======================================
| xx__-> [    2.220946] ------------[ cut here ]------------
| [    2.221001] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: nexthop.sh/156
| [    2.221058] Modules linked in: netdevsim
| [    2.221153] Tainted: [W]=WARN
[    2.221178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.221212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.221243] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.221340] RSP: 0018:ff3fb3744037f9d0 EFLAGS: 00010286
[    2.221371] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.221412] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c4317b600
[    2.221455] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c41f31030
[    2.221498] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.221540] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c4317b600
[    2.221583] FS:  00007f966b4d8b80(0000) GS:ff24a84cfbada000(0000) knlGS:0000000000000000
[    2.221628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.221665] CR2: 000055d743870e88 CR3: 00000000032aa005 CR4: 0000000000771ef0
[    2.221708] PKRU: 55555554
[    2.221724] Call Trace:
[    2.221740]  <TASK>
[    2.221757]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.221781]  register_netdevice (net/core/dev.c:11488)
[    2.221806] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.221840] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.221871] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    2.221903]  really_probe (drivers/base/dd.c:631 drivers/base/dd.c:709)
[    2.221929]  ? driver_probe_device (./include/linux/list.h:164 (discriminator 3))
[    2.221959]  __driver_probe_device (drivers/base/dd.c:871)
[    2.221988]  driver_probe_device (drivers/base/dd.c:901)
[    2.222009]  __device_attach_driver (drivers/base/dd.c:1029)
[    2.222039]  bus_for_each_drv (drivers/base/bus.c:500)
[    2.222063]  __device_attach (drivers/base/dd.c:1101)
[    2.222085]  device_initial_probe (drivers/base/dd.c:1156)
[    2.222115]  bus_probe_device (drivers/base/bus.c:613)
[    2.222137]  device_add (drivers/base/core.c:3706)
[    2.222160] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    2.222192]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    2.222224]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[    2.222251]  ksys_write (fs/read_write.c:740)
[    2.222273]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.222298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.222330] RIP: 0033:0x7f966b54a08e
[    2.222356] 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
[    2.222449] RSP: 002b:00007ffeb3541670 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    2.222498] RAX: ffffffffffffffda RBX: 00007f966b6cc580 RCX: 00007f966b54a08e
[    2.222542] RDX: 0000000000000007 RSI: 000055d74386fe80 RDI: 0000000000000001
[    2.222584] RBP: 00007ffeb3541680 R08: 0000000000000000 R09: 0000000000000000
[    2.222624] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    2.222661] R13: 0000000000000007 R14: 000055d74386fe80 R15: 0000000000000000
| [    2.226967] ------------[ cut here ]------------
| [    2.227011] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: ip/178
| [    2.227068] Modules linked in: netdevsim
| [    2.227161] Tainted: [W]=WARN
[    2.227187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.227220] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.227254] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.227359] RSP: 0018:ff3fb3744039fcc8 EFLAGS: 00010286
[    2.227393] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.227433] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c4317a700
[    2.227476] RBP: 0000000000000000 R08: ff24a84c42f7edd0 R09: ff24a84c44bf902c
[    2.227520] R10: ff24a84c42e5c118 R11: fefefefefefefeff R12: 0000000000000000
[    2.227559] R13: 0000000000000010 R14: ff24a84c42e5c000 R15: ff24a84c4317a700
[    2.227606] FS:  00007f11d885e840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[    2.227651] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.227687] CR2: 0000000000479648 CR3: 0000000004bae003 CR4: 0000000000771ef0
[    2.227729] PKRU: 55555554
[    2.227745] Call Trace:
[    2.227764]  <TASK>
[    2.227787]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.227811]  register_netdevice (net/core/dev.c:11488)
[    2.227834]  register_netdev (net/core/dev.c:11552)
[    2.227854]  loopback_net_init (drivers/net/loopback.c:218)
[    2.227884]  ? vsock_sysctl_init_net (net/vmw_vsock/af_vsock.c:2933 net/vmw_vsock/af_vsock.c:2973)
[    2.227918]  ops_init (net/core/net_namespace.c:137)
[    2.227942]  setup_net (net/core/net_namespace.c:446)
[    2.227964]  copy_net_ns (net/core/net_namespace.c:579)
[    2.227983]  create_new_namespaces (kernel/nsproxy.c:132)
[    2.228013]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    2.228043]  ksys_unshare (kernel/fork.c:3243)
[    2.228068]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    2.228095]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.228119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.228148] RIP: 0033:0x7f11d8b20bcb
[    2.228170] 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
[    2.228266] RSP: 002b:00007ffe3bf58ab8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    2.228309] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f11d8b20bcb
[    2.228348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    2.228393] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    2.228435] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe3bf5ace0
[    2.228475] R13: 0000000000000001 R14: 00007f11d885e6f8 R15: 00007ffe3bf5b881
| [    2.232032] ------------[ cut here ]------------
| [    2.232108] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/180
| [    2.232191] Modules linked in: netdevsim
| [    2.232345] Tainted: [W]=WARN
[    2.232405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.232479] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.232565] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.232689] RSP: 0018:ff3fb374402fb908 EFLAGS: 00010286
[    2.232757] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.232836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3a500
[    2.232916] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c42d0e030
[    2.232995] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.233073] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f3a500
[    2.233163] FS:  00007f0c1a97c840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.233239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.233312] CR2: 00007f0c1ab7dc20 CR3: 0000000004bb0006 CR4: 0000000000771ef0
[    2.233391] PKRU: 55555554
[    2.233442] Call Trace:
[    2.233502]  <TASK>
[    2.233553]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.233623]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.233692] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.233764] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.233833] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.233903] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.233972]  devlink_reload (net/devlink/dev.c:462)
[    2.234034]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.234108]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.234177]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.234247]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.234311]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.234378]  ? devlink_reload (net/devlink/dev.c:486)
[    2.234435]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.234510]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.234572]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.234632]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.234689]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.234749]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.234812]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.234876]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.234935]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.234998]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.235068] RIP: 0033:0x7f0c1abb608e
[    2.235128] 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
[    2.235257] RSP: 002b:00007fffa0e1c8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.235334] RAX: ffffffffffffffda RBX: 000000001cc56980 RCX: 00007f0c1abb608e
[    2.235415] RDX: 0000000000000040 RSI: 000000001cc56ba0 RDI: 0000000000000005
[    2.235498] RBP: 00007fffa0e1c900 R08: 00007f0c1ae6a980 R09: 000000000000000c
[    2.235582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.235658] R13: 000000001cc56980 R14: 0000000000000000 R15: 0000000000000001
| [    2.257270] ------------[ cut here ]------------
| [    2.257359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/180
| [    2.257448] Modules linked in: netdevsim
| [    2.257609] Tainted: [W]=WARN
[    2.257671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.257745] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.257813] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.257944] RSP: 0018:ff3fb374402fb888 EFLAGS: 00010286
[    2.258010] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.258084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3aa00
[    2.258167] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c42ce6030
[    2.258242] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.258318] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f3aa00
[    2.258398] FS:  00007f0c1a97c840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.258481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.258569] CR2: 0000564ca5a016c0 CR3: 0000000004bb0006 CR4: 0000000000771ef0
[    2.258650] PKRU: 55555554
[    2.258701] Call Trace:
[    2.258753]  <TASK>
[    2.258805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.258861]  register_netdevice (net/core/dev.c:11488)
[    2.258921] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.258986] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.259053] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.259122]  devlink_reload (net/devlink/dev.c:475)
[    2.259187]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.259255]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.259325]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.259397]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.259458]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.259529]  ? devlink_reload (net/devlink/dev.c:486)
[    2.259585]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.259649]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.259707]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.259764]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.259821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.259878]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.259935]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.259993]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.260049]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.260116]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.260179] RIP: 0033:0x7f0c1abb608e
[    2.260235] 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
[    2.260369] RSP: 002b:00007fffa0e1c8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.260448] RAX: ffffffffffffffda RBX: 000000001cc56980 RCX: 00007f0c1abb608e
[    2.260532] RDX: 0000000000000040 RSI: 000000001cc56ba0 RDI: 0000000000000005
[    2.260609] RBP: 00007fffa0e1c900 R08: 00007f0c1ae6a980 R09: 000000000000000c
[    2.260689] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.260766] R13: 000000001cc56980 R14: 0000000000000000 R15: 0000000000000001
| [    2.264413] ------------[ cut here ]------------
| [    2.264483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: ip/182
| [    2.264575] Modules linked in: netdevsim
| [    2.264734] Tainted: [W]=WARN
[    2.264796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.264877] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.264950] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.265075] RSP: 0018:ff3fb374403df870 EFLAGS: 00010286
[    2.265151] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.265231] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3a400
[    2.265310] RBP: 0000000000000000 R08: ff24a84c42fd48d0 R09: ff24a84c44bff030
[    2.265386] R10: ff24a84c42ce6118 R11: fefefefefefefeff R12: 0000000000000000
[    2.265466] R13: 0000000000000010 R14: ff24a84c42ce6000 R15: ff24a84c42f3a400
[    2.265554] FS:  00007ff35dd8c840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.265636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.265709] CR2: 00000000004a77b8 CR3: 0000000004b06002 CR4: 0000000000771ef0
[    2.265792] PKRU: 55555554
[    2.265844] Call Trace:
[    2.265897]  <TASK>
[    2.265947]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.266011]  __dev_notify_flags (net/core/dev.c:9787)
[    2.266075]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    2.266142]  rtnl_newlink (net/core/rtnetlink.c:3914 net/core/rtnetlink.c:4035 net/core/rtnetlink.c:4150)
[    2.266206]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3455)
[    2.266273]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    2.266336]  ? get_page_from_freelist (mm/page_alloc.c:1856 mm/page_alloc.c:1866 mm/page_alloc.c:3946)
[    2.266407]  ? rtnl_calcit.isra.0 (./include/net/netlink.h:1734 (discriminator 1))
[    2.266481]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.266552]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.266614]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.266677]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    2.266740]  ___sys_sendmsg (net/socket.c:2752)
[    2.266804]  __sys_sendmsg (net/socket.c:2784)
[    2.266868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.266932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.267002] RIP: 0033:0x7ff35dfc608e
[    2.267064] 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
[    2.267200] RSP: 002b:00007ffd39689fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    2.267279] RAX: ffffffffffffffda RBX: 00007ffd3968a758 RCX: 00007ff35dfc608e
[    2.267360] RDX: 0000000000000000 RSI: 00007ffd3968a050 RDI: 0000000000000005
[    2.267440] RBP: 00007ffd39689fb0 R08: 0000000000000000 R09: 0000000000000000
[    2.267523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d405
[    2.267600] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3968a720
| [    2.299514] ------------[ cut here ]------------
| [    2.299590] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/207
| [    2.299680] Modules linked in: netdevsim
| [    2.299836] Tainted: [W]=WARN
[    2.299890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.299960] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.300026] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.300177] RSP: 0018:ff3fb3744040f908 EFLAGS: 00010286
[    2.300244] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.300325] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3aa00
[    2.300401] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c428df830
[    2.300480] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.300563] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f3aa00
[    2.300643] FS:  00007faaec7b1840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.300723] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.300793] CR2: 00007faaecd66004 CR3: 0000000006b57005 CR4: 0000000000771ef0
[    2.300872] PKRU: 55555554
[    2.300919] Call Trace:
[    2.300968]  <TASK>
[    2.301017]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.301083]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.301158] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.301227] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.301294] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.301361] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.301426]  devlink_reload (net/devlink/dev.c:462)
[    2.301492]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.301555]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.301620]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.301686]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.301743]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.301807]  ? devlink_reload (net/devlink/dev.c:486)
[    2.301864]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.301928]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.301986]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.302044]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.302107]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.302165]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.302223]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.302282]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.302339]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.302397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.302464] RIP: 0033:0x7faaec9eb08e
[    2.302525] 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
[    2.302659] RSP: 002b:00007ffc75106a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.302737] RAX: ffffffffffffffda RBX: 000000002cc2c980 RCX: 00007faaec9eb08e
[    2.302815] RDX: 0000000000000038 RSI: 000000002cc2cba0 RDI: 0000000000000005
[    2.302893] RBP: 00007ffc75106a40 R08: 00007faaecc9f980 R09: 000000000000000c
[    2.302969] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.303048] R13: 000000002cc2c980 R14: 0000000000000000 R15: 0000000000000003
| [    2.322303] ------------[ cut here ]------------
| [    2.322412] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/207
| [    2.322502] Modules linked in: netdevsim
| [    2.322659] Tainted: [W]=WARN
[    2.322717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.322787] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.322852] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.322979] RSP: 0018:ff3fb3744040f888 EFLAGS: 00010286
[    2.323046] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.323130] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3aa00
[    2.323209] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bff030
[    2.323288] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.323365] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f3aa00
[    2.323445] FS:  00007faaec7b1840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.323526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.323597] CR2: 00007faaecd66004 CR3: 0000000006b57005 CR4: 0000000000771ef0
[    2.323677] PKRU: 55555554
[    2.323726] Call Trace:
[    2.323779]  <TASK>
[    2.323829]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.323887]  register_netdevice (net/core/dev.c:11488)
[    2.323945] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.324015] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.324084] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.324166]  devlink_reload (net/devlink/dev.c:475)
[    2.324227]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.324300]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.324367]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.324435]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.324498]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.324565]  ? devlink_reload (net/devlink/dev.c:486)
[    2.324628]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.324692]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.324749]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.324807]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.324870]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.324931]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.324991]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.325050]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.325115]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.325178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.325248] RIP: 0033:0x7faaec9eb08e
[    2.325310] 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
[    2.325435] RSP: 002b:00007ffc75106a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.325525] RAX: ffffffffffffffda RBX: 000000002cc2c980 RCX: 00007faaec9eb08e
[    2.325605] RDX: 0000000000000038 RSI: 000000002cc2cba0 RDI: 0000000000000005
[    2.325682] RBP: 00007ffc75106a40 R08: 00007faaecc9f980 R09: 000000000000000c
[    2.325761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.325839] R13: 000000002cc2c980 R14: 0000000000000000 R15: 0000000000000003
| [    2.346497] ------------[ cut here ]------------
| [    2.346543] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/217
| [    2.346597] Modules linked in: netdevsim
| [    2.346678] Tainted: [W]=WARN
[    2.346701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.346734] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.346763] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.346849] RSP: 0018:ff3fb37440457908 EFLAGS: 00010286
[    2.346880] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.346923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3a400
[    2.346966] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c42e60830
[    2.347005] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.347050] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f3a400
[    2.347096] FS:  00007fb3e54e6840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[    2.347139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.347174] CR2: 00007fb3e5a9b004 CR3: 0000000006b5c001 CR4: 0000000000771ef0
[    2.347216] PKRU: 55555554
[    2.347231] Call Trace:
[    2.347246]  <TASK>
[    2.347262]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.347295]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.347324] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.347357] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.347389] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.347418] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.347448]  devlink_reload (net/devlink/dev.c:462)
[    2.347471]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.347504]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.347531]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.347561]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.347583]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.347611]  ? devlink_reload (net/devlink/dev.c:486)
[    2.347632]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.347660]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.347683]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.347705]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.347726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.347745]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.347766]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.347786]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.347806]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.347827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.347857] RIP: 0033:0x7fb3e572008e
[    2.347878] 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
[    2.347968] RSP: 002b:00007ffd841fadc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.348006] RAX: ffffffffffffffda RBX: 000000000d70b980 RCX: 00007fb3e572008e
[    2.348049] RDX: 0000000000000038 RSI: 000000000d70bba0 RDI: 0000000000000005
[    2.348091] RBP: 00007ffd841fadd0 R08: 00007fb3e59d4980 R09: 000000000000000c
[    2.348135] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.348173] R13: 000000000d70b980 R14: 0000000000000000 R15: 0000000000000003
| [    2.376282] ------------[ cut here ]------------
| [    2.376359] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/217
| [    2.376410] Modules linked in: netdevsim
| [    2.376499] Tainted: [W]=WARN
[    2.376521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.376557] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.376599] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.376686] RSP: 0018:ff3fb37440457888 EFLAGS: 00010286
[    2.376715] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.376755] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3ad00
[    2.376796] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bf9030
[    2.376837] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.376879] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f3ad00
[    2.376921] FS:  00007fb3e54e6840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[    2.376964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.377000] CR2: 00007fb3e5a9b004 CR3: 0000000006b5c001 CR4: 0000000000771ef0
[    2.377043] PKRU: 55555554
[    2.377058] Call Trace:
[    2.377072]  <TASK>
[    2.377094]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.377118]  register_netdevice (net/core/dev.c:11488)
[    2.377140] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.377170] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.377197] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.377229]  devlink_reload (net/devlink/dev.c:475)
[    2.377254]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.377281]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.377310]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.377338]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.377360]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.377388]  ? devlink_reload (net/devlink/dev.c:486)
[    2.377410]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.377437]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.377462]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.377490]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.377512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.377535]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.377557]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.377582]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.377604]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.377626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.377655] RIP: 0033:0x7fb3e572008e
[    2.377676] 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
[    2.377763] RSP: 002b:00007ffd841fadc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.377801] RAX: ffffffffffffffda RBX: 000000000d70b980 RCX: 00007fb3e572008e
[    2.377837] RDX: 0000000000000038 RSI: 000000000d70bba0 RDI: 0000000000000005
[    2.377874] RBP: 00007ffd841fadd0 R08: 00007fb3e59d4980 R09: 000000000000000c
[    2.377915] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.377958] R13: 000000000d70b980 R14: 0000000000000000 R15: 0000000000000003
| [    2.435316] ------------[ cut here ]------------
| [    2.435367] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: devlink/262
| [    2.435423] Modules linked in: netdevsim
| [    2.435503] Tainted: [W]=WARN
[    2.435526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.435561] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.435588] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.435677] RSP: 0018:ff3fb37440507908 EFLAGS: 00010286
[    2.435708] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.435748] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f18e00
[    2.435787] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c43337030
[    2.435825] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.435866] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f18e00
[    2.435912] FS:  00007f80002ea840(0000) GS:ff24a84cfba5a000(0000) knlGS:0000000000000000
[    2.435959] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.435996] CR2: 00007f800089f004 CR3: 000000000765b004 CR4: 0000000000771ef0
[    2.436039] PKRU: 55555554
[    2.436056] Call Trace:
[    2.436073]  <TASK>
[    2.436094]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.436124]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.436157] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.436187] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.436220] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.436249] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.436276]  devlink_reload (net/devlink/dev.c:462)
[    2.436304]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.436331]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.436359]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.436389]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.436415]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.436445]  ? devlink_reload (net/devlink/dev.c:486)
[    2.436464]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.436499]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.436519]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.436541]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.436562]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.436584]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.436606]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.436632]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.436654]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.436677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.436706] RIP: 0033:0x7f800052408e
[    2.436728] 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
[    2.436818] RSP: 002b:00007ffc5994dab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.436858] RAX: ffffffffffffffda RBX: 0000000016499980 RCX: 00007f800052408e
[    2.436902] RDX: 0000000000000038 RSI: 0000000016499ba0 RDI: 0000000000000005
[    2.436945] RBP: 00007ffc5994dac0 R08: 00007f80007d8980 R09: 000000000000000c
[    2.436987] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.437026] R13: 0000000016499980 R14: 0000000000000000 R15: 0000000000000003
| [    2.458304] ------------[ cut here ]------------
| [    2.458363] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#0: devlink/262
| [    2.458411] Modules linked in: netdevsim
| [    2.458494] Tainted: [W]=WARN
[    2.458515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.458552] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.458580] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.458667] RSP: 0018:ff3fb37440507888 EFLAGS: 00010286
[    2.458695] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.458735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f18e00
[    2.458777] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c42e5a030
[    2.458817] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.458857] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f18e00
[    2.458902] FS:  00007f80002ea840(0000) GS:ff24a84cfba5a000(0000) knlGS:0000000000000000
[    2.458945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.458980] CR2: 00007f800089f004 CR3: 000000000765b004 CR4: 0000000000771ef0
[    2.459022] PKRU: 55555554
[    2.459035] Call Trace:
[    2.459051]  <TASK>
[    2.459065]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.459093]  register_netdevice (net/core/dev.c:11488)
[    2.459117] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.459151] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.459181] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.459212]  devlink_reload (net/devlink/dev.c:475)
[    2.459234]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.459261]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.459288]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.459317]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.459340]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.459369]  ? devlink_reload (net/devlink/dev.c:486)
[    2.459391]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.459420]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.459446]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.459468]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.459494]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.459518]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.459539]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.459561]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.459580]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.459604]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.459632] RIP: 0033:0x7f800052408e
[    2.459652] 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
[    2.459739] RSP: 002b:00007ffc5994dab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.459780] RAX: ffffffffffffffda RBX: 0000000016499980 RCX: 00007f800052408e
[    2.459820] RDX: 0000000000000038 RSI: 0000000016499ba0 RDI: 0000000000000005
[    2.459862] RBP: 00007ffc5994dac0 R08: 00007f80007d8980 R09: 000000000000000c
[    2.459902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.459944] R13: 0000000016499980 R14: 0000000000000000 R15: 0000000000000003
| [    2.483616] ------------[ cut here ]------------
| [    2.483700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/274
| [    2.483794] Modules linked in: netdevsim
| [    2.483959] Tainted: [W]=WARN
[    2.484014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.484085] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.484161] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.484304] RSP: 0018:ff3fb37440547908 EFLAGS: 00010286
[    2.484369] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.484450] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3ae00
[    2.484535] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c47601030
[    2.484614] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.484693] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f3ae00
[    2.484776] FS:  00007f201c3a9840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.484857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.484931] CR2: 00007f201c95e004 CR3: 00000000077a3002 CR4: 0000000000771ef0
[    2.485012] PKRU: 55555554
[    2.485060] Call Trace:
[    2.485116]  <TASK>
[    2.485165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.485231]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.485295] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.485363] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.485432] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.485505] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.485571]  devlink_reload (net/devlink/dev.c:462)
[    2.485629]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.485694]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.485760]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.485826]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.485884]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.485948]  ? devlink_reload (net/devlink/dev.c:486)
[    2.486005]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.486068]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.486133]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.486190]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.486248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.486306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.486363]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.486422]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.486478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.486543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.486609] RIP: 0033:0x7f201c5e308e
[    2.486665] 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
[    2.486802] RSP: 002b:00007ffd3288d5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.486880] RAX: ffffffffffffffda RBX: 000000003184b980 RCX: 00007f201c5e308e
[    2.486957] RDX: 0000000000000038 RSI: 000000003184bba0 RDI: 0000000000000005
[    2.487037] RBP: 00007ffd3288d5f0 R08: 00007f201c897980 R09: 000000000000000c
[    2.487120] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.487197] R13: 000000003184b980 R14: 0000000000000000 R15: 0000000000000003
| [    2.509274] ------------[ cut here ]------------
| [    2.509371] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/274
| [    2.509464] Modules linked in: netdevsim
| [    2.509656] Tainted: [W]=WARN
[    2.509713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.509785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.509849] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.509995] RSP: 0018:ff3fb37440547888 EFLAGS: 00010286
[    2.510058] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.510147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3ae00
[    2.510229] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bff030
[    2.510307] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.510389] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f3ae00
[    2.510471] FS:  00007f201c3a9840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.510561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.510629] CR2: 00007f201c95e004 CR3: 00000000077a3002 CR4: 0000000000771ef0
[    2.510711] PKRU: 55555554
[    2.510760] Call Trace:
[    2.510809]  <TASK>
[    2.510858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.510915]  register_netdevice (net/core/dev.c:11488)
[    2.510973] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.511039] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.511114] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.511179]  devlink_reload (net/devlink/dev.c:475)
[    2.511236]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.511306]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.511372]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.511438]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.511501]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.511567]  ? devlink_reload (net/devlink/dev.c:486)
[    2.511623]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.511688]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.511744]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.511801]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.511858]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.511915]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.511972]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.512030]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.512086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.512153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.512218] RIP: 0033:0x7f201c5e308e
[    2.512274] 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
[    2.512406] RSP: 002b:00007ffd3288d5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.512493] RAX: ffffffffffffffda RBX: 000000003184b980 RCX: 00007f201c5e308e
[    2.512602] RDX: 0000000000000038 RSI: 000000003184bba0 RDI: 0000000000000005
[    2.512683] RBP: 00007ffd3288d5f0 R08: 00007f201c897980 R09: 000000000000000c
[    2.512761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.512841] R13: 000000003184b980 R14: 0000000000000000 R15: 0000000000000003
| [    2.583293] ------------[ cut here ]------------
| [    2.583371] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/335
| [    2.583462] Modules linked in: netdevsim
| [    2.583621] Tainted: [W]=WARN
[    2.583676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.583748] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.583817] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.583952] RSP: 0018:ff3fb37440627908 EFLAGS: 00010286
[    2.584017] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.584105] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3aa00
[    2.584185] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44a1e030
[    2.584266] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.584343] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f3aa00
[    2.584425] FS:  00007f1f5e29d840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.584515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.584585] CR2: 00007f1f5e852004 CR3: 0000000007d83005 CR4: 0000000000771ef0
[    2.584664] PKRU: 55555554
[    2.584713] Call Trace:
[    2.584763]  <TASK>
[    2.584812]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.584878]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.584943] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.585010] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.585076] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.585146] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.585229]  devlink_reload (net/devlink/dev.c:462)
[    2.585288]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.585355]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.585420]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.585493]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.585551]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.585617]  ? devlink_reload (net/devlink/dev.c:486)
[    2.585673]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.585738]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.585795]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.585853]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.585911]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.585969]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.586026]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.586085]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.586150]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.586209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.586278] RIP: 0033:0x7f1f5e4d708e
[    2.586334] 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
[    2.586476] RSP: 002b:00007fffd67c7660 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.586559] RAX: ffffffffffffffda RBX: 000000001729f980 RCX: 00007f1f5e4d708e
[    2.586637] RDX: 0000000000000038 RSI: 000000001729fba0 RDI: 0000000000000005
[    2.586713] RBP: 00007fffd67c7670 R08: 00007f1f5e78b980 R09: 000000000000000c
[    2.586792] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.586869] R13: 000000001729f980 R14: 0000000000000000 R15: 0000000000000003
| [    2.613290] ------------[ cut here ]------------
| [    2.613403] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/335
| [    2.613503] Modules linked in: netdevsim
| [    2.613660] Tainted: [W]=WARN
[    2.613715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.613786] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.613850] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.613983] RSP: 0018:ff3fb37440627888 EFLAGS: 00010286
[    2.614045] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.614128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f3aa00
[    2.614206] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bff030
[    2.614282] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.614357] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f3aa00
[    2.614441] FS:  00007f1f5e29d840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.614534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.614606] CR2: 00007f1f5e852004 CR3: 0000000007d83005 CR4: 0000000000771ef0
[    2.614682] PKRU: 55555554
[    2.614730] Call Trace:
[    2.614779]  <TASK>
[    2.614827]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.614883]  register_netdevice (net/core/dev.c:11488)
[    2.614940] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.615007] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.615073] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.615150]  devlink_reload (net/devlink/dev.c:475)
[    2.615207]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.615271]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.615339]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.615405]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.615463]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.615547]  ? devlink_reload (net/devlink/dev.c:486)
[    2.615604]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.615668]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.615724]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.615781]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.615838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.615896]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.615953]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.616011]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.616067]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.616130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.616194] RIP: 0033:0x7f1f5e4d708e
[    2.616251] 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
[    2.616387] RSP: 002b:00007fffd67c7660 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.616461] RAX: ffffffffffffffda RBX: 000000001729f980 RCX: 00007f1f5e4d708e
[    2.616541] RDX: 0000000000000038 RSI: 000000001729fba0 RDI: 0000000000000005
[    2.616617] RBP: 00007fffd67c7670 R08: 00007f1f5e78b980 R09: 000000000000000c
[    2.616692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.616767] R13: 000000001729f980 R14: 0000000000000000 R15: 0000000000000003
| [    2.641155] ------------[ cut here ]------------
| [    2.641243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/346
| [    2.641335] Modules linked in: netdevsim
| [    2.641501] Tainted: [W]=WARN
[    2.641558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.641628] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.641693] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.641831] RSP: 0018:ff3fb3744065f908 EFLAGS: 00010286
[    2.641893] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.641969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53000
[    2.642047] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c47606030
[    2.642147] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.642227] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f53000
[    2.642308] FS:  00007f7059508840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.642387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.642456] CR2: 00007f7059abd004 CR3: 0000000007ea7005 CR4: 0000000000771ef0
[    2.642552] PKRU: 55555554
[    2.642600] Call Trace:
[    2.642649]  <TASK>
[    2.642698]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.642763]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.642828] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.642896] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.642961] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.643028] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.643100]  devlink_reload (net/devlink/dev.c:462)
[    2.643159]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.643229]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.643296]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.643362]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.643420]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.643484]  ? devlink_reload (net/devlink/dev.c:486)
[    2.643568]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.643632]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.643689]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.643746]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.643804]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.643861]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.643919]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.643977]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.644033]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.644098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.644162] RIP: 0033:0x7f705974208e
[    2.644217] 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
[    2.644347] RSP: 002b:00007fffa2ec7ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.644423] RAX: ffffffffffffffda RBX: 0000000007bde980 RCX: 00007f705974208e
[    2.644508] RDX: 0000000000000038 RSI: 0000000007bdeba0 RDI: 0000000000000005
[    2.644586] RBP: 00007fffa2ec7f00 R08: 00007f70599f6980 R09: 000000000000000c
[    2.644664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.644741] R13: 0000000007bde980 R14: 0000000000000000 R15: 0000000000000003
| [    2.664280] ------------[ cut here ]------------
| [    2.664414] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/346
| [    2.664515] Modules linked in: netdevsim
| [    2.664673] Tainted: [W]=WARN
[    2.664729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.664799] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.664863] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.665008] RSP: 0018:ff3fb3744065f888 EFLAGS: 00010286
[    2.665074] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.665162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53000
[    2.665243] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bff030
[    2.665321] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.665403] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f53000
[    2.665497] FS:  00007f7059508840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.665653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.665724] CR2: 00007f7059abd004 CR3: 0000000007ea7005 CR4: 0000000000771ef0
[    2.665807] PKRU: 55555554
[    2.665856] Call Trace:
[    2.665905]  <TASK>
[    2.665955]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.666012]  register_netdevice (net/core/dev.c:11488)
[    2.666071] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.666150] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.666219] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.666285]  devlink_reload (net/devlink/dev.c:475)
[    2.666350]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.666416]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.666481]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.666559]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.666619]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.666687]  ? devlink_reload (net/devlink/dev.c:486)
[    2.666744]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.666812]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.666869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.666929]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.666987]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.667047]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.667111]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.667171]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.667228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.667287]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.667352] RIP: 0033:0x7f705974208e
[    2.667408] 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
[    2.667556] RSP: 002b:00007fffa2ec7ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.667636] RAX: ffffffffffffffda RBX: 0000000007bde980 RCX: 00007f705974208e
[    2.667714] RDX: 0000000000000038 RSI: 0000000007bdeba0 RDI: 0000000000000005
[    2.667793] RBP: 00007fffa2ec7f00 R08: 00007f70599f6980 R09: 000000000000000c
[    2.667875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.667953] R13: 0000000007bde980 R14: 0000000000000000 R15: 0000000000000003
| [    2.706542] ------------[ cut here ]------------
| [    2.706625] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/378
| [    2.706716] Modules linked in: netdevsim
| [    2.706870] Tainted: [W]=WARN
[    2.706924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.706995] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.707061] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.707203] RSP: 0018:ff3fb374406ef908 EFLAGS: 00010286
[    2.707267] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.707345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53400
[    2.707423] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c43331030
[    2.707510] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.707588] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f53400
[    2.707674] FS:  00007f1e08bf5840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.707756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.707826] CR2: 00007f1e091aa004 CR3: 0000000007ca9004 CR4: 0000000000771ef0
[    2.707909] PKRU: 55555554
[    2.707957] Call Trace:
[    2.708007]  <TASK>
[    2.708055]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.708124]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.708190] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.708257] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.708322] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.708388] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.708453]  devlink_reload (net/devlink/dev.c:462)
[    2.708520]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.708583]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.708649]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.708717]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.708775]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.708839]  ? devlink_reload (net/devlink/dev.c:486)
[    2.708896]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.708961]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.709020]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.709078]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.709145]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.709203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.709261]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.709320]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.709378]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.709437]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.709509] RIP: 0033:0x7f1e08e2f08e
[    2.709566] 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
[    2.709702] RSP: 002b:00007ffc243d38b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.709780] RAX: ffffffffffffffda RBX: 000000001daef980 RCX: 00007f1e08e2f08e
[    2.709858] RDX: 0000000000000038 RSI: 000000001daefba0 RDI: 0000000000000005
[    2.709937] RBP: 00007ffc243d38c0 R08: 00007f1e090e3980 R09: 000000000000000c
[    2.710013] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.710097] R13: 000000001daef980 R14: 0000000000000000 R15: 0000000000000003
| [    2.727281] ------------[ cut here ]------------
| [    2.727352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/378
| [    2.727441] Modules linked in: netdevsim
| [    2.727605] Tainted: [W]=WARN
[    2.727661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.727731] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.727796] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.727938] RSP: 0018:ff3fb374406ef888 EFLAGS: 00010286
[    2.728002] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.728079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53400
[    2.728162] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bff030
[    2.728240] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.728321] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f53400
[    2.728405] FS:  00007f1e08bf5840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.728494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.728567] CR2: 00007f1e091aa004 CR3: 0000000007ca9004 CR4: 0000000000771ef0
[    2.728646] PKRU: 55555554
[    2.728693] Call Trace:
[    2.728742]  <TASK>
[    2.728791]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.728849]  register_netdevice (net/core/dev.c:11488)
[    2.728907] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.728975] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.729042] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.729119]  devlink_reload (net/devlink/dev.c:475)
[    2.729177]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.729242]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.729312]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.729378]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.729436]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.729505]  ? devlink_reload (net/devlink/dev.c:486)
[    2.729562]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.729625]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.729683]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.729740]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.729799]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.729857]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.729914]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.729973]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.730029]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.730096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.730159] RIP: 0033:0x7f1e08e2f08e
[    2.730215] 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
[    2.730348] RSP: 002b:00007ffc243d38b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.730428] RAX: ffffffffffffffda RBX: 000000001daef980 RCX: 00007f1e08e2f08e
[    2.730510] RDX: 0000000000000038 RSI: 000000001daefba0 RDI: 0000000000000005
[    2.730587] RBP: 00007ffc243d38c0 R08: 00007f1e090e3980 R09: 000000000000000c
[    2.730664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.730743] R13: 000000001daef980 R14: 0000000000000000 R15: 0000000000000003
| [    2.764845] ------------[ cut here ]------------
| [    2.764919] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/394
| [    2.765018] Modules linked in: netdevsim
| [    2.765177] Tainted: [W]=WARN
[    2.765233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.765302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.765368] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.765510] RSP: 0018:ff3fb37440747908 EFLAGS: 00010286
[    2.765576] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.765655] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53600
[    2.765737] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c428de030
[    2.765816] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.765893] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f53600
[    2.765973] FS:  00007ffaf2782840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.766056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.766135] CR2: 00007ffaf2d37004 CR3: 0000000007fa1004 CR4: 0000000000771ef0
[    2.766217] PKRU: 55555554
[    2.766266] Call Trace:
[    2.766315]  <TASK>
[    2.766364]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    2.766432]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[    2.766503] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    2.766571] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    2.766638] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    2.766704] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[    2.766770]  devlink_reload (net/devlink/dev.c:462)
[    2.766828]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.766891]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.766958]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.767027]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.767084]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.767159]  ? devlink_reload (net/devlink/dev.c:486)
[    2.767215]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.767281]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.767338]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.767395]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.767469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.767532]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.767590]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.767648]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.767704]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.767764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.767830] RIP: 0033:0x7ffaf29bc08e
[    2.767887] 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
[    2.768025] RSP: 002b:00007fff646a1b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.768120] RAX: ffffffffffffffda RBX: 0000000011300980 RCX: 00007ffaf29bc08e
[    2.768201] RDX: 0000000000000038 RSI: 0000000011300ba0 RDI: 0000000000000005
[    2.768279] RBP: 00007fff646a1b50 R08: 00007ffaf2c70980 R09: 000000000000000c
[    2.768360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.768439] R13: 0000000011300980 R14: 0000000000000000 R15: 0000000000000003
| [    2.792282] ------------[ cut here ]------------
| [    2.792382] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/394
| [    2.792472] Modules linked in: netdevsim
| [    2.792627] Tainted: [W]=WARN
[    2.792683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.792751] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    2.792814] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    2.792946] RSP: 0018:ff3fb37440747888 EFLAGS: 00010286
[    2.793008] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[    2.793086] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53600
[    2.793170] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bff030
[    2.793247] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[    2.793323] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f53600
[    2.793404] FS:  00007ffaf2782840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[    2.793483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.793559] CR2: 00007ffaf2d37004 CR3: 0000000007fa1004 CR4: 0000000000771ef0
[    2.793640] PKRU: 55555554
[    2.793688] Call Trace:
[    2.793736]  <TASK>
[    2.793785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[    2.793873]  register_netdevice (net/core/dev.c:11488)
[    2.793933] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[    2.794001] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    2.794067] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[    2.794139]  devlink_reload (net/devlink/dev.c:475)
[    2.794197]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[    2.794264]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[    2.794335]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[    2.794404]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[    2.794461]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[    2.794533]  ? devlink_reload (net/devlink/dev.c:486)
[    2.794591]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[    2.794657]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[    2.794715]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    2.794773]  genl_rcv (net/netlink/genetlink.c:1218)
[    2.794831]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    2.794889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    2.794946]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[    2.795003]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[    2.795059]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    2.795130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    2.795200] RIP: 0033:0x7ffaf29bc08e
[    2.795272] 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
[    2.795413] RSP: 002b:00007fff646a1b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    2.795498] RAX: ffffffffffffffda RBX: 0000000011300980 RCX: 00007ffaf29bc08e
[    2.795576] RDX: 0000000000000038 RSI: 0000000011300ba0 RDI: 0000000000000005
[    2.795653] RBP: 00007fff646a1b50 R08: 00007ffaf2c70980 R09: 000000000000000c
[    2.795729] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[    2.795805] R13: 0000000011300980 R14: 0000000000000000 R15: 0000000000000003
| [  258.378972] ------------[ cut here ]------------
| [  258.379068] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/907
| [  258.379177] Modules linked in: netdevsim
| [  258.379334] Tainted: [W]=WARN
[  258.379393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.379468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.379538] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.379669] RSP: 0018:ff3fb37440d8b908 EFLAGS: 00010286
[  258.379733] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.379814] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53700
[  258.379897] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c42d0f830
[  258.379973] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.380054] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f53700
[  258.380152] FS:  00007f24c31de840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[  258.380236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.380310] CR2: 00007f24c3793004 CR3: 0000000004a2c005 CR4: 0000000000771ef0
[  258.380394] PKRU: 55555554
[  258.380446] Call Trace:
[  258.380501]  <TASK>
[  258.380551]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.380622]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.380692] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.380769] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.380842] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.380913] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.380985]  devlink_reload (net/devlink/dev.c:462)
[  258.381053]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.381135]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.381209]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.381285]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.381348]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.381419]  ? devlink_reload (net/devlink/dev.c:486)
[  258.381482]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.381550]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.381613]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.381677]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.381741]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.381804]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.381868]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.381934]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.381997]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.382062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.382142] RIP: 0033:0x7f24c341808e
[  258.382203] 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
[  258.382339] RSP: 002b:00007fffb1339580 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.382420] RAX: ffffffffffffffda RBX: 000000002a912980 RCX: 00007f24c341808e
[  258.382502] RDX: 0000000000000038 RSI: 000000002a912ba0 RDI: 0000000000000005
[  258.382583] RBP: 00007fffb1339590 R08: 00007f24c36cc980 R09: 000000000000000c
[  258.382659] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.382741] R13: 000000002a912980 R14: 0000000000000000 R15: 0000000000000003
| [  258.425282] ------------[ cut here ]------------
| [  258.425396] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/907
| [  258.425491] Modules linked in: netdevsim
| [  258.425642] Tainted: [W]=WARN
[  258.425704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.425772] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.425836] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.425966] RSP: 0018:ff3fb37440d8b888 EFLAGS: 00010286
[  258.426039] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.426135] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f53700
[  258.426212] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bff030
[  258.426288] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.426370] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f53700
[  258.426451] FS:  00007f24c31de840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[  258.426528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.426608] CR2: 00007f24c3793004 CR3: 0000000004a2c005 CR4: 0000000000771ef0
[  258.426687] PKRU: 55555554
[  258.426738] Call Trace:
[  258.426790]  <TASK>
[  258.426842]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  258.426901]  register_netdevice (net/core/dev.c:11488)
[  258.426965] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  258.427036] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  258.427126] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  258.427196]  devlink_reload (net/devlink/dev.c:475)
[  258.427256]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.427331]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.427399]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.427465]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.427527]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.427593]  ? devlink_reload (net/devlink/dev.c:486)
[  258.427653]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.427721]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.427779]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.427840]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.427901]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.427959]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.428022]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.428082]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.428156]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.428218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.428285] RIP: 0033:0x7f24c341808e
[  258.428343] 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
[  258.428471] RSP: 002b:00007fffb1339580 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.428552] RAX: ffffffffffffffda RBX: 000000002a912980 RCX: 00007f24c341808e
[  258.428635] RDX: 0000000000000038 RSI: 000000002a912ba0 RDI: 0000000000000005
[  258.428713] RBP: 00007fffb1339590 R08: 00007f24c36cc980 R09: 000000000000000c
[  258.428791] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.428872] R13: 000000002a912980 R14: 0000000000000000 R15: 0000000000000003
| [  258.453003] ------------[ cut here ]------------
| [  258.453049] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/921
| [  258.453106] Modules linked in: netdevsim
| [  258.453191] Tainted: [W]=WARN
[  258.453210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.453243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.453273] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.453372] RSP: 0018:ff3fb37440dcb908 EFLAGS: 00010286
[  258.453399] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.453439] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f20800
[  258.453485] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c419ce830
[  258.453528] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.453573] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f20800
[  258.453618] FS:  00007fb1be0e0840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.453661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.453699] CR2: 00007fb1be695004 CR3: 00000000031b6003 CR4: 0000000000771ef0
[  258.453738] PKRU: 55555554
[  258.453753] Call Trace:
[  258.453770]  <TASK>
[  258.453786]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.453818]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.453847] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.453877] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.453906] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.453936] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.453964]  devlink_reload (net/devlink/dev.c:462)
[  258.453988]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.454016]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.454045]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.454100]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.454129]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.454160]  ? devlink_reload (net/devlink/dev.c:486)
[  258.454183]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.454213]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.454233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.454254]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.454276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.454297]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.454318]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.454341]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.454364]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.454387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.454413] RIP: 0033:0x7fb1be31a08e
[  258.454436] 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
[  258.454536] RSP: 002b:00007ffc28421400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.454581] RAX: ffffffffffffffda RBX: 000000003c3e5980 RCX: 00007fb1be31a08e
[  258.454623] RDX: 0000000000000038 RSI: 000000003c3e5ba0 RDI: 0000000000000005
[  258.454667] RBP: 00007ffc28421410 R08: 00007fb1be5ce980 R09: 000000000000000c
[  258.454707] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.454750] R13: 000000003c3e5980 R14: 0000000000000000 R15: 0000000000000003
| [  258.485254] ------------[ cut here ]------------
| [  258.485314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/921
| [  258.485373] Modules linked in: netdevsim
| [  258.485463] Tainted: [W]=WARN
[  258.485485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.485520] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.485556] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.485643] RSP: 0018:ff3fb37440dcb888 EFLAGS: 00010286
[  258.485673] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.485718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f4d000
[  258.485762] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bf9030
[  258.485808] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.485848] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f4d000
[  258.485895] FS:  00007fb1be0e0840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.485941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.485976] CR2: 0000564cd4051e30 CR3: 00000000031b6003 CR4: 0000000000771ef0
[  258.486015] PKRU: 55555554
[  258.486030] Call Trace:
[  258.486045]  <TASK>
[  258.486060]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  258.486081]  register_netdevice (net/core/dev.c:11488)
[  258.486108] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  258.486144] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  258.486175] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  258.486207]  devlink_reload (net/devlink/dev.c:475)
[  258.486230]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.486255]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.486287]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.486315]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.486336]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.486364]  ? devlink_reload (net/devlink/dev.c:486)
[  258.486385]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.486413]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.486435]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.486459]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.486480]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.486501]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.486524]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.486546]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.486568]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.486587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.486614] RIP: 0033:0x7fb1be31a08e
[  258.486634] 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
[  258.486735] RSP: 002b:00007ffc28421400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.486776] RAX: ffffffffffffffda RBX: 000000003c3e5980 RCX: 00007fb1be31a08e
[  258.486821] RDX: 0000000000000038 RSI: 000000003c3e5ba0 RDI: 0000000000000005
[  258.486865] RBP: 00007ffc28421410 R08: 00007fb1be5ce980 R09: 000000000000000c
[  258.486905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.486947] R13: 000000003c3e5980 R14: 0000000000000000 R15: 0000000000000003
| [  258.522270] ------------[ cut here ]------------
| [  258.522316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/953
| [  258.522367] Modules linked in: netdevsim
| [  258.522445] Tainted: [W]=WARN
[  258.522468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.522500] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.522529] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.522624] RSP: 0018:ff3fb37440e4b908 EFLAGS: 00010286
[  258.522655] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.522695] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f18d00
[  258.522733] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c419ce830
[  258.522778] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.522817] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f18d00
[  258.522859] FS:  00007fad4cd21840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.522903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.522937] CR2: 00007fad4d2d6004 CR3: 000000000336d006 CR4: 0000000000771ef0
[  258.522982] PKRU: 55555554
[  258.522997] Call Trace:
[  258.523011]  <TASK>
[  258.523027]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.523056]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.523083] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.523121] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.523151] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.523180] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.523208]  devlink_reload (net/devlink/dev.c:462)
[  258.523232]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.523260]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.523289]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.523318]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.523341]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.523371]  ? devlink_reload (net/devlink/dev.c:486)
[  258.523391]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.523421]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.523444]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.523466]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.523491]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.523514]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.523538]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.523561]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.523583]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.523603]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.523632] RIP: 0033:0x7fad4cf5b08e
[  258.523657] 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
[  258.523752] RSP: 002b:00007ffc88cf41f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.523794] RAX: ffffffffffffffda RBX: 000000001a0c8980 RCX: 00007fad4cf5b08e
[  258.523837] RDX: 0000000000000038 RSI: 000000001a0c8ba0 RDI: 0000000000000005
[  258.523875] RBP: 00007ffc88cf4200 R08: 00007fad4d20f980 R09: 000000000000000c
[  258.523916] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.523955] R13: 000000001a0c8980 R14: 0000000000000000 R15: 0000000000000003
| [  258.572262] ------------[ cut here ]------------
| [  258.572318] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/953
| [  258.572368] Modules linked in: netdevsim
| [  258.572446] Tainted: [W]=WARN
[  258.572468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.572504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.572536] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.572625] RSP: 0018:ff3fb37440e4b888 EFLAGS: 00010286
[  258.572655] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.572702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f18d00
[  258.572744] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bf9030
[  258.572781] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.572823] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f18d00
[  258.572865] FS:  00007fad4cd21840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.572908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.572942] CR2: 00007fad4d2d6004 CR3: 000000000336d006 CR4: 0000000000771ef0
[  258.572988] PKRU: 55555554
[  258.573004] Call Trace:
[  258.573021]  <TASK>
[  258.573036]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  258.573059]  register_netdevice (net/core/dev.c:11488)
[  258.573079] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  258.573119] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  258.573149] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  258.573177]  devlink_reload (net/devlink/dev.c:475)
[  258.573202]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.573230]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.573263]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.573292]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.573314]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.573345]  ? devlink_reload (net/devlink/dev.c:486)
[  258.573366]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.573394]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.573416]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.573443]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.573465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.573488]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.573510]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.573534]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.573553]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.573575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.573601] RIP: 0033:0x7fad4cf5b08e
[  258.573624] 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
[  258.573721] RSP: 002b:00007ffc88cf41f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.573761] RAX: ffffffffffffffda RBX: 000000001a0c8980 RCX: 00007fad4cf5b08e
[  258.573798] RDX: 0000000000000038 RSI: 000000001a0c8ba0 RDI: 0000000000000005
[  258.573837] RBP: 00007ffc88cf4200 R08: 00007fad4d20f980 R09: 000000000000000c
[  258.573879] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.573918] R13: 000000001a0c8980 R14: 0000000000000000 R15: 0000000000000003
| [  258.607868] ------------[ cut here ]------------
| [  258.607909] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/971
| [  258.607958] Modules linked in: netdevsim
| [  258.608041] Tainted: [W]=WARN
[  258.608063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.608102] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.608138] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.608229] RSP: 0018:ff3fb37440df3908 EFLAGS: 00010286
[  258.608258] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.608301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f20800
[  258.608346] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c43333830
[  258.608382] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.608424] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f20800
[  258.608467] FS:  00007f8a7df72840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.608513] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.608552] CR2: 00007f8a7e527004 CR3: 00000000031bd001 CR4: 0000000000771ef0
[  258.608606] PKRU: 55555554
[  258.608620] Call Trace:
[  258.608642]  <TASK>
[  258.608657]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.608686]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.608720] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.608750] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.608785] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.608813] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.608843]  devlink_reload (net/devlink/dev.c:462)
[  258.608865]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.608902]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.608929]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.608957]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.608978]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.609006]  ? devlink_reload (net/devlink/dev.c:486)
[  258.609029]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.609056]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.609079]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.609107]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.609131]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.609150]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.609171]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.609194]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.609215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.609236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.609264] RIP: 0033:0x7f8a7e1ac08e
[  258.609285] 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
[  258.609387] RSP: 002b:00007ffd7fd32d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.609427] RAX: ffffffffffffffda RBX: 0000000002941980 RCX: 00007f8a7e1ac08e
[  258.609463] RDX: 0000000000000038 RSI: 0000000002941ba0 RDI: 0000000000000005
[  258.609507] RBP: 00007ffd7fd32d80 R08: 00007f8a7e460980 R09: 000000000000000c
[  258.609547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.609587] R13: 0000000002941980 R14: 0000000000000000 R15: 0000000000000003
| [  258.647317] ------------[ cut here ]------------
| [  258.647376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/971
| [  258.647433] Modules linked in: netdevsim
| [  258.647515] Tainted: [W]=WARN
[  258.647537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.647571] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.647604] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.647696] RSP: 0018:ff3fb37440df3888 EFLAGS: 00010286
[  258.647722] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.647761] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f20800
[  258.647801] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bf9030
[  258.647840] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.647888] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f20800
[  258.647926] FS:  00007f8a7df72840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.647968] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.647998] CR2: 00007f8a7e527004 CR3: 00000000031bd001 CR4: 0000000000771ef0
[  258.648047] PKRU: 55555554
[  258.648061] Call Trace:
[  258.648076]  <TASK>
[  258.648095]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  258.648123]  register_netdevice (net/core/dev.c:11488)
[  258.648145] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  258.648176] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  258.648205] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  258.648231]  devlink_reload (net/devlink/dev.c:475)
[  258.648253]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.648286]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.648314]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.648344]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.648365]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.648393]  ? devlink_reload (net/devlink/dev.c:486)
[  258.648413]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.648440]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.648461]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.648483]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.648503]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.648524]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.648543]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.648568]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.648588]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.648610]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.648637] RIP: 0033:0x7f8a7e1ac08e
[  258.648658] 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
[  258.648756] RSP: 002b:00007ffd7fd32d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.648807] RAX: ffffffffffffffda RBX: 0000000002941980 RCX: 00007f8a7e1ac08e
[  258.648852] RDX: 0000000000000038 RSI: 0000000002941ba0 RDI: 0000000000000005
[  258.648897] RBP: 00007ffd7fd32d80 R08: 00007f8a7e460980 R09: 000000000000000c
[  258.648939] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.648982] R13: 0000000002941980 R14: 0000000000000000 R15: 0000000000000003
| [  258.761701] ------------[ cut here ]------------
| [  258.761749] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/1063
| [  258.761805] Modules linked in: netdevsim
| [  258.761880] Tainted: [W]=WARN
[  258.761898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.761931] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.761960] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.762049] RSP: 0018:ff3fb37440f9b908 EFLAGS: 00010286
[  258.762078] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.762139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f20800
[  258.762180] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c47601830
[  258.762219] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.762260] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f20800
[  258.762306] FS:  00007f86dc5a9840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.762346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.762380] CR2: 00007f86dcb5e004 CR3: 0000000007765006 CR4: 0000000000771ef0
[  258.762428] PKRU: 55555554
[  258.762443] Call Trace:
[  258.762456]  <TASK>
[  258.762472]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.762502]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.762530] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.762561] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.762589] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.762617] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.762647]  devlink_reload (net/devlink/dev.c:462)
[  258.762669]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.762697]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.762729]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.762758]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.762779]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.762807]  ? devlink_reload (net/devlink/dev.c:486)
[  258.762833]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.762862]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.762884]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.762907]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.762928]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.762951]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.762972]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.762998]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.763021]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.763044]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.763072] RIP: 0033:0x7f86dc7e308e
[  258.763102] 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
[  258.763200] RSP: 002b:00007fff09f8e0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.763247] RAX: ffffffffffffffda RBX: 000000003bad0980 RCX: 00007f86dc7e308e
[  258.763289] RDX: 0000000000000038 RSI: 000000003bad0ba0 RDI: 0000000000000005
[  258.763325] RBP: 00007fff09f8e0c0 R08: 00007f86dca97980 R09: 000000000000000c
[  258.763373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.763409] R13: 000000003bad0980 R14: 0000000000000000 R15: 0000000000000003
| [  258.783284] ------------[ cut here ]------------
| [  258.783353] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/1063
| [  258.783405] Modules linked in: netdevsim
| [  258.783488] Tainted: [W]=WARN
[  258.783510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.783542] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.783571] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.783664] RSP: 0018:ff3fb37440f9b888 EFLAGS: 00010286
[  258.783689] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.783731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f20800
[  258.783778] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bf9030
[  258.783816] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.783855] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f20800
[  258.783900] FS:  00007f86dc5a9840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.783944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.783976] CR2: 00007f86dcb5e004 CR3: 0000000007765006 CR4: 0000000000771ef0
[  258.784015] PKRU: 55555554
[  258.784029] Call Trace:
[  258.784046]  <TASK>
[  258.784063]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  258.784086]  register_netdevice (net/core/dev.c:11488)
[  258.784120] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  258.784154] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  258.784183] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  258.784213]  devlink_reload (net/devlink/dev.c:475)
[  258.784235]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.784263]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.784293]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.784322]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.784344]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.784375]  ? devlink_reload (net/devlink/dev.c:486)
[  258.784395]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.784425]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.784444]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.784467]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.784488]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.784510]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.784537]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.784560]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.784581]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.784605]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.784636] RIP: 0033:0x7f86dc7e308e
[  258.784657] 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
[  258.784747] RSP: 002b:00007fff09f8e0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.784786] RAX: ffffffffffffffda RBX: 000000003bad0980 RCX: 00007f86dc7e308e
[  258.784831] RDX: 0000000000000038 RSI: 000000003bad0ba0 RDI: 0000000000000005
[  258.784870] RBP: 00007fff09f8e0c0 R08: 00007f86dca97980 R09: 000000000000000c
[  258.784910] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.784951] R13: 000000003bad0980 R14: 0000000000000000 R15: 0000000000000003
| [  258.812984] ------------[ cut here ]------------
| [  258.813031] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/1076
| [  258.813083] Modules linked in: netdevsim
| [  258.813169] Tainted: [W]=WARN
[  258.813190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.813222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.813269] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.813353] RSP: 0018:ff3fb37440fd3908 EFLAGS: 00010286
[  258.813380] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.813424] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f1d700
[  258.813470] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c43333830
[  258.813542] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.813587] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f1d700
[  258.813629] FS:  00007f1e73a7b840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.813672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.813702] CR2: 00007f1e74030004 CR3: 0000000002f31005 CR4: 0000000000771ef0
[  258.813742] PKRU: 55555554
[  258.813756] Call Trace:
[  258.813769]  <TASK>
[  258.813787]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.813815]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.813844] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.813872] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.813900] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.813927] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.813952]  devlink_reload (net/devlink/dev.c:462)
[  258.813974]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.814001]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.814029]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.814058]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.814078]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.814132]  ? devlink_reload (net/devlink/dev.c:486)
[  258.814153]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.814184]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.814205]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.814228]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.814250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.814272]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.814294]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.814317]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.814339]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.814364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.814392] RIP: 0033:0x7f1e73cb508e
[  258.814414] 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
[  258.814506] RSP: 002b:00007ffcb44a8450 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.814546] RAX: ffffffffffffffda RBX: 000000001f9df980 RCX: 00007f1e73cb508e
[  258.814589] RDX: 0000000000000038 RSI: 000000001f9dfba0 RDI: 0000000000000005
[  258.814628] RBP: 00007ffcb44a8460 R08: 00007f1e73f69980 R09: 000000000000000c
[  258.814671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.814714] R13: 000000001f9df980 R14: 0000000000000000 R15: 0000000000000003
| [  258.838254] ------------[ cut here ]------------
| [  258.838366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/1076
| [  258.838421] Modules linked in: netdevsim
| [  258.838501] Tainted: [W]=WARN
[  258.838525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.838559] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.838586] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.838677] RSP: 0018:ff3fb37440fd3888 EFLAGS: 00010286
[  258.838708] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.838752] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f1d700
[  258.838790] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bf9030
[  258.838828] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.838871] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f1d700
[  258.838916] FS:  00007f1e73a7b840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.838956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.838988] CR2: 00007f1e74030004 CR3: 0000000002f31005 CR4: 0000000000771ef0
[  258.839026] PKRU: 55555554
[  258.839044] Call Trace:
[  258.839057]  <TASK>
[  258.839070]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  258.839094]  register_netdevice (net/core/dev.c:11488)
[  258.839122] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  258.839151] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  258.839183] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  258.839210]  devlink_reload (net/devlink/dev.c:475)
[  258.839232]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.839258]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.839292]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.839319]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.839342]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.839374]  ? devlink_reload (net/devlink/dev.c:486)
[  258.839392]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.839420]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.839441]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.839465]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.839487]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.839508]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.839529]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.839551]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.839573]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.839594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.839622] RIP: 0033:0x7f1e73cb508e
[  258.839646] 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
[  258.839734] RSP: 002b:00007ffcb44a8450 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.839783] RAX: ffffffffffffffda RBX: 000000001f9df980 RCX: 00007f1e73cb508e
[  258.839827] RDX: 0000000000000038 RSI: 000000001f9dfba0 RDI: 0000000000000005
[  258.839865] RBP: 00007ffcb44a8460 R08: 00007f1e73f69980 R09: 000000000000000c
[  258.839902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.839943] R13: 000000001f9df980 R14: 0000000000000000 R15: 0000000000000003
| [  258.920409] ------------[ cut here ]------------
| [  258.920458] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/1141
| [  258.920513] Modules linked in: netdevsim
| [  258.920596] Tainted: [W]=WARN
[  258.920621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.920653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.920684] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.920780] RSP: 0018:ff3fb374410cb908 EFLAGS: 00010286
[  258.920809] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.920851] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f1d700
[  258.920895] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c42e68030
[  258.920941] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.920983] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f1d700
[  258.921029] FS:  00007fa226911840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.921070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.921104] CR2: 00007fa226ec6004 CR3: 0000000004b3a006 CR4: 0000000000771ef0
[  258.921152] PKRU: 55555554
[  258.921168] Call Trace:
[  258.921183]  <TASK>
[  258.921200]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.921228]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.921254] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.921285] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.921314] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.921340] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.921367]  devlink_reload (net/devlink/dev.c:462)
[  258.921386]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.921412]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.921441]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.921473]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.921492]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.921517]  ? devlink_reload (net/devlink/dev.c:486)
[  258.921535]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.921566]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.921590]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.921611]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.921632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.921654]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.921677]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.921697]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.921717]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.921741]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.921773] RIP: 0033:0x7fa226b4b08e
[  258.921795] 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
[  258.921889] RSP: 002b:00007ffedf541c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.921930] RAX: ffffffffffffffda RBX: 000000001a32e980 RCX: 00007fa226b4b08e
[  258.921976] RDX: 0000000000000038 RSI: 000000001a32eba0 RDI: 0000000000000005
[  258.922018] RBP: 00007ffedf541c30 R08: 00007fa226dff980 R09: 000000000000000c
[  258.922056] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.922101] R13: 000000001a32e980 R14: 0000000000000000 R15: 0000000000000003
| [  258.952245] ------------[ cut here ]------------
| [  258.952298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/1141
| [  258.952351] Modules linked in: netdevsim
| [  258.952437] Tainted: [W]=WARN
[  258.952461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.952499] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.952530] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.952623] RSP: 0018:ff3fb374410cb888 EFLAGS: 00010286
[  258.952653] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.952692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f1d700
[  258.952734] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c44bf9030
[  258.952782] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.952824] R13: 0000000000000010 R14: ff24a84c43046000 R15: ff24a84c42f1d700
[  258.952866] FS:  00007fa226911840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  258.952907] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.952940] CR2: 00007fa226ec6004 CR3: 0000000004b3a006 CR4: 0000000000771ef0
[  258.952978] PKRU: 55555554
[  258.952993] Call Trace:
[  258.953007]  <TASK>
[  258.953020]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  258.953040]  register_netdevice (net/core/dev.c:11488)
[  258.953066] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  258.953099] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  258.953130] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  258.953159]  devlink_reload (net/devlink/dev.c:475)
[  258.953181]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.953212]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.953240]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.953272]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.953292]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.953321]  ? devlink_reload (net/devlink/dev.c:486)
[  258.953346]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.953379]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.953400]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.953419]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.953440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.953466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.953488]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.953511]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.953532]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.953552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.953580] RIP: 0033:0x7fa226b4b08e
[  258.953604] 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
[  258.953700] RSP: 002b:00007ffedf541c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.953742] RAX: ffffffffffffffda RBX: 000000001a32e980 RCX: 00007fa226b4b08e
[  258.953787] RDX: 0000000000000038 RSI: 000000001a32eba0 RDI: 0000000000000005
[  258.953827] RBP: 00007ffedf541c30 R08: 00007fa226dff980 R09: 000000000000000c
[  258.953865] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.953903] R13: 000000001a32e980 R14: 0000000000000000 R15: 0000000000000003
| [  258.988617] ------------[ cut here ]------------
| [  258.988687] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#2: devlink/1169
| [  258.988779] Modules linked in: netdevsim
| [  258.988929] Tainted: [W]=WARN
[  258.988983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.989051] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  258.989130] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  258.989266] RSP: 0018:ff3fb37441113908 EFLAGS: 00010286
[  258.989328] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  258.989407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f1d900
[  258.989486] RBP: 0000000000000000 R08: ff24a84c4339b9d0 R09: ff24a84c42e68030
[  258.989565] R10: ff24a84c43046118 R11: fefefefefefefeff R12: 0000000000000000
[  258.989643] R13: 0000000000000011 R14: ff24a84c43046000 R15: ff24a84c42f1d900
[  258.989725] FS:  00007f78238d4840(0000) GS:ff24a84cfbb5a000(0000) knlGS:0000000000000000
[  258.989804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.989874] CR2: 00007f7823e89004 CR3: 00000000031d7001 CR4: 0000000000771ef0
[  258.989953] PKRU: 55555554
[  258.990002] Call Trace:
[  258.990050]  <TASK>
[  258.990107]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  258.990177]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  258.990242] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  258.990308] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  258.990374] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  258.990439] nsim_dev_reload_down (drivers/net/netdevsim/dev.c:1038) netdevsim
[  258.990504]  devlink_reload (net/devlink/dev.c:462)
[  258.990560]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  258.990623]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  258.990687]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  258.990752]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  258.990808]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  258.990873]  ? devlink_reload (net/devlink/dev.c:486)
[  258.990929]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  258.990992]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  258.991050]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  258.991121]  genl_rcv (net/netlink/genetlink.c:1218)
[  258.991178]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.991235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  258.991292]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  258.991349]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  258.991405]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  258.991462]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.991525] RIP: 0033:0x7f7823b0e08e
[  258.991581] 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
[  258.991713] RSP: 002b:00007fffdfd99c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  258.991791] RAX: ffffffffffffffda RBX: 0000000024ca0980 RCX: 00007f7823b0e08e
[  258.991870] RDX: 0000000000000038 RSI: 0000000024ca0ba0 RDI: 0000000000000005
[  258.991948] RBP: 00007fffdfd99c20 R08: 00007f7823dc2980 R09: 000000000000000c
[  258.992024] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  258.992107] R13: 0000000024ca0980 R14: 0000000000000000 R15: 0000000000000003
| [  259.027512] ------------[ cut here ]------------
| [  259.027553] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: devlink/1171
| [  259.027601] Modules linked in: netdevsim
| [  259.027709] Tainted: [W]=WARN
[  259.027732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  259.027770] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  259.027801] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  259.027897] RSP: 0018:ff3fb37441123888 EFLAGS: 00010286
[  259.027925] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  259.027964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c42f1d700
[  259.028010] RBP: 0000000000000000 R08: ff24a84c43022f90 R09: ff24a84c46b23030
[  259.028049] R10: ff24a84c482be118 R11: fefefefefefefeff R12: 0000000000000000
[  259.028094] R13: 0000000000000010 R14: ff24a84c482be000 R15: ff24a84c42f1d700
[  259.028142] FS:  00007f1a9952f840(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  259.028185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  259.028221] CR2: 00007f1a99ae4004 CR3: 0000000004a47002 CR4: 0000000000771ef0
[  259.028261] PKRU: 55555554
[  259.028279] Call Trace:
[  259.028295]  <TASK>
[  259.028311]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  259.028333]  register_netdevice (net/core/dev.c:11488)
[  259.028356] nsim_create (drivers/net/netdevsim/netdev.c:1069 drivers/net/netdevsim/netdev.c:1151) netdevsim
[  259.028386] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[  259.028415] nsim_dev_reload_up (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1622 drivers/net/netdevsim/dev.c:1058) netdevsim
[  259.028443]  devlink_reload (net/devlink/dev.c:475)
[  259.028465]  devlink_nl_reload_doit (net/devlink/dev.c:585)
[  259.028493]  ? devlink_get_from_attrs_lock (net/devlink/devl_internal.h:112 net/devlink/devl_internal.h:118 net/devlink/netlink.c:235)
[  259.028521]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  259.028548]  genl_rcv_msg (net/netlink/genetlink.c:1194 net/netlink/genetlink.c:1209)
[  259.028570]  ? devlink_nl_pre_doit_port (net/devlink/netlink.c:273)
[  259.028598]  ? devlink_reload (net/devlink/dev.c:486)
[  259.028620]  ? devlink_nl_post_doit (net/devlink/netlink.c:309)
[  259.028649]  ? genl_get_cmd (net/netlink/genetlink.c:314)
[  259.028671]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  259.028689]  genl_rcv (net/netlink/genetlink.c:1218)
[  259.028710]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  259.028730]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  259.028752]  __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[  259.028771]  __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[  259.028792]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  259.028815]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  259.028849] RIP: 0033:0x7f1a9976908e
[  259.028869] 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
[  259.028967] RSP: 002b:00007ffd94826f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  259.029007] RAX: ffffffffffffffda RBX: 0000000039395980 RCX: 00007f1a9976908e
[  259.029051] RDX: 0000000000000038 RSI: 0000000039395ba0 RDI: 0000000000000005
[  259.029095] RBP: 00007ffd94826f50 R08: 00007f1a99a1d980 R09: 000000000000000c
[  259.029137] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000040cd80
[  259.029173] R13: 0000000039395980 R14: 0000000000000000 R15: 0000000000000003
| [  259.037572] ------------[ cut here ]------------
| [  259.037615] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#3: nexthop.sh/156
| [  259.037667] Modules linked in: netdevsim
| [  259.037750] Tainted: [W]=WARN
[  259.037769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  259.037804] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  259.037833] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  259.037921] RSP: 0018:ff3fb3744037fb88 EFLAGS: 00010286
[  259.037949] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  259.037989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c4317ae00
[  259.038033] RBP: 0000000000000000 R08: ff24a84c43022f90 R09: ff24a84c43336030
[  259.038075] R10: ff24a84c482be118 R11: fefefefefefefeff R12: 0000000000000000
[  259.038121] R13: 0000000000000011 R14: ff24a84c482be000 R15: ff24a84c4317ae00
[  259.038166] FS:  00007f966b4d8b80(0000) GS:ff24a84cfbbda000(0000) knlGS:0000000000000000
[  259.038207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  259.038241] CR2: 000055d74386fe80 CR3: 00000000032aa001 CR4: 0000000000771ef0
[  259.038280] PKRU: 55555554
[  259.038298] Call Trace:
[  259.038314]  <TASK>
[  259.038330]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  259.038357]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309)
[  259.038387] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[  259.038416] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[  259.038444] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[  259.038474] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[  259.038503]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[  259.038533]  bus_remove_device (drivers/base/bus.c:657)
[  259.038554]  ? device_remove_attrs (drivers/base/core.c:2844 drivers/base/core.c:2977)
[  259.038588]  device_del (drivers/base/core.c:3895)
[  259.038610]  device_unregister (drivers/base/core.c:3936)
[  259.038630] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[  259.038659]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[  259.038690]  vfs_write (fs/read_write.c:595 fs/read_write.c:688)
[  259.038717]  ksys_write (fs/read_write.c:740)
[  259.038739]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  259.038765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  259.038793] RIP: 0033:0x7f966b54a08e
[  259.038814] 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
[  259.038901] RSP: 002b:00007ffeb3541d00 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  259.038946] RAX: ffffffffffffffda RBX: 00007f966b6cc580 RCX: 00007f966b54a08e
[  259.038982] RDX: 0000000000000005 RSI: 000055d74386fe80 RDI: 0000000000000001
[  259.039025] RBP: 00007ffeb3541d10 R08: 0000000000000000 R09: 0000000000000000
[  259.039064] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[  259.039104] R13: 0000000000000005 R14: 000055d74386fe80 R15: 0000000000000000
| [  259.071237] ------------[ cut here ]------------
| [  259.071345] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/63
| [  259.071408] Modules linked in: netdevsim
| [  259.071490] Tainted: [W]=WARN
[  259.071518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  259.071551] Workqueue: netns cleanup_net
[  259.071576] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  259.071601] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  259.071692] RSP: 0018:ff3fb3744022fc08 EFLAGS: 00010286
[  259.071721] RAX: 00000000ffffffa6 RBX: 0000000000000041 RCX: 0000000000000000
[  259.071764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c4317a800
[  259.071807] RBP: 0000000000000000 R08: ff24a84c42fd48d0 R09: ff24a84c41f31030
[  259.071845] R10: ff24a84c42ce6118 R11: fefefefefefefeff R12: 0000000000000000
[  259.071886] R13: 0000000000000010 R14: ff24a84c42ce6000 R15: ff24a84c4317a800
[  259.071935] FS:  0000000000000000(0000) GS:ff24a84cfbada000(0000) knlGS:0000000000000000
[  259.071980] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  259.072012] CR2: 00007f966b54a0a0 CR3: 0000000003380005 CR4: 0000000000771ef0
[  259.072050] PKRU: 55555554
[  259.072069] Call Trace:
[  259.072082]  <TASK>
[  259.072105]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4560)
[  259.072133]  netif_close_many (net/core/dev.c:1804)
[  259.072155]  unregister_netdevice_many_notify (net/core/dev.c:12330 net/core/dev.c:12400)
[  259.072184]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  259.072210]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  259.072233]  cleanup_net (net/core/net_namespace.c:702)
[  259.072255]  process_one_work (kernel/workqueue.c:3314)
[  259.072278]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  259.072299]  ? rescuer_thread (kernel/workqueue.c:3672)
[  259.072320]  kthread (kernel/kthread.c:436)
[  259.072342]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[  259.072361]  ret_from_fork (arch/x86/kernel/process.c:158)
[  259.072384]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[  259.072402]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  259.072654] ------------[ cut here ]------------
| [  259.072690] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/63
| [  259.072745] Modules linked in: netdevsim
| [  259.072822] Tainted: [W]=WARN
[  259.072841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  259.072876] Workqueue: netns cleanup_net
[  259.072899] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  259.072932] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  259.073022] RSP: 0018:ff3fb3744022fc78 EFLAGS: 00010286
[  259.073052] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  259.073100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c4317a800
[  259.073147] RBP: 0000000000000000 R08: ff24a84c42fd48d0 R09: ff24a84c41d8a030
[  259.073187] R10: ff24a84c42ce6118 R11: fefefefefefefeff R12: 0000000000000000
[  259.073232] R13: 0000000000000011 R14: ff24a84c42ce6000 R15: ff24a84c4317a800
[  259.073274] FS:  0000000000000000(0000) GS:ff24a84cfbada000(0000) knlGS:0000000000000000
[  259.073318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  259.073350] CR2: 000055d74381e8f8 CR3: 0000000003380005 CR4: 0000000000771ef0
[  259.073388] PKRU: 55555554
[  259.073403] Call Trace:
[  259.073417]  <TASK>
[  259.073432]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  259.073459]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  259.073487]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  259.073509]  cleanup_net (net/core/net_namespace.c:702)
[  259.073530]  process_one_work (kernel/workqueue.c:3314)
[  259.073552]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  259.073578]  ? rescuer_thread (kernel/workqueue.c:3672)
[  259.073600]  kthread (kernel/kthread.c:436)
[  259.073622]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[  259.073644]  ret_from_fork (arch/x86/kernel/process.c:158)
[  259.073666]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[  259.073689]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  259.073854] ------------[ cut here ]------------
| [  259.073893] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0xc8/0x110, CPU#1: 1/63
| [  259.073952] Modules linked in: netdevsim
| [  259.074021] Tainted: [W]=WARN
[  259.074043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  259.074073] Workqueue: netns cleanup_net
[  259.074102] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  259.074147] Code: 80 00 00 00 e8 09 d9 ff ff 48 83 c4 38 85 c0 75 18 48 83 c4 08 4c 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 44 8b 48 08 eb b4 90 <0f> 0b 90 ba 02 00 00 00 4c 89 fe 31 ff e8 56 a6 fb ff b9 a6 ff ff
All code
========
   0:	80 00 00             	addb   $0x0,(%rax)
   3:	00 e8                	add    %ch,%al
   5:	09 d9                	or     %ebx,%ecx
   7:	ff                   	(bad)
   8:	ff 48 83             	decl   -0x7d(%rax)
   b:	c4                   	(bad)
   c:	38 85 c0 75 18 48    	cmp    %al,0x481875c0(%rbp)
  12:	83 c4 08             	add    $0x8,%esp
  15:	4c 89 f8             	mov    %r15,%rax
  18:	5b                   	pop    %rbx
  19:	5d                   	pop    %rbp
  1a:	41 5c                	pop    %r12
  1c:	41 5d                	pop    %r13
  1e:	41 5e                	pop    %r14
  20:	41 5f                	pop    %r15
  22:	c3                   	ret
  23:	44 8b 48 08          	mov    0x8(%rax),%r9d
  27:	eb b4                	jmp    0xffffffffffffffdd
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	4c 89 fe             	mov    %r15,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 56 a6 fb ff       	call   0xfffffffffffba692
  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 56 a6 fb ff       	call   0xfffffffffffba668
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[  259.074235] RSP: 0018:ff3fb3744022fc78 EFLAGS: 00010286
[  259.074262] RAX: 00000000ffffffa6 RBX: 00000000ffffffff RCX: 0000000000000000
[  259.074302] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff24a84c4317a800
[  259.074341] RBP: 0000000000000000 R08: ff24a84c42f7edd0 R09: ff24a84c44a1f02c
[  259.074383] R10: ff24a84c42e5c118 R11: fefefefefefefeff R12: 0000000000000000
[  259.074424] R13: 0000000000000011 R14: ff24a84c42e5c000 R15: ff24a84c4317a800
[  259.074465] FS:  0000000000000000(0000) GS:ff24a84cfbada000(0000) knlGS:0000000000000000
[  259.074507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  259.074539] CR2: 000055d74381e8f8 CR3: 0000000003380005 CR4: 0000000000771ef0
[  259.074576] PKRU: 55555554
[  259.074591] Call Trace:
[  259.074603]  <TASK>
[  259.074615]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  259.074644]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  259.074671]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  259.074692]  cleanup_net (net/core/net_namespace.c:702)
[  259.074713]  process_one_work (kernel/workqueue.c:3314)
[  259.074734]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  259.074755]  ? rescuer_thread (kernel/workqueue.c:3672)
[  259.074777]  kthread (kernel/kthread.c:436)
[  259.074799]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))
[  259.074821]  ret_from_fork (arch/x86/kernel/process.c:158)
[  259.074841]  ? kthread_park (kernel/kthread.c:725 (discriminator 4))


Finger prints:
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_create:__nsim_dev_port_add
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch