======================================
| xx__-> [   93.113241] ------------[ cut here ]------------
| [   93.113286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: unshare/249
| [   93.113343] Modules linked in:
| [   93.113418] Tainted: [W]=WARN
[   93.113440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.113474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.113506] 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 b2 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 b2 fb ff       	call   0xfffffffffffbb2b2
  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 b2 fb ff       	call   0xfffffffffffbb288
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   93.113598] RSP: 0018:ff78268c804cfcc8 EFLAGS: 00010286
[   93.113626] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   93.113673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a575ac192a000
[   93.113724] RBP: 0000000000000000 R08: ff3a575ac30c9850 R09: ff3a575ac299e02c
[   93.113769] R10: ff3a575ac51cd118 R11: fefefefefefefeff R12: 0000000000000000
[   93.113808] R13: 0000000000000010 R14: ff3a575ac51cd000 R15: ff3a575ac192a000
[   93.113855] FS:  00007f649181c740(0000) GS:ff3a575b5b896000(0000) knlGS:0000000000000000
[   93.113900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.113928] CR2: 00005593cd5f3008 CR3: 0000000001983002 CR4: 0000000000771ef0
[   93.113967] PKRU: 55555554
[   93.113982] Call Trace:
[   93.113998]  <TASK>
[   93.114015]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   93.114038]  register_netdevice (net/core/dev.c:11488)
[   93.114063]  register_netdev (net/core/dev.c:11552)
[   93.114084]  loopback_net_init (drivers/net/loopback.c:218)
[   93.114108]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[   93.114138]  ops_init (net/core/net_namespace.c:137)
[   93.114157]  setup_net (net/core/net_namespace.c:446)
[   93.114179]  copy_net_ns (net/core/net_namespace.c:579)
[   93.114201]  create_new_namespaces (kernel/nsproxy.c:132)
[   93.114227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   93.114256]  ksys_unshare (kernel/fork.c:3243)
[   93.114280]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   93.114303]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.114328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.114355] RIP: 0033:0x7f6491917bcb
[   93.114375] 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
[   93.114474] RSP: 002b:00007ffc0d2eaa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
[   93.114515] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6491917bcb
[   93.114556] RDX: 0000000000000000 RSI: 00007ffc0d2ea7c0 RDI: 0000000040000000
[   93.114601] RBP: 00007ffc0d2eade0 R08: 00007ffc0d2ea9b0 R09: 0000000000000000
[   93.114643] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000040000000
[   93.114690] R13: 0000000000000000 R14: 00000000ffffffff R15: 00005593be189b68
| [   93.115363] ------------[ cut here ]------------
| [   93.115407] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/249
| [   93.115457] Modules linked in:
| [   93.115539] Tainted: [W]=WARN
[   93.115559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.115597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.115626] 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 b2 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 b2 fb ff       	call   0xfffffffffffbb2b2
  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 b2 fb ff       	call   0xfffffffffffbb288
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   93.115735] RSP: 0018:ff78268c804cfd68 EFLAGS: 00010286
[   93.115761] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[   93.115803] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a575ac192a000
[   93.115841] RBP: 0000000000000000 R08: ff3a575ac3184450 R09: ff3a575ac3044030
[   93.115881] R10: ff3a575ac3174118 R11: fefefefefefefeff R12: 0000000000000000
[   93.115919] R13: 0000000000000010 R14: ff3a575ac3174000 R15: ff3a575ac192a000
[   93.115962] FS:  0000000009a93400(0000) GS:ff3a575b5b896000(0000) knlGS:0000000000000000
[   93.116005] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.116032] CR2: 00007f2149ff0000 CR3: 00000000030f6003 CR4: 0000000000771ef0
[   93.116073] PKRU: 55555554
[   93.116089] Call Trace:
[   93.116103]  <TASK>
[   93.116118]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   93.116137]  register_netdevice (net/core/dev.c:11488)
[   93.116158]  __tun_chr_ioctl (drivers/net/tun.c:2876 drivers/net/tun.c:3157)
[   93.116181]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   93.116207]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   93.116230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.116253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.116282] RIP: 0033:0x47cc8d
[   93.116304] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   93.116399] RSP: 002b:00007ffda9df8210 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   93.116442] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[   93.116482] RDX: 00007ffda9df8290 RSI: 00000000400454ca RDI: 0000000000000005
[   93.116516] RBP: 00007ffda9df8260 R08: 0000000000000000 R09: 0000000000000000
[   93.116556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda9df8768
[   93.116595] R13: 00007ffda9df87e8 R14: 0000000000000002 R15: 0000000000543540
| [   93.116700] ------------[ cut here ]------------
| [   93.116729] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/249
| [   93.116780] Modules linked in:
| [   93.116861] Tainted: [W]=WARN
[   93.116882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.116923] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.116956] 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 b2 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 b2 fb ff       	call   0xfffffffffffbb2b2
  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 b2 fb ff       	call   0xfffffffffffbb288
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   93.117058] RSP: 0018:ff78268c804cfd60 EFLAGS: 00010286
[   93.117085] RAX: 00000000ffffffa6 RBX: 0000000000000000 RCX: 0000000000000000
[   93.117126] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a575ac192a000
[   93.117168] RBP: 0000000000000002 R08: ff3a575ac3184450 R09: ff3a575ac3044030
[   93.117209] R10: ff3a575ac3174118 R11: fefefefefefefeff R12: 0000000000000000
[   93.117251] R13: 0000000000000010 R14: ff3a575ac3174000 R15: ff3a575ac192a000
[   93.117294] FS:  0000000009a93400(0000) GS:ff3a575b5b896000(0000) knlGS:0000000000000000
[   93.117336] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.117371] CR2: 00007f2149ff0000 CR3: 00000000030f6003 CR4: 0000000000771ef0
[   93.117414] PKRU: 55555554
[   93.117426] Call Trace:
[   93.117441]  <TASK>
[   93.117454]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   93.117474]  notifier_call_chain (kernel/notifier.c:85)
[   93.117496]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   93.117525]  __tun_chr_ioctl (drivers/net/tun.c:2963 drivers/net/tun.c:3285)
[   93.117548]  ? file_init_path (./include/linux/pagemap.h:126 fs/file_table.c:368)
[   93.117570]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   93.117596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.117618]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.117644] RIP: 0033:0x47cc8d
[   93.117666] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   93.117771] RSP: 002b:00007ffda9df8250 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   93.117811] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[   93.117856] RDX: 000000000000000f RSI: 00000000400454d0 RDI: 0000000000000005
[   93.117899] RBP: 00007ffda9df82a0 R08: 0000000000000000 R09: 0000000000000000
[   93.117942] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda9df8768
[   93.117985] R13: 00007ffda9df87e8 R14: 0000000000000002 R15: 0000000000543540
| [   93.118087] ------------[ cut here ]------------
| [   93.118112] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/249
| [   93.118165] Modules linked in:
| [   93.118245] Tainted: [W]=WARN
[   93.118266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.118302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.118326] 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 b2 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 b2 fb ff       	call   0xfffffffffffbb2b2
  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 b2 fb ff       	call   0xfffffffffffbb288
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   93.118428] RSP: 0018:ff78268c804cfc10 EFLAGS: 00010286
[   93.118459] RAX: 00000000ffffffa6 RBX: 0000000000000001 RCX: 0000000000000000
[   93.118504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a575ac192a000
[   93.118547] RBP: 0000000000000000 R08: ff3a575ac3184450 R09: ff3a575ac51cb030
[   93.118590] R10: ff3a575ac3174118 R11: fefefefefefefeff R12: 0000000000000000
[   93.118637] R13: 0000000000000010 R14: ff3a575ac3174000 R15: ff3a575ac192a000
[   93.118688] FS:  0000000009a93400(0000) GS:ff3a575b5b896000(0000) knlGS:0000000000000000
[   93.118764] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.118800] CR2: 00007f2149ff0000 CR3: 00000000030f6003 CR4: 0000000000771ef0
[   93.118844] PKRU: 55555554
[   93.118859] Call Trace:
[   93.118872]  <TASK>
[   93.118886]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[   93.118909]  __dev_notify_flags (net/core/dev.c:9787)
[   93.118931]  netif_change_flags (net/core/dev.c:9820)
[   93.118950]  dev_change_flags (net/core/dev_api.c:68)
[   93.118970]  devinet_ioctl (net/ipv4/devinet.c:1199)
[   93.118996]  inet_ioctl (net/ipv4/af_inet.c:1011)
[   93.119020]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[   93.119042]  sock_do_ioctl (net/socket.c:1313)
[   93.119067]  __x64_sys_ioctl (fs/ioctl.c:51 fs/ioctl.c:597 fs/ioctl.c:583 fs/ioctl.c:583)
[   93.119088]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.119108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.119136] RIP: 0033:0x47cc8d
[   93.119155] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
All code
========
   0:	04 25                	add    $0x25,%al
   2:	28 00                	sub    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	48 89 45 c8          	mov    %rax,-0x38(%rbp)
   a:	31 c0                	xor    %eax,%eax
   c:	48 8d 45 10          	lea    0x10(%rbp),%rax
  10:	c7 45 b0 10 00 00 00 	movl   $0x10,-0x50(%rbp)
  17:	48 89 45 b8          	mov    %rax,-0x48(%rbp)
  1b:	48 8d 45 d0          	lea    -0x30(%rbp),%rax
  1f:	48 89 45 c0          	mov    %rax,-0x40(%rbp)
  23:	b8 10 00 00 00       	mov    $0x10,%eax
  28:	0f 05                	syscall
  2a:*	89 c2                	mov    %eax,%edx		<-- trapping instruction
  2c:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
  31:	77 1a                	ja     0x4d
  33:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
  37:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  3e:	00 00 

Code starting with the faulting instruction
===========================================
   0:	89 c2                	mov    %eax,%edx
   2:	3d 00 f0 ff ff       	cmp    $0xfffff000,%eax
   7:	77 1a                	ja     0x23
   9:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   d:	64 48 2b 04 25 28 00 	sub    %fs:0x28,%rax
  14:	00 00 
[   93.119249] RSP: 002b:00007ffda9df8230 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   93.119289] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 000000000047cc8d
[   93.119336] RDX: 00007ffda9df82a0 RSI: 0000000000008914 RDI: 0000000000000006
[   93.119378] RBP: 00007ffda9df8280 R08: 0000000000000000 R09: 0000000000000000
[   93.119415] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda9df8768
[   93.119461] R13: 00007ffda9df87e8 R14: 0000000000000002 R15: 0000000000543540
| [  138.097952] ------------[ cut here ]------------
| [  138.098031] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: packetdrill/249
| [  138.098095] Modules linked in:
| [  138.098182] Tainted: [W]=WARN
[  138.098207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.098242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  138.098267] 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 b2 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 b2 fb ff       	call   0xfffffffffffbb2b2
  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 b2 fb ff       	call   0xfffffffffffbb288
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  138.098367] RSP: 0018:ff78268c804cfb58 EFLAGS: 00010286
[  138.098399] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[  138.098443] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a575ac3091100
[  138.098487] RBP: 0000000000000000 R08: ff3a575ac3184450 R09: ff3a575ac51cb030
[  138.098533] R10: ff3a575ac3174118 R11: fefefefefefefeff R12: 0000000000000000
[  138.098576] R13: 0000000000000010 R14: ff3a575ac3174000 R15: ff3a575ac3091100
[  138.098618] FS:  0000000000000000(0000) GS:ff3a575b5b896000(0000) knlGS:0000000000000000
[  138.098662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  138.098701] CR2: 00007f2149ff0000 CR3: 000000002f642004 CR4: 0000000000771ef0
[  138.098934] PKRU: 55555554
[  138.098962] Call Trace:
[  138.098981]  <TASK>
[  138.098998]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  138.099048]  netif_close_many (net/core/dev.c:1804)
[  138.099070]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  138.099103]  ? __queue_work (kernel/workqueue.c:2401)
[  138.099168]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  138.099200]  __tun_detach (./include/linux/netdevice.h:3455 drivers/net/tun.c:628)
[  138.099229]  tun_chr_close (drivers/net/tun.c:644 drivers/net/tun.c:3505)
[  138.099247]  __fput (fs/file_table.c:510)
[  138.099271]  task_work_run (kernel/task_work.c:233)
[  138.099295]  do_exit (./include/linux/task_work.h:40 kernel/exit.c:976)
[  138.099321]  ? __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[  138.099345]  do_group_exit (kernel/exit.c:1119)
[  138.099365]  get_signal (kernel/signal.c:3037)
[  138.099389]  ? fsnotify_grab_connector (./include/linux/srcu.h:487 fs/notify/mark.c:854)
[  138.099419]  arch_do_signal_or_restart (arch/x86/kernel/signal.c:337)
[  138.099454]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3000 kernel/rcu/tree.c:3012 kernel/rcu/tree.c:3155)
[  138.099487]  ? __fput (./include/linux/percpu_counter.h:71 ./include/linux/percpu_counter.h:272 fs/file_table.c:99 fs/file_table.c:523)
[  138.099504]  exit_to_user_mode_loop (kernel/entry/common.c:64 kernel/entry/common.c:98)
[  138.099536]  do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:318 arch/x86/entry/syscall_64.c:100)
[  138.099561]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.099588] RIP: 0033:0x47fb83
[  138.099607] Code: Unable to access opcode bytes at 0x47fb59.

Code starting with the faulting instruction
===========================================
[  138.099640] RSP: 002b:00007ffda9df7d00 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[  138.099680] RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: 000000000047fb83
[  138.099729] RDX: 000000000000000e RSI: 3ce49009f6288ae1 RDI: 0000000000000007
[  138.099770] RBP: 00007ffda9df8200 R08: 0000000000000041 R09: 0000000009a943e0
[  138.099809] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
[  138.099858] R13: fffffffffffffff0 R14: 0000000000000000 R15: 0000000000543540
| [  138.100025] ------------[ cut here ]------------
| [  138.100088] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: packetdrill/249
| [  138.100175] Modules linked in:
| [  138.100323] Tainted: [W]=WARN
[  138.100377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.100446] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  138.100513] 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 b2 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 b2 fb ff       	call   0xfffffffffffbb2b2
  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 b2 fb ff       	call   0xfffffffffffbb288
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  138.100643] RSP: 0018:ff78268c804cfbc8 EFLAGS: 00010286
[  138.100705] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  138.100791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a575ac190e600
[  138.100874] RBP: 0000000000000000 R08: ff3a575ac3184450 R09: ff3a575ac7113830
[  138.100952] R10: ff3a575ac3174118 R11: fefefefefefefeff R12: 0000000000000000
[  138.101030] R13: 0000000000000011 R14: ff3a575ac3174000 R15: ff3a575ac190e600
[  138.101113] FS:  0000000000000000(0000) GS:ff3a575b5b996000(0000) knlGS:0000000000000000
[  138.101191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  138.101264] CR2: 00007f37f8504700 CR3: 0000000003137003 CR4: 0000000000771ef0
[  138.101343] PKRU: 55555554
[  138.101390] Call Trace:
[  138.101439]  <TASK>
[  138.101492]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  138.101570]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  138.101634]  __tun_detach (./include/linux/netdevice.h:3455 drivers/net/tun.c:628)
[  138.101698]  tun_chr_close (drivers/net/tun.c:644 drivers/net/tun.c:3505)
[  138.101760]  __fput (fs/file_table.c:510)
[  138.101826]  task_work_run (kernel/task_work.c:233)
[  138.101883]  do_exit (./include/linux/task_work.h:40 kernel/exit.c:976)
[  138.101939]  ? __x64_sys_close (fs/open.c:1507 fs/open.c:1492 fs/open.c:1492)
[  138.101995]  do_group_exit (kernel/exit.c:1119)
[  138.102051]  get_signal (kernel/signal.c:3037)
[  138.102108]  ? fsnotify_grab_connector (./include/linux/srcu.h:487 fs/notify/mark.c:854)
[  138.102171]  arch_do_signal_or_restart (arch/x86/kernel/signal.c:337)
[  138.102235]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3000 kernel/rcu/tree.c:3012 kernel/rcu/tree.c:3155)
[  138.102298]  ? __fput (./include/linux/percpu_counter.h:71 ./include/linux/percpu_counter.h:272 fs/file_table.c:99 fs/file_table.c:523)
[  138.102354]  exit_to_user_mode_loop (kernel/entry/common.c:64 kernel/entry/common.c:98)
[  138.102426]  do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:318 arch/x86/entry/syscall_64.c:100)
[  138.102483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.102547] RIP: 0033:0x47fb83
[  138.102609] Code: Unable to access opcode bytes at 0x47fb59.

Code starting with the faulting instruction
===========================================
[  138.102687] RSP: 002b:00007ffda9df7d00 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[  138.102770] RAX: 0000000000000000 RBX: 00000000fffffff5 RCX: 000000000047fb83
[  138.102853] RDX: 000000000000000e RSI: 3ce49009f6288ae1 RDI: 0000000000000007
[  138.102935] RBP: 00007ffda9df8200 R08: 0000000000000041 R09: 0000000009a943e0
[  138.103014] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
[  138.103092] R13: fffffffffffffff0 R14: 0000000000000000 R15: 0000000000543540
| [  138.116804] ------------[ cut here ]------------
| [  138.116871] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: 1/65
| [  138.116928] Modules linked in:
| [  138.117009] Tainted: [W]=WARN
[  138.117032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.117067] Workqueue: netns cleanup_net
[  138.117096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  138.117127] 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 b2 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 b2 fb ff       	call   0xfffffffffffbb2b2
  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 b2 fb ff       	call   0xfffffffffffbb288
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  138.117222] RSP: 0018:ff78268c8023fc78 EFLAGS: 00010286
[  138.117253] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  138.117300] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff3a575ac3091000
[  138.117341] RBP: 0000000000000000 R08: ff3a575ac30c9850 R09: ff3a575ac711002c
[  138.117386] R10: ff3a575ac51cd118 R11: fefefefefefefeff R12: 0000000000000000
[  138.117423] R13: 0000000000000011 R14: ff3a575ac51cd000 R15: ff3a575ac3091000
[  138.117463] FS:  0000000000000000(0000) GS:ff3a575b5ba16000(0000) knlGS:0000000000000000
[  138.117505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  138.117540] CR2: 000055734ec922b8 CR3: 0000000003283005 CR4: 0000000000771ef0
[  138.117582] PKRU: 55555554
[  138.117595] Call Trace:
[  138.117611]  <TASK>
[  138.117627]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  138.117659]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  138.117686]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  138.117709]  cleanup_net (net/core/net_namespace.c:702)
[  138.117740]  process_one_work (kernel/workqueue.c:3314)
[  138.117763]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  138.117787]  ? rescuer_thread (kernel/workqueue.c:3672)
[  138.117810]  kthread (kernel/kthread.c:436)
[  138.117837]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[  138.117861]  ret_from_fork (arch/x86/kernel/process.c:158)
[  138.117883]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:dev_change_flags
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:__tun_chr_ioctl:__x64_sys_ioctl
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:unregister_netdevice_queue
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:__tun_detach:tun_chr_close
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_update_features:__tun_chr_ioctl