62bdc840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.341502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.341520] CR2: 000000000042ebe0 CR3: 00000000056fb001 CR4: 0000000000771ef0
[    2.341541] PKRU: 55555554
[    2.341551] Call Trace:
[    2.341559]  <TASK>
[    2.341567]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.341581]  __dev_notify_flags (net/core/dev.c:9787)
[    2.341599]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.341611]  veth_newlink (drivers/net/veth.c:1871)
[    2.341625]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.341636]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.341650]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.341662]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.341677]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.341694]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.341707]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.341721]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.341735]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.341747]  ___sys_sendmsg (net/socket.c:2752)
[    2.341759]  __sys_sendmsg (net/socket.c:2784)
[    2.341770]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.341782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.341798] RIP: 0033:0x7f0f62e1608e
[    2.341808] 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
[    2.341857] RSP: 002b:00007ffcf4297300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.341878] RAX: ffffffffffffffda RBX: 00007ffcf4297aa8 RCX: 00007f0f62e1608e
[    2.341897] RDX: 0000000000000000 RSI: 00007ffcf42973b0 RDI: 0000000000000005
[    2.341921] RBP: 00007ffcf4297310 R08: 0000000000000000 R09: 0000000000000000
[    2.341943] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.341965] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf4297a80
| [    2.342108] ------------[ cut here ]------------
| [    2.342124] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/231
| [    2.342152] Modules linked in:
| [    2.342189] Tainted: [W]=WARN
[    2.342200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.342217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.342236] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.342284] RSP: 0018:ff91e06400517870 EFLAGS: 00010286
[    2.342298] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.342320] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583334f00
[    2.342338] RBP: 0000000000000000 R08: ff4822b5832bf150 R09: ff4822b585757030
[    2.342361] R10: ff4822b5855d7120 R11: fefefefefefefeff R12: 0000000000000000
[    2.342380] R13: 0000000000000010 R14: ff4822b5855d7000 R15: ff4822b583334f00
[    2.342403] FS:  00007f0f62bdc840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.342426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.342443] CR2: 000000000042ebe0 CR3: 00000000056fb001 CR4: 0000000000771ef0
[    2.342467] PKRU: 55555554
[    2.342476] Call Trace:
[    2.342486]  <TASK>
[    2.342498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.342508]  __dev_notify_flags (net/core/dev.c:9787)
[    2.342522]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.342536]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.342549]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.342565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.342578]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.342597]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.342612]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.342624]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.342635]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.342646]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.342658]  ___sys_sendmsg (net/socket.c:2752)
[    2.342670]  __sys_sendmsg (net/socket.c:2784)
[    2.342681]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.342692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.342711] RIP: 0033:0x7f0f62e1608e
[    2.342722] 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
[    2.342768] RSP: 002b:00007ffcf4297300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.342790] RAX: ffffffffffffffda RBX: 00007ffcf4297aa8 RCX: 00007f0f62e1608e
[    2.342810] RDX: 0000000000000000 RSI: 00007ffcf42973b0 RDI: 0000000000000005
[    2.342832] RBP: 00007ffcf4297310 R08: 0000000000000000 R09: 0000000000000000
[    2.342855] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.342878] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf4297a80
| [    2.345612] ------------[ cut here ]------------
| [    2.345632] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/232
| [    2.345660] Modules linked in:
| [    2.345705] Tainted: [W]=WARN
[    2.345718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.345736] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.345753] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.345797] RSP: 0018:ff91e0640051f720 EFLAGS: 00010286
[    2.345811] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.345832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583334f00
[    2.345852] RBP: 0000000000000000 R08: ff4822b5832bf150 R09: ff4822b585757030
[    2.345874] R10: ff4822b5855d7120 R11: fefefefefefefeff R12: 0000000000000000
[    2.345893] R13: 0000000000000010 R14: ff4822b5855d7000 R15: ff4822b583334f00
[    2.345914] FS:  00007f69bbc0e840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.345937] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.345955] CR2: 0000000006266988 CR3: 00000000056e9003 CR4: 0000000000771ef0
[    2.345976] PKRU: 55555554
[    2.345983] Call Trace:
[    2.345990]  <TASK>
[    2.345997]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.346009]  __dev_notify_flags (net/core/dev.c:9787)
[    2.346021]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.346031]  netif_change_flags (net/core/dev.c:9820)
[    2.346042]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.346060]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.346080]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.346092]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.346104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.346118]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.346129]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.346141]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.346155]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.346169]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.346180]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.346194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.346205]  ___sys_sendmsg (net/socket.c:2752)
[    2.346217]  __sys_sendmsg (net/socket.c:2784)
[    2.346227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.346237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.346253] RIP: 0033:0x7f69bbe4808e
[    2.346263] 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
[    2.346313] RSP: 002b:00007ffc72b1edc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.346333] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69bbe4808e
[    2.346356] RDX: 0000000000000000 RSI: 00007ffc72b1ee70 RDI: 0000000000000005
[    2.346374] RBP: 00007ffc72b1edd0 R08: 0000000000000000 R09: 0000000000000000
[    2.346395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.346419] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc72b1f540
| [    2.360056] ------------[ cut here ]------------
| [    2.360112] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/233
| [    2.360180] Modules linked in:
| [    2.360301] Tainted: [W]=WARN
[    2.360350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.360406] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.360462] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.360548] RSP: 0018:ff91e064005276d8 EFLAGS: 00010286
[    2.360609] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.360670] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b5830be300
[    2.360729] RBP: 0000000000000000 R08: ff4822b583f03b50 R09: ff4822b5855da02c
[    2.360786] R10: ff4822b5855d6120 R11: fefefefefefefeff R12: ff91e0640052778c
[    2.360846] R13: 0000000000000011 R14: ff4822b5855d6000 R15: ff4822b5830be300
[    2.360909] FS:  00007ffafe6bd840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.360970] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.361025] CR2: 000000002b6dc988 CR3: 00000000033e5001 CR4: 0000000000771ef0
[    2.361095] PKRU: 55555554
[    2.361139] Call Trace:
[    2.361183]  <TASK>
[    2.361229]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    2.361282]  __dev_change_net_namespace (net/core/dev.c:12635)
[    2.361337]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.361387]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.361440]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.361498]  ? memblock_is_memory (mm/memblock.c:2029)
[    2.361550]  ? __pcs_replace_empty_main (mm/slub.c:4620)
[    2.361613]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.361666]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.361719]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.361774]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.361826]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.361879]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.361934]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.361986]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.362039]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.362099]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.362152]  ___sys_sendmsg (net/socket.c:2752)
[    2.362206]  __sys_sendmsg (net/socket.c:2784)
[    2.362257]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.362309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.362363] RIP: 0033:0x7ffafe8f708e
[    2.362414] 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
[    2.362505] RSP: 002b:00007ffd91930620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.362565] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffafe8f708e
[    2.362632] RDX: 0000000000000000 RSI: 00007ffd919306d0 RDI: 0000000000000005
[    2.362692] RBP: 00007ffd91930630 R08: 0000000000000000 R09: 0000000000000000
[    2.362750] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.362809] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd91930da0
| [    2.363014] ------------[ cut here ]------------
| [    2.363076] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/233
| [    2.363141] Modules linked in:
| [    2.363256] Tainted: [W]=WARN
[    2.363307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.363362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.363415] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.363505] RSP: 0018:ff91e064005276c8 EFLAGS: 00010286
[    2.363558] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.363624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583335e00
[    2.363683] RBP: 0000000000000000 R08: ff4822b583f03b50 R09: ff4822b58555202c
[    2.363741] R10: ff4822b5855d6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.363798] R13: 0000000000000010 R14: ff4822b5855d6000 R15: ff4822b583335e00
[    2.363860] FS:  00007ffafe6bd840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.363924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.363978] CR2: 000000002b6dc988 CR3: 00000000033e5001 CR4: 0000000000771ef0
[    2.364039] PKRU: 55555554
[    2.364094] Call Trace:
[    2.364139]  <TASK>
[    2.364184]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.364236]  __dev_change_net_namespace (net/core/dev.c:12695)
[    2.364289]  ? rtnl_getlink (net/core/rtnetlink.c:4296 (discriminator 3))
[    2.364339]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    2.364391]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.364446]  ? memblock_is_memory (mm/memblock.c:2029)
[    2.364498]  ? __pcs_replace_empty_main (mm/slub.c:4620)
[    2.364552]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.364610]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.364662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.364716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.364767]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.364819]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.364873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.364924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.364976]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.365028]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.365085]  ___sys_sendmsg (net/socket.c:2752)
[    2.365137]  __sys_sendmsg (net/socket.c:2784)
[    2.365189]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.365241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.365294] RIP: 0033:0x7ffafe8f708e
[    2.365343] 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
[    2.365432] RSP: 002b:00007ffd91930620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.365492] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffafe8f708e
[    2.365551] RDX: 0000000000000000 RSI: 00007ffd919306d0 RDI: 0000000000000005
[    2.365617] RBP: 00007ffd91930630 R08: 0000000000000000 R09: 0000000000000000
[    2.365674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.365733] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd91930da0
| [    2.365977] ------------[ cut here ]------------
| [    2.366029] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/233
| [    2.366101] Modules linked in:
| [    2.366220] Tainted: [W]=WARN
[    2.366269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.366324] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.366378] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.366465] RSP: 0018:ff91e064005276f0 EFLAGS: 00010286
[    2.366518] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.366577] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b5830bb000
[    2.366642] RBP: 0000000000000000 R08: ff4822b583f03b50 R09: ff4822b585552030
[    2.366701] R10: ff4822b5855d6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.366759] R13: 0000000000000010 R14: ff4822b5855d6000 R15: ff4822b5830bb000
[    2.366822] FS:  00007ffafe6bd840(0000) GS:ff4822b62d348000(0000) knlGS:0000000000000000
[    2.366886] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.366942] CR2: 000000002b6dc988 CR3: 00000000033e5001 CR4: 0000000000771ef0
[    2.367002] PKRU: 55555554
[    2.367052] Call Trace:
[    2.367097]  <TASK>
[    2.367143]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    2.367195]  notifier_call_chain (kernel/notifier.c:85)
[    2.367247]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[    2.367299]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[    2.367353]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.367408]  ? memblock_is_memory (mm/memblock.c:2029)
[    2.367459]  ? __pcs_replace_empty_main (mm/slub.c:4620)
[    2.367513]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.367565]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.367625]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.367679]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.367730]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.367782]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.367836]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.367888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.367940]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.367992]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.368051]  ___sys_sendmsg (net/socket.c:2752)
[    2.368103]  __sys_sendmsg (net/socket.c:2784)
[    2.368155]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.368206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.368260] RIP: 0033:0x7ffafe8f708e
[    2.368309] 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
[    2.368396] RSP: 002b:00007ffd91930620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.368456] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ffafe8f708e
[    2.368515] RDX: 0000000000000000 RSI: 00007ffd919306d0 RDI: 0000000000000005
[    2.368574] RBP: 00007ffd91930630 R08: 0000000000000000 R09: 0000000000000000
[    2.368640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.368699] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd91930da0
| [    2.371507] ------------[ cut here ]------------
| [    2.371526] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: ip/234
| [    2.371554] Modules linked in:
| [    2.371605] Tainted: [W]=WARN
[    2.371616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.371640] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.371654] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.371700] RSP: 0018:ff91e06400527720 EFLAGS: 00010286
[    2.371714] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.371735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583334f00
[    2.371757] RBP: 0000000000000000 R08: ff4822b583f03b50 R09: ff4822b585757030
[    2.371780] R10: ff4822b5855d6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.371803] R13: 0000000000000010 R14: ff4822b5855d6000 R15: ff4822b583334f00
[    2.371824] FS:  00007f9d3648b840(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.371844] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.371865] CR2: 00000000375bc988 CR3: 000000000570b006 CR4: 0000000000771ef0
[    2.371885] PKRU: 55555554
[    2.371892] Call Trace:
[    2.371899]  <TASK>
[    2.371907]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.371919]  __dev_notify_flags (net/core/dev.c:9787)
[    2.371930]  ? rtnl_getlink (./include/linux/skbuff.h:1323 ./include/linux/skbuff.h:1332 net/core/rtnetlink.c:4288)
[    2.371940]  netif_change_flags (net/core/dev.c:9820)
[    2.371953]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.371964]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.371978]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.371990]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.372001]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.372014]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.372025]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.372035]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.372055]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.372066]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.372078]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.372088]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.372099]  ___sys_sendmsg (net/socket.c:2752)
[    2.372110]  __sys_sendmsg (net/socket.c:2784)
[    2.372121]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.372131]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.372144] RIP: 0033:0x7f9d366c508e
[    2.372156] 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
[    2.372203] RSP: 002b:00007fff914a1bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.372225] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9d366c508e
[    2.372242] RDX: 0000000000000000 RSI: 00007fff914a1c70 RDI: 0000000000000005
[    2.372267] RBP: 00007fff914a1bd0 R08: 0000000000000000 R09: 0000000000000000
[    2.372287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c5c4
[    2.372307] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff914a2340
| [    2.372371] ------------[ cut here ]------------
| [    2.372386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/36
| [    2.372414] Modules linked in:
| [    2.372455] Tainted: [W]=WARN
[    2.372468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.372487] Workqueue: events_unbound linkwatch_event
[    2.372501] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.372517] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.372559] RSP: 0018:ff91e0640014bd50 EFLAGS: 00010286
[    2.372572] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.372596] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583344900
[    2.372622] RBP: 0000000000000000 R08: ff4822b583f03b50 R09: ff4822b585757030
[    2.372644] R10: ff4822b5855d6120 R11: fefefefefefefeff R12: 0000000000000000
[    2.372666] R13: 0000000000000010 R14: ff4822b5855d6000 R15: ff4822b583344900
[    2.372691] FS:  0000000000000000(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.372713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.372728] CR2: 00000000375bc988 CR3: 000000000570b006 CR4: 0000000000771ef0
[    2.372749] PKRU: 55555554
[    2.372757] Call Trace:
[    2.372764]  <TASK>
[    2.372770]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.372780]  netif_state_change (net/core/dev.c:1605)
[    2.372791]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.372801]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.372814]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.372826]  process_one_work (kernel/workqueue.c:3314)
[    2.372837]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.372848]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.372860]  kthread (kernel/kthread.c:436)
[    2.372873]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.372884]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.372898]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.372908]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.372947] ------------[ cut here ]------------
| [    2.372962] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 0/36
| [    2.372986] Modules linked in:
| [    2.373027] Tainted: [W]=WARN
[    2.373039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.373057] Workqueue: events_unbound linkwatch_event
[    2.373073] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.373088] Code: 80 00 00 00 e8 09 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 86 9c fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   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 86 9c fb ff       	call   0xfffffffffffb9cc2
  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 86 9c fb ff       	call   0xfffffffffffb9c98
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.373135] RSP: 0018:ff91e0640014bd50 EFLAGS: 00010286
[    2.373148] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.373169] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff4822b583344900
[    2.373190] RBP: 0000000000000000 R08: ff4822b5832bf150 R09: ff4822b585757030
[    2.373212] R10: ff4822b5855d7120 R11: fefefefefefefeff R12: 0000000000000000
[    2.373231] R13: 0000000000000010 R14: ff4822b5855d7000 R15: ff4822b583344900
[    2.373252] FS:  0000000000000000(0000) GS:ff4822b62d248000(0000) knlGS:0000000000000000
[    2.373276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.373295] CR2: 00000000375bc988 CR3: 000000000570b006 CR4: 0000000000771ef0
[    2.373315] PKRU: 55555554
[    2.373321] Call Trace:
[    2.373328]  <TASK>
[    2.373334]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.373347]  netif_state_change (net/core/dev.c:1605)
[    2.373360]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.373370]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.373386]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.373398]  process_one_work (kernel/workqueue.c:3314)
[    2.373408]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.373420]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.373432]  kthread (kernel/kthread.c:436)
[    2.373443]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.373455]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.373469]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


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