======================================
| 0
| xx__-> [    2.168964] ------------[ cut here ]------------
| [    2.169017] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.169167] Tainted: [W]=WARN
[    2.169189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.169226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.169257] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.169369] RSP: 0018:ff55f2ec0035fcc8 EFLAGS: 00010286
[    2.169406] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.169440] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.169496] RBP: 0000000000000000 R08: ff3a78b643147910 R09: ff3a78b644a7602c
[    2.169538] R10: ff3a78b644a71120 R11: fefefefefefefeff R12: 0000000000000000
[    2.169581] R13: 0000000000000010 R14: ff3a78b644a71000 R15: ff3a78b6418ef600
[    2.169624] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.169676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.169713] CR2: 00007ff421d4c0a0 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.169756] PKRU: 55555554
[    2.169771] Call Trace:
[    2.169789]  <TASK>
[    2.169804]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.169827]  register_netdevice (net/core/dev.c:11488)
[    2.169852]  register_netdev (net/core/dev.c:11552)
[    2.169878]  loopback_net_init (drivers/net/loopback.c:218)
[    2.169902]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.169932]  ops_init (net/core/net_namespace.c:137)
[    2.169956]  setup_net (net/core/net_namespace.c:446)
[    2.169978]  copy_net_ns (net/core/net_namespace.c:579)
[    2.170003]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.170033]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.170062]  ksys_unshare (kernel/fork.c:3243)
[    2.170087]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.170110]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.170134]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.170166] RIP: 0033:0x7ff421dd4bcb
[    2.170190] 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
[    2.170278] RSP: 002b:00007fff4c38e9e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.170322] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff421dd4bcb
[    2.170368] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.170408] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.170452] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.170503] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000080
| [    2.170562] ---[ end trace 0000000000000000 ]---
| [    2.170712] ------------[ cut here ]------------
| [    2.170740] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.170860] Tainted: [W]=WARN
[    2.170882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.170916] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.170945] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.171039] RSP: 0018:ff55f2ec0035fcb0 EFLAGS: 00010286
[    2.171071] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.171114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.171155] RBP: 0000000000000000 R08: ff3a78b643230fd0 R09: ff3a78b644a83030
[    2.171192] R10: ff3a78b644a76120 R11: fefefefefefefeff R12: 0000000000000000
[    2.171238] R13: 0000000000000010 R14: ff3a78b644a76000 R15: ff3a78b6418ef600
[    2.171288] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.171333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.171370] CR2: 00007ff421d4c0a0 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.171414] PKRU: 55555554
[    2.171429] Call Trace:
[    2.171445]  <TASK>
[    2.171464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.171495]  register_netdevice (net/core/dev.c:11488)
[    2.171522]  register_netdev (net/core/dev.c:11552)
[    2.171543]  sit_init_net (net/ipv6/sit.c:1860)
[    2.171572]  ops_init (net/core/net_namespace.c:137)
[    2.171599]  setup_net (net/core/net_namespace.c:446)
[    2.171620]  copy_net_ns (net/core/net_namespace.c:579)
[    2.171641]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.171672]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.171697]  ksys_unshare (kernel/fork.c:3243)
[    2.171722]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.171746]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.171780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.171810] RIP: 0033:0x7ff421dd4bcb
[    2.171834] 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
[    2.171944] RSP: 002b:00007fff4c38e9e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.171992] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff421dd4bcb
[    2.172032] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.172081] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.172129] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.172182] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000080
| [    2.172256] ---[ end trace 0000000000000000 ]---
| [    2.172655] ------------[ cut here ]------------
| [    2.172685] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.172824] Tainted: [W]=WARN
[    2.172842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.172887] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.172917] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.173026] RSP: 0018:ff55f2ec0035fcc8 EFLAGS: 00010286
[    2.173059] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.173099] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.173143] RBP: 0000000000000000 R08: ff3a78b6412288d0 R09: ff3a78b644aaa02c
[    2.173186] R10: ff3a78b644a85120 R11: fefefefefefefeff R12: 0000000000000000
[    2.173221] R13: 0000000000000010 R14: ff3a78b644a85000 R15: ff3a78b6418ef600
[    2.173277] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.173322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.173355] CR2: 00007ff421d4c0a0 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.173407] PKRU: 55555554
[    2.173423] Call Trace:
[    2.173439]  <TASK>
[    2.173455]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.173486]  register_netdevice (net/core/dev.c:11488)
[    2.173509]  register_netdev (net/core/dev.c:11552)
[    2.173529]  loopback_net_init (drivers/net/loopback.c:218)
[    2.173551]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.173584]  ops_init (net/core/net_namespace.c:137)
[    2.173610]  setup_net (net/core/net_namespace.c:446)
[    2.173631]  copy_net_ns (net/core/net_namespace.c:579)
[    2.173660]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.173707]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.173734]  ksys_unshare (kernel/fork.c:3243)
[    2.173765]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.173791]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.173812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.173842] RIP: 0033:0x7ff421dd4bcb
[    2.173873] 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
[    2.173976] RSP: 002b:00007fff4c38e9e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.174024] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff421dd4bcb
[    2.174068] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.174110] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.174156] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.174202] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000080
| [    2.174258] ---[ end trace 0000000000000000 ]---
| [    2.174374] ------------[ cut here ]------------
| [    2.174402] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.174525] Tainted: [W]=WARN
[    2.174549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.174584] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.174616] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.174725] RSP: 0018:ff55f2ec0035fcb0 EFLAGS: 00010286
[    2.174755] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.174802] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.174845] RBP: 0000000000000000 R08: ff3a78b641848510 R09: ff3a78b644aaf030
[    2.174889] R10: ff3a78b644aaa120 R11: fefefefefefefeff R12: 0000000000000000
[    2.174931] R13: 0000000000000010 R14: ff3a78b644aaa000 R15: ff3a78b6418ef600
[    2.174970] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.175019] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.175060] CR2: 00007ff421d4c0a0 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.175111] PKRU: 55555554
[    2.175125] Call Trace:
[    2.175146]  <TASK>
[    2.175160]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.175183]  register_netdevice (net/core/dev.c:11488)
[    2.175207]  register_netdev (net/core/dev.c:11552)
[    2.175229]  sit_init_net (net/ipv6/sit.c:1860)
[    2.175249]  ops_init (net/core/net_namespace.c:137)
[    2.175273]  setup_net (net/core/net_namespace.c:446)
[    2.175297]  copy_net_ns (net/core/net_namespace.c:579)
[    2.175316]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.175343]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.175369]  ksys_unshare (kernel/fork.c:3243)
[    2.175398]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.175423]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.175444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.175473] RIP: 0033:0x7ff421dd4bcb
[    2.175498] 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
[    2.175597] RSP: 002b:00007fff4c38e9e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.175642] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff421dd4bcb
[    2.175681] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.175727] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
[    2.175774] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000005
[    2.175823] R13: 0000000000418310 R14: 0000000000000015 R15: 0000000000000080
| [    2.175882] ---[ end trace 0000000000000000 ]---
| [    2.176128] ------------[ cut here ]------------
| [    2.176160] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.176275] Tainted: [W]=WARN
[    2.176295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.176337] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.176365] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.176468] RSP: 0018:ff55f2ec0035f7b0 EFLAGS: 00010286
[    2.176503] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.176551] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.176596] RBP: 0000000000000000 R08: ff3a78b643144890 R09: ff3a78b644aba034
[    2.176643] R10: ff3a78b644aae120 R11: fefefefefefefeff R12: 0000000000000000
[    2.176685] R13: 0000000000000010 R14: ff3a78b644aae000 R15: ff3a78b6418d3c00
[    2.176730] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.176774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.176807] CR2: 0000000000404ad0 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.176854] PKRU: 55555554
[    2.176874] Call Trace:
[    2.176888]  <TASK>
[    2.176901]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.176924]  __dev_notify_flags (net/core/dev.c:9787)
[    2.176949]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.176973]  veth_newlink (drivers/net/veth.c:1871)
[    2.176998]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.177022]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.177052]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.177076]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.177098]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.177124]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.177149]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.177171]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.177196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.177228] RIP: 0033:0x7ff421d4c08e
[    2.177249] 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
[    2.177351] RSP: 002b:00007fff4c38e0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.177392] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff421d4c08e
[    2.177438] RDX: 0000000000000078 RSI: 00007fff4c38e170 RDI: 0000000000000008
[    2.177489] RBP: 00007fff4c38e0f0 R08: 0000000000000000 R09: 0000000000000000
[    2.177533] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.177578] R13: 0000000000000045 R14: 000000000040f825 R15: 0000000000000080
| [    2.177637] ---[ end trace 0000000000000000 ]---
| [    2.177829] ------------[ cut here ]------------
| [    2.177857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.177975] Tainted: [W]=WARN
[    2.177995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.178029] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.178059] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.178157] RSP: 0018:ff55f2ec0035fa30 EFLAGS: 00010286
[    2.178186] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.178232] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.178280] RBP: 0000000000000000 R08: ff3a78b64323ea90 R09: ff3a78b644abf034
[    2.178318] R10: ff3a78b644aaf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.178370] R13: 0000000000000010 R14: ff3a78b644aaf000 R15: ff3a78b6418d3c00
[    2.178422] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.178468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.178504] CR2: 0000000000404ad0 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.178551] PKRU: 55555554
[    2.178565] Call Trace:
[    2.178577]  <TASK>
[    2.178594]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.178620]  __dev_notify_flags (net/core/dev.c:9787)
[    2.178645]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.178665]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.178686]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.178715]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.178738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.178762]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.178783]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.178808]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.178830]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.178852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.178886] RIP: 0033:0x7ff421d4c08e
[    2.178911] 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
[    2.179016] RSP: 002b:00007fff4c38e0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.179061] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff421d4c08e
[    2.179106] RDX: 0000000000000078 RSI: 00007fff4c38e170 RDI: 0000000000000008
[    2.179149] RBP: 00007fff4c38e0f0 R08: 0000000000000000 R09: 0000000000000000
[    2.179188] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
[    2.179233] R13: 0000000000000045 R14: 000000000040f825 R15: 0000000000000080
| [    2.179295] ---[ end trace 0000000000000000 ]---
| [    2.179444] ------------[ cut here ]------------
| [    2.179484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: 1/65
| [    2.179603] Tainted: [W]=WARN
[    2.179625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.179663] Workqueue: netns cleanup_net
[    2.179687] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.179717] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.179814] RSP: 0018:ff55f2ec0023fce8 EFLAGS: 00010286
[    2.179844] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.179894] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b64189b100
[    2.179937] RBP: 0000000000000000 R08: ff3a78b643230fd0 R09: ff3a78b644a67030
[    2.179978] R10: ff3a78b644a76120 R11: fefefefefefefeff R12: 0000000000000000
[    2.180016] R13: 0000000000000011 R14: ff3a78b644a76000 R15: ff3a78b64189b100
[    2.180059] FS:  0000000000000000(0000) GS:ff3a78b6f3049000(0000) knlGS:0000000000000000
[    2.180103] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.180137] CR2: 00007f65bad18688 CR3: 0000000001eef004 CR4: 0000000000771ef0
[    2.180180] PKRU: 55555554
[    2.180195] Call Trace:
[    2.180210]  <TASK>
[    2.180226]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.180260]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.180285]  cleanup_net (net/core/net_namespace.c:702)
[    2.180304]  process_one_work (kernel/workqueue.c:3314)
[    2.180327]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.180350]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.180372]  kthread (kernel/kthread.c:436)
[    2.180393]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.180415]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.180438]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.180457]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.180500] ---[ end trace 0000000000000000 ]---
| [    2.180717] ------------[ cut here ]------------
| [    2.180746] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.180863] Tainted: [W]=WARN
[    2.180888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.180928] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.180960] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.181058] RSP: 0018:ff55f2ec0035fcc8 EFLAGS: 00010286
[    2.181089] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.181137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.181178] RBP: 0000000000000000 R08: ff3a78b642c01450 R09: ff3a78b644b1602c
[    2.181215] R10: ff3a78b644b11120 R11: fefefefefefefeff R12: 0000000000000000
[    2.181254] R13: 0000000000000010 R14: ff3a78b644b11000 R15: ff3a78b6418d3c00
[    2.181296] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.181339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.181373] CR2: 0000000019f3f018 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.181417] PKRU: 55555554
[    2.181432] Call Trace:
[    2.181445]  <TASK>
[    2.181460]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.181486]  register_netdevice (net/core/dev.c:11488)
[    2.181509]  register_netdev (net/core/dev.c:11552)
[    2.181531]  loopback_net_init (drivers/net/loopback.c:218)
[    2.181555]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.181586]  ops_init (net/core/net_namespace.c:137)
[    2.181609]  setup_net (net/core/net_namespace.c:446)
[    2.181633]  copy_net_ns (net/core/net_namespace.c:579)
[    2.181656]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.181687]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.181718]  ksys_unshare (kernel/fork.c:3243)
[    2.181743]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.181766]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.181788]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.181816] RIP: 0033:0x7ff421dd4bcb
[    2.181837] 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
[    2.181937] RSP: 002b:00007fff4c38ea48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.181976] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff421dd4bcb
[    2.182020] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.182061] RBP: 000000006a10d8ba R08: 0000000000000000 R09: 0000000000000000
[    2.182103] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    2.182144] R13: 0100000000000000 R14: 0000000000000015 R15: 0000000000000080
| [    2.182207] ---[ end trace 0000000000000000 ]---
| [    2.182347] ------------[ cut here ]------------
| [    2.182382] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.182511] Tainted: [W]=WARN
[    2.182533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.182571] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.182600] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.182699] RSP: 0018:ff55f2ec0035fcb0 EFLAGS: 00010286
[    2.182724] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.182766] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.182818] RBP: 0000000000000000 R08: ff3a78b642c01bd0 R09: ff3a78b644b23030
[    2.182857] R10: ff3a78b644b16120 R11: fefefefefefefeff R12: 0000000000000000
[    2.182901] R13: 0000000000000010 R14: ff3a78b644b16000 R15: ff3a78b6418d3c00
[    2.182938] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.182982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.183022] CR2: 0000000019f3f018 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.183072] PKRU: 55555554
[    2.183093] Call Trace:
[    2.183107]  <TASK>
[    2.183121]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.183144]  register_netdevice (net/core/dev.c:11488)
[    2.183167]  register_netdev (net/core/dev.c:11552)
[    2.183189]  sit_init_net (net/ipv6/sit.c:1860)
[    2.183211]  ops_init (net/core/net_namespace.c:137)
[    2.183234]  setup_net (net/core/net_namespace.c:446)
[    2.183255]  copy_net_ns (net/core/net_namespace.c:579)
[    2.183278]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.183306]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.183337]  ksys_unshare (kernel/fork.c:3243)
[    2.183360]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.183383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.183409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.183438] RIP: 0033:0x7ff421dd4bcb
[    2.183458] 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
[    2.183556] RSP: 002b:00007fff4c38ea48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.183602] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff421dd4bcb
[    2.183645] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.183686] RBP: 000000006a10d8ba R08: 0000000000000000 R09: 0000000000000000
[    2.183735] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    2.183781] R13: 0100000000000000 R14: 0000000000000015 R15: 0000000000000080
| [    2.183846] ---[ end trace 0000000000000000 ]---
| [    2.184139] ------------[ cut here ]------------
| [    2.184169] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.184291] Tainted: [W]=WARN
[    2.184311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.184348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.184373] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.184483] RSP: 0018:ff55f2ec0035fcc8 EFLAGS: 00010286
[    2.184512] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.184552] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.184596] RBP: 0000000000000000 R08: ff3a78b64483b590 R09: ff3a78b644b4202c
[    2.184646] R10: ff3a78b644b25120 R11: fefefefefefefeff R12: 0000000000000000
[    2.184693] R13: 0000000000000010 R14: ff3a78b644b25000 R15: ff3a78b6418d3c00
[    2.184738] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.184780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.184828] CR2: 0000000019f3f018 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.184870] PKRU: 55555554
[    2.184885] Call Trace:
[    2.184901]  <TASK>
[    2.184917]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.184938]  register_netdevice (net/core/dev.c:11488)
[    2.184968]  register_netdev (net/core/dev.c:11552)
[    2.184990]  loopback_net_init (drivers/net/loopback.c:218)
[    2.185016]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.185047]  ops_init (net/core/net_namespace.c:137)
[    2.185069]  setup_net (net/core/net_namespace.c:446)
[    2.185093]  copy_net_ns (net/core/net_namespace.c:579)
[    2.185117]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.185149]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.185177]  ksys_unshare (kernel/fork.c:3243)
[    2.185201]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.185226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.185246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.185278] RIP: 0033:0x7ff421dd4bcb
[    2.185301] 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
[    2.185409] RSP: 002b:00007fff4c38ea48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.185458] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff421dd4bcb
[    2.185499] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.185549] RBP: 000000006a10d8ba R08: 0000000000000000 R09: 0000000000000000
[    2.185595] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    2.185643] R13: 0100000000000000 R14: 0000000000000015 R15: 0000000000000080
| [    2.185711] ---[ end trace 0000000000000000 ]---
| [    2.185803] ------------[ cut here ]------------
| [    2.185832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.185962] Tainted: [W]=WARN
[    2.185983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.186019] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.186052] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.186152] RSP: 0018:ff55f2ec0035fcb0 EFLAGS: 00010286
[    2.186176] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.186226] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.186269] RBP: 0000000000000000 R08: ff3a78b64323e950 R09: ff3a78b644b47030
[    2.186309] R10: ff3a78b644b42120 R11: fefefefefefefeff R12: 0000000000000000
[    2.186349] R13: 0000000000000010 R14: ff3a78b644b42000 R15: ff3a78b6418d3c00
[    2.186390] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.186435] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.186465] CR2: 0000000019f3f018 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.186512] PKRU: 55555554
[    2.186528] Call Trace:
[    2.186542]  <TASK>
[    2.186557]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.186582]  register_netdevice (net/core/dev.c:11488)
[    2.186605]  register_netdev (net/core/dev.c:11552)
[    2.186629]  sit_init_net (net/ipv6/sit.c:1860)
[    2.186652]  ops_init (net/core/net_namespace.c:137)
[    2.186678]  setup_net (net/core/net_namespace.c:446)
[    2.186699]  copy_net_ns (net/core/net_namespace.c:579)
[    2.186726]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.186760]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.186790]  ksys_unshare (kernel/fork.c:3243)
[    2.186814]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.186834]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.186862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.186894] RIP: 0033:0x7ff421dd4bcb
[    2.186926] 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
[    2.187038] RSP: 002b:00007fff4c38ea48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.187083] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff421dd4bcb
[    2.187124] RDX: 0000000000000000 RSI: 000000000040fb55 RDI: 0000000040000000
[    2.187167] RBP: 000000006a10d8ba R08: 0000000000000000 R09: 0000000000000000
[    2.187223] R10: 0000000000000000 R11: 0000000000000206 R12: 00005402b80d0120
[    2.187279] R13: 0100000000000000 R14: 0000000000000015 R15: 0000000000000080
| [    2.187339] ---[ end trace 0000000000000000 ]---
| [    2.194058] ------------[ cut here ]------------
| [    2.194106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [    2.194250] Tainted: [W]=WARN
[    2.194279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.194328] Workqueue: netns cleanup_net
[    2.194365] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.194403] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.194511] RSP: 0018:ff55f2ec0023fc78 EFLAGS: 00010286
[    2.194550] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.194587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.194633] RBP: 0000000000000000 R08: ff3a78b64323ea90 R09: ff3a78b644ab0034
[    2.194681] R10: ff3a78b644aaf120 R11: fefefefefefefeff R12: 0000000000000000
[    2.194721] R13: 0000000000000011 R14: ff3a78b644aaf000 R15: ff3a78b6418d3c00
[    2.194790] FS:  0000000000000000(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.194837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.194878] CR2: 0000000019f406f8 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.194922] PKRU: 55555554
[    2.194938] Call Trace:
[    2.194951]  <TASK>
[    2.194967]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.194994]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.195025]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.195048]  cleanup_net (net/core/net_namespace.c:702)
[    2.195072]  process_one_work (kernel/workqueue.c:3314)
[    2.195094]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.195117]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.195141]  kthread (kernel/kthread.c:436)
[    2.195164]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.195187]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.195211]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.195233]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.195272] ---[ end trace 0000000000000000 ]---
| [    2.195364] ------------[ cut here ]------------
| [    2.195391] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [    2.195513] Tainted: [W]=WARN
[    2.195536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.195573] Workqueue: netns cleanup_net
[    2.195597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.195629] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.195724] RSP: 0018:ff55f2ec0023fc78 EFLAGS: 00010286
[    2.195751] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.195792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.195831] RBP: 0000000000000000 R08: ff3a78b643144890 R09: ff3a78b644ab2834
[    2.195878] R10: ff3a78b644aae120 R11: fefefefefefefeff R12: 0000000000000000
[    2.195919] R13: 0000000000000011 R14: ff3a78b644aae000 R15: ff3a78b6418d3c00
[    2.195965] FS:  0000000000000000(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.196008] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.196044] CR2: 0000000019f406f8 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.196079] PKRU: 55555554
[    2.196095] Call Trace:
[    2.196109]  <TASK>
[    2.196125]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.196153]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.196178]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.196198]  cleanup_net (net/core/net_namespace.c:702)
[    2.196220]  process_one_work (kernel/workqueue.c:3314)
[    2.196242]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.196264]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.196285]  kthread (kernel/kthread.c:436)
[    2.196308]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.196329]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.196351]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.196373]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.196407] ---[ end trace 0000000000000000 ]---
| [    2.196480] ------------[ cut here ]------------
| [    2.196508] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [    2.196615] Tainted: [W]=WARN
[    2.196634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.196664] Workqueue: netns cleanup_net
[    2.196688] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.196716] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.196805] RSP: 0018:ff55f2ec0023fc78 EFLAGS: 00010286
[    2.196830] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.196876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.196917] RBP: 0000000000000000 R08: ff3a78b643147910 R09: ff3a78b644a7982c
[    2.196957] R10: ff3a78b644a71120 R11: fefefefefefefeff R12: 0000000000000000
[    2.196998] R13: 0000000000000011 R14: ff3a78b644a71000 R15: ff3a78b6418d3c00
[    2.197043] FS:  0000000000000000(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.197086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.197118] CR2: 0000000019f406f8 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.197159] PKRU: 55555554
[    2.197173] Call Trace:
[    2.197186]  <TASK>
[    2.197199]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.197226]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.197253]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.197272]  cleanup_net (net/core/net_namespace.c:702)
[    2.197295]  process_one_work (kernel/workqueue.c:3314)
[    2.197314]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.197334]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.197352]  kthread (kernel/kthread.c:436)
[    2.197371]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.197387]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.197407]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.197427]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.197463] ---[ end trace 0000000000000000 ]---
| [    2.203418] ------------[ cut here ]------------
| [    2.203452] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.203572] Tainted: [W]=WARN
[    2.203590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.203625] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.203655] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.203750] RSP: 0018:ff55f2ec0035f7b0 EFLAGS: 00010286
[    2.203778] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.203823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.203863] RBP: 0000000000000000 R08: ff3a78b645fe6350 R09: ff3a78b644b46034
[    2.203912] R10: ff3a78b644abb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.203957] R13: 0000000000000010 R14: ff3a78b644abb000 R15: ff3a78b6418ef600
[    2.204001] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.204043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.204078] CR2: 0000000019f55218 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.204126] PKRU: 55555554
[    2.204140] Call Trace:
[    2.204156]  <TASK>
[    2.204171]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.204196]  __dev_notify_flags (net/core/dev.c:9787)
[    2.204218]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.204240]  veth_newlink (drivers/net/veth.c:1871)
[    2.204265]  rtnl_newlink (net/core/rtnetlink.c:3904 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.204287]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.204312]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.204337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.204358]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.204377]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.204401]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.204423]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.204442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.204468] RIP: 0033:0x7ff421d57e32
[    2.204495] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.204585] RSP: 002b:00007fff4c38e128 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.204625] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff421d57e32
[    2.204664] RDX: 0000000000000078 RSI: 00007fff4c38e1d0 RDI: 0000000000000009
[    2.204701] RBP: 00007fff4c38e150 R08: 0000000000000000 R09: 0000000000000000
[    2.204740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.204782] R13: 0000000000000045 R14: 0000000000413a50 R15: 0000000000000080
| [    2.204838] ---[ end trace 0000000000000000 ]---
| [    2.204962] ------------[ cut here ]------------
| [    2.204989] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.205095] Tainted: [W]=WARN
[    2.205115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.205146] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.205172] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.205261] RSP: 0018:ff55f2ec0035fa30 EFLAGS: 00010286
[    2.205290] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.205333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.205372] RBP: 0000000000000000 R08: ff3a78b64314e390 R09: ff3a78b644b44034
[    2.205408] R10: ff3a78b644a77120 R11: fefefefefefefeff R12: 0000000000000000
[    2.205448] R13: 0000000000000010 R14: ff3a78b644a77000 R15: ff3a78b6418ef600
[    2.205497] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.205539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.205576] CR2: 0000000019f55218 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.205618] PKRU: 55555554
[    2.205635] Call Trace:
[    2.205651]  <TASK>
[    2.205664]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.205685]  __dev_notify_flags (net/core/dev.c:9787)
[    2.205707]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.205728]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.205747]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.205776]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.205799]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.205822]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.205844]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.205865]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.205893]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.205915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.205943] RIP: 0033:0x7ff421d57e32
[    2.205964] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.206060] RSP: 002b:00007fff4c38e128 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.206095] RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007ff421d57e32
[    2.206135] RDX: 0000000000000078 RSI: 00007fff4c38e1d0 RDI: 0000000000000009
[    2.206171] RBP: 00007fff4c38e150 R08: 0000000000000000 R09: 0000000000000000
[    2.206216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009
[    2.206260] R13: 0000000000000045 R14: 0000000000413a50 R15: 0000000000000080
| [    2.206316] ---[ end trace 0000000000000000 ]---
| [    2.206370] ------------[ cut here ]------------
| [    2.206398] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.206499] Tainted: [W]=WARN
[    2.206521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.206552] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.206581] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.206675] RSP: 0018:ff55f2ec0035f8e0 EFLAGS: 00010286
[    2.206700] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.206739] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418d3c00
[    2.206778] RBP: 0000000000000000 R08: ff3a78b645fe6350 R09: ff3a78b644b44034
[    2.206817] R10: ff3a78b644abb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.206858] R13: 0000000000000010 R14: ff3a78b644abb000 R15: ff3a78b6418d3c00
[    2.206906] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.206948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.206983] CR2: 0000000019f55218 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.207025] PKRU: 55555554
[    2.207037] Call Trace:
[    2.207050]  <TASK>
[    2.207064]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.207084]  __dev_notify_flags (net/core/dev.c:9787)
[    2.207105]  netif_change_flags (net/core/dev.c:9820)
[    2.207125]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.207146]  ? netlink_set_err (net/netlink/af_netlink.c:1624 (discriminator 3))
[    2.207167]  ? rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:971 net/core/rtnetlink.c:4529)
[    2.207194]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.207222]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    2.207242]  ? netdev_run_todo (net/core/dev.c:11703)
[    2.207262]  ? __dev_notify_flags (net/core/dev.c:9787)
[    2.207281]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.207302]  ? kmalloc_reserve (net/core/skbuff.c:613 (discriminator 7))
[    2.207323]  ? __alloc_skb (net/core/skbuff.c:702 (discriminator 7))
[    2.207343]  ? netlink_attachskb (net/netlink/af_netlink.c:1222)
[    2.207369]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.207395]  ? netlink_net_capable (net/netlink/af_netlink.c:852 (discriminator 1) net/netlink/af_netlink.c:870 (discriminator 1) net/netlink/af_netlink.c:901 (discriminator 1))
[    2.207424]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.207444]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.207473]  ? netlink_unicast (net/netlink/af_netlink.c:1270 net/netlink/af_netlink.c:1360)
[    2.207497]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.207527]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.207547]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.207570]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.207592]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.207611]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.207628]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.207648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.207675] RIP: 0033:0x7ff421d57e32
[    2.207696] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.207785] RSP: 002b:00007fff4c38e138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.207821] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff421d57e32
[    2.207861] RDX: 0000000000000020 RSI: 00007fff4c38e1b0 RDI: 0000000000000009
[    2.207904] RBP: 00007fff4c38e160 R08: 0000000000000000 R09: 0000000000000000
[    2.207943] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000308d4fc3
[    2.207984] R13: 0100000000000000 R14: 00005402b80d0120 R15: 0100000000000000
| [    2.208039] ---[ end trace 0000000000000000 ]---
| [    2.208150] ------------[ cut here ]------------
| [    2.208175] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: restore_ipv6/148
| [    2.208280] Tainted: [W]=WARN
[    2.208298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.208330] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.208358] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.208431] RSP: 0018:ff55f2ec0035f8e0 EFLAGS: 00010286
[    2.208457] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[    2.208504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.208554] RBP: 0000000000000000 R08: ff3a78b64314e390 R09: ff3a78b644b44034
[    2.208589] R10: ff3a78b644a77120 R11: fefefefefefefeff R12: 0000000000000000
[    2.208629] R13: 0000000000000010 R14: ff3a78b644a77000 R15: ff3a78b6418ef600
[    2.208671] FS:  00007ff421cd9780(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.208713] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.208746] CR2: 00007ff4214d5cd4 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.208786] PKRU: 55555554
[    2.208800] Call Trace:
[    2.208813]  <TASK>
[    2.208827]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.208850]  __dev_notify_flags (net/core/dev.c:9787)
[    2.208874]  netif_change_flags (net/core/dev.c:9820)
[    2.208893]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    2.208914]  ? alloc_pages_mpol (mm/mempolicy.c:2490)
[    2.208939]  ? __pte_offset_map (./include/linux/rcupdate.h:836 mm/pgtable-generic.c:290)
[    2.208957]  ? walk_pte_range_inner (mm/pagewalk.c:39)
[    2.208986]  ? __nla_validate_parse (lib/nlattr.c:620)
[    2.209014]  ? sysvec_irq_work (arch/x86/kernel/irq_work.c:17)
[    2.209034]  rtnl_newlink (net/core/rtnetlink.c:3840 (discriminator 1) net/core/rtnetlink.c:4013 (discriminator 1) net/core/rtnetlink.c:4150 (discriminator 1))
[    2.209060]  ? idr_replace (lib/idr.c:304)
[    2.209082]  ? arch_irq_work_raise (./arch/x86/include/asm/apic.h:455 (discriminator 1) arch/x86/kernel/irq_work.c:31 (discriminator 1))
[    2.209114]  ? cpu_util.constprop.0 (kernel/sched/fair.c:8322 (discriminator 1))
[    2.209144]  ? sched_balance_find_dst_group (kernel/sched/fair.c:8354 kernel/sched/fair.c:11037 kernel/sched/fair.c:11167)
[    2.209173]  ? file_ns_capable (./include/linux/security.h:701 kernel/capability.c:440)
[    2.209193]  ? netlink_net_capable (net/netlink/af_netlink.c:852 (discriminator 1) net/netlink/af_netlink.c:870 (discriminator 1) net/netlink/af_netlink.c:901 (discriminator 1))
[    2.209222]  ? ns_capable (./include/linux/security.h:701 kernel/capability.c:342 kernel/capability.c:363)
[    2.209240]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:871 net/core/rtnetlink.c:7059)
[    2.209267]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.209294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.209315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.209341]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.209362]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.209382]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.209403]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.209423]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.209449] RIP: 0033:0x7ff421d57e32
[    2.209467] Code: 08 0f 85 91 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 91 41 ff ff 49    	test   %edx,0x49ffff41(%rcx)
   8:	89 fb                	mov    %edi,%ebx
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[    2.209563] RSP: 002b:00007fff4c38e138 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[    2.209603] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff421d57e32
[    2.209641] RDX: 0000000000000020 RSI: 00007fff4c38e1b0 RDI: 0000000000000009
[    2.209682] RBP: 00007fff4c38e160 R08: 0000000000000000 R09: 0000000000000000
[    2.209722] R10: 0000000000000000 R11: 0000000000000246 R12: 000000002710f015
[    2.209761] R13: 0100000000000000 R14: 00000100b80d0120 R15: 0100000000000000
| [    2.209814] ---[ end trace 0000000000000000 ]---
| [    2.209881] ------------[ cut here ]------------
| [    2.209917] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 2/104
| [    2.210038] Tainted: [W]=WARN
[    2.210061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.210098] Workqueue: events_unbound linkwatch_event
[    2.210126] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.210155] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.210251] RSP: 0018:ff55f2ec0031bd50 EFLAGS: 00010286
[    2.210280] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    2.210325] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b64189b600
[    2.210365] RBP: 0000000000000000 R08: ff3a78b645fe6350 R09: ff3a78b64319a034
[    2.210406] R10: ff3a78b644abb120 R11: fefefefefefefeff R12: 0000000000000000
[    2.210446] R13: 0000000000000010 R14: ff3a78b644abb000 R15: ff3a78b64189b600
[    2.210495] FS:  0000000000000000(0000) GS:ff3a78b6f30c9000(0000) knlGS:0000000000000000
[    2.210541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.210568] CR2: 00007ff4214d3e80 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.210610] PKRU: 55555554
[    2.210625] Call Trace:
[    2.210638]  <TASK>
[    2.210653]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.210672]  netif_state_change (net/core/dev.c:1605)
[    2.210697]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    2.210717]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    2.210748]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    2.210768]  process_one_work (kernel/workqueue.c:3314)
[    2.210788]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.210811]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.210832]  kthread (kernel/kthread.c:436)
[    2.210855]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.210879]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.210901]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.210922]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.210956] ---[ end trace 0000000000000000 ]---
| [    2.228007] ------------[ cut here ]------------
| [    2.228064] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [    2.228189] Tainted: [W]=WARN
[    2.228207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.228258] Workqueue: netns cleanup_net
[    2.228281] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.228308] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.228435] RSP: 0018:ff55f2ec0023fce8 EFLAGS: 00010286
[    2.228465] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.228536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.228582] RBP: 0000000000000000 R08: ff3a78b641848510 R09: ff3a78b644aa3030
[    2.228633] R10: ff3a78b644aaa120 R11: fefefefefefefeff R12: 0000000000000000
[    2.228673] R13: 0000000000000011 R14: ff3a78b644aaa000 R15: ff3a78b6418ef600
[    2.228710] FS:  0000000000000000(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.228775] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.228815] CR2: 0000000019f592f8 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.228861] PKRU: 55555554
[    2.228877] Call Trace:
[    2.228897]  <TASK>
[    2.228912]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.228944]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[    2.228965]  cleanup_net (net/core/net_namespace.c:702)
[    2.228999]  process_one_work (kernel/workqueue.c:3314)
[    2.229021]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.229039]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.229057]  kthread (kernel/kthread.c:436)
[    2.229083]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.229110]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.229133]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.229159]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.229209] ---[ end trace 0000000000000000 ]---
| [    2.240910] ------------[ cut here ]------------
| [    2.240944] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [    2.241042] Tainted: [W]=WARN
[    2.241063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.241097] Workqueue: netns cleanup_net
[    2.241122] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.241154] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.241251] RSP: 0018:ff55f2ec0023fc78 EFLAGS: 00010286
[    2.241284] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.241326] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b6418ef600
[    2.241375] RBP: 0000000000000000 R08: ff3a78b6412288d0 R09: ff3a78b644aa582c
[    2.241415] R10: ff3a78b644a85120 R11: fefefefefefefeff R12: 0000000000000000
[    2.241460] R13: 0000000000000011 R14: ff3a78b644a85000 R15: ff3a78b6418ef600
[    2.241507] FS:  0000000000000000(0000) GS:ff3a78b6f31c9000(0000) knlGS:0000000000000000
[    2.241549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.241583] CR2: 0000000019f592f8 CR3: 0000000004a3b006 CR4: 0000000000771ef0
[    2.241621] PKRU: 55555554
[    2.241640] Call Trace:
[    2.241652]  <TASK>
[    2.241667]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.241690]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[    2.241718]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[    2.241739]  cleanup_net (net/core/net_namespace.c:702)
[    2.241759]  process_one_work (kernel/workqueue.c:3314)
[    2.241783]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    2.241805]  ? rescuer_thread (kernel/workqueue.c:3672)
[    2.241825]  kthread (kernel/kthread.c:436)
[    2.241845]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.241870]  ret_from_fork (arch/x86/kernel/process.c:158)
[    2.241892]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    2.241911]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [    2.241950] ---[ end trace 0000000000000000 ]---
| [    3.205918] ------------[ cut here ]------------
| [    3.205983] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 0/37
| [    3.206141] Tainted: [W]=WARN
[    3.206166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.206201] Workqueue: events_unbound linkwatch_event
[    3.206232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    3.206259] Code: 80 00 00 00 e8 59 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 76 ac fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	59                   	pop    %rcx
   6:	d9 ff                	fcos
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 76 ac fb ff       	call   0xfffffffffffbacb2
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	4c 89 fe             	mov    %r15,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 76 ac fb ff       	call   0xfffffffffffbac88
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    3.206358] RSP: 0018:ff55f2ec00153d50 EFLAGS: 00010286
[    3.206386] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[    3.206428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a78b64189b600
[    3.206474] RBP: 0000000000000000 R08: ff3a78b64314e390 R09: ff3a78b64319a034
[    3.206524] R10: ff3a78b644a77120 R11: fefefefefefefeff R12: 0000000000000000
[    3.206568] R13: 0000000000000010 R14: ff3a78b644a77000 R15: ff3a78b64189b600
[    3.206608] FS:  0000000000000000(0000) GS:ff3a78b6f30c9000(0000) knlGS:0000000000000000
[    3.206656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.206691] CR2: 00007f1cf3737680 CR3: 000000001a043005 CR4: 0000000000771ef0
[    3.206735] PKRU: 55555554
[    3.206750] Call Trace:
[    3.206766]  <TASK>
[    3.206783]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    3.206806]  netif_state_change (net/core/dev.c:1605)
[    3.206830]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[    3.206853]  __linkwatch_run_queue (net/core/link_watch.c:240)
[    3.206885]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[    3.206908]  process_one_work (kernel/workqueue.c:3314)
[    3.206932]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[    3.206956]  ? rescuer_thread (kernel/workqueue.c:3672)
[    3.206981]  kthread (kernel/kthread.c:436)
[    3.207003]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[    3.207026]  ret_from_fork (arch/x86/kernel/process.c:158)
[    3.207048]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


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