======================================
| xx__-> [    8.838802][  T168] ------------[ cut here ]------------
| [    8.839046][  T168] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ethtool-pause.s/168
| [    8.839398][  T168] Modules linked in: netdevsim
| [    8.839982][  T168] Tainted: [W]=WARN
[    8.840153][  T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.840371][  T168] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.840586][  T168] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.841178][  T168] RSP: 0018:ffa00000007f74f8 EFLAGS: 00010286
[    8.841390][  T168] RAX: 00000000ffffffa6 RBX: ff11000009c207c0 RCX: 1ff40000000fee65
[    8.841809][  T168] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009c20870
[    8.842057][  T168] RBP: ff11000008f22000 R08: 1fe220000138410f R09: ff11000008b22f48
[    8.842360][  T168] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.842734][  T168] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f22000
[    8.842985][  T168] FS:  00007fb0749a2b80(0000) GS:ff11000084005000(0000) knlGS:0000000000000000
[    8.843281][  T168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.843489][  T168] CR2: 000055e87d624238 CR3: 000000000d22f004 CR4: 0000000000771ef0
[    8.843739][  T168] PKRU: 55555554
[    8.843864][  T168] Call Trace:
[    8.843987][  T168]  <TASK>
[    8.844078][  T168]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.844246][  T168]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.844371][  T168]  register_netdevice (net/core/dev.c:11488)
[    8.844539][  T168]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.844745][  T168]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.844915][  T168] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.845131][  T168] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.845297][  T168] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.845505][  T168]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.845672][  T168]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.845881][  T168]  ? is_module_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) kernel/module/main.c:3876 (discriminator 2))
[    8.846047][  T168]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.846177][  T168]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.846345][  T168]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.846556][  T168] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.846780][  T168]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.846966][  T168]  call_driver_probe (drivers/base/dd.c:629)
[    8.847144][  T168]  really_probe (drivers/base/dd.c:709)
[    8.847307][  T168]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.847468][  T168]  __driver_probe_device (drivers/base/dd.c:871)
[    8.847635][  T168]  driver_probe_device (drivers/base/dd.c:901)
[    8.847806][  T168]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.847970][  T168]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.848142][  T168]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.848315][  T168]  __device_attach (drivers/base/dd.c:1101)
[    8.848478][  T168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.848641][  T168]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.848848][  T168]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.849011][  T168]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.849182][  T168]  device_initial_probe (drivers/base/dd.c:1156)
[    8.849345][  T168]  bus_probe_device (drivers/base/bus.c:613)
[    8.849510][  T168]  device_add (drivers/base/core.c:3706)
[    8.849674][  T168]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.849882][  T168]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.850047][  T168]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.850218][  T168] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.850422][  T168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.850585][  T168]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.850792][  T168]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    8.850956][  T168]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.851123][  T168]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.851288][  T168]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.851451][  T168]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.851575][  T168]  new_sync_write (fs/read_write.c:595)
[    8.851745][  T168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.851909][  T168]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.852079][  T168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.852243][  T168]  ? ksys_write (fs/read_write.c:740)
[    8.852411][  T168]  vfs_write (fs/read_write.c:688)
[    8.852538][  T168]  ksys_write (fs/read_write.c:740)
[    8.852664][  T168]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.852835][  T168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.853000][  T168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.853169][  T168]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.853332][  T168]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.853497][  T168]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.853663][  T168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.853872][  T168] RIP: 0033:0x7fb074a1408e
[    8.854042][  T168] 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
[    8.854624][  T168] RSP: 002b:00007fff221f3220 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.854878][  T168] RAX: ffffffffffffffda RBX: 00007fb074b96580 RCX: 00007fb074a1408e
[    8.855320][  T168] RDX: 0000000000000004 RSI: 000055e87d623230 RDI: 0000000000000001
[    8.855563][  T168] RBP: 00007fff221f3230 R08: 0000000000000000 R09: 0000000000000000
[    8.855812][  T168] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[    8.856181][  T168] R13: 0000000000000004 R14: 000055e87d623230 R15: 0000000000000000
| [    9.243809][  T165] ------------[ cut here ]------------
| [    9.244045][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ethtool-pause.s/165
| [    9.244513][  T165] Modules linked in: netdevsim
| [    9.245122][  T165] Tainted: [W]=WARN
[    9.245238][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.245458][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.245661][  T165] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 a8 cc f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 a8 cc f0 ff       	call   0xfffffffffff0cce4
  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:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 a8 cc f0 ff       	call   0xfffffffffff0ccba
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.246217][  T165] RSP: 0018:ffa00000007c7728 EFLAGS: 00010286
[    9.246412][  T165] RAX: 00000000ffffffa6 RBX: ff1100000b3b9540 RCX: 1ff40000000f8eab
[    9.246638][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3b95f0
[    9.246870][  T165] RBP: ff11000008f22000 R08: 1fe22000016772bf R09: ff1100000caa0c48
[    9.247107][  T165] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.247332][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.247564][  T165] FS:  00007fb0749a2b80(0000) GS:ff11000084005000(0000) knlGS:0000000000000000
[    9.247837][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.248031][  T165] CR2: 000055e87d6130fc CR3: 000000000d3b4006 CR4: 0000000000771ef0
[    9.248265][  T165] PKRU: 55555554
[    9.248380][  T165] Call Trace:
[    9.248494][  T165]  <TASK>
[    9.248572][  T165]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.248778][  T165]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.248967][  T165]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.249123][  T165]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.249275][  T165]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.249428][  T165]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[    9.249586][  T165]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.249744][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.249896][  T165]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.250050][  T165] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.250214][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.250367][  T165] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.250558][  T165] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.250754][  T165] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.250907][  T165]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.251106][  T165]  bus_remove_device (drivers/base/bus.c:657)
[    9.251263][  T165]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.251415][  T165]  ? device_remove_file (drivers/base/core.c:3073)
[    9.251569][  T165]  device_del (drivers/base/core.c:3895)
[    9.251685][  T165]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.251844][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.251996][  T165]  device_unregister (drivers/base/core.c:3936)
[    9.252154][  T165] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.252345][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/linux/rcupdate.h:1181 (discriminator 2) fs/sysfs/file.c:24 (discriminator 2))
[    9.252497][  T165]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.252688][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.252844][  T165]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.252995][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.253152][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.253268][  T165]  new_sync_write (fs/read_write.c:595)
[    9.253421][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.253573][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.253726][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.253878][  T165]  ? ksys_write (fs/read_write.c:740)
[    9.254033][  T165]  vfs_write (fs/read_write.c:688)
[    9.254155][  T165]  ksys_write (fs/read_write.c:740)
[    9.254271][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.254423][  T165]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.254573][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.254727][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.254879][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.255031][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.255226][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.255429][  T165] RIP: 0033:0x7fb074a1408e
[    9.255589][  T165] 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
[    9.256132][  T165] RSP: 002b:00007fff221f3580 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.256361][  T165] RAX: ffffffffffffffda RBX: 00007fb074b96580 RCX: 00007fb074a1408e
[    9.256590][  T165] RDX: 0000000000000004 RSI: 000055e87d621cf0 RDI: 0000000000000001
[    9.256820][  T165] RBP: 00007fff221f3590 R08: 0000000000000000 R09: 0000000000000000
[    9.257045][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del