======================================
| xx__-> [    8.634505][  T165] ------------[ cut here ]------------
| [    8.634753][  T165] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ethtool-fec.sh/165
| [    8.635106][  T165] Modules linked in: netdevsim
| [    8.635913][  T165] Tainted: [W]=WARN
[    8.636048][  T165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.636283][  T165] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.636622][  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
[    8.637234][  T165] RSP: 0018:ffa00000008274f8 EFLAGS: 00010286
[    8.637564][  T165] RAX: 00000000ffffffa6 RBX: ff1100000c6ac040 RCX: 1ff4000000104e65
[    8.637820][  T165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6ac0f0
[    8.638069][  T165] RBP: ff110000093ca000 R08: 1fe22000018d581f R09: ff1100000c435248
[    8.638317][  T165] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    8.638821][  T165] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000093ca000
[    8.639067][  T165] FS:  00007ffbfbc42b80(0000) GS:ff11000088c05000(0000) knlGS:0000000000000000
[    8.639476][  T165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.639697][  T165] CR2: 0000557125ab81b8 CR3: 000000000c73c003 CR4: 0000000000771ef0
[    8.640071][  T165] PKRU: 55555554
[    8.640196][  T165] Call Trace:
[    8.640321][  T165]  <TASK>
[    8.640411][  T165]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.640579][  T165]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.640708][  T165]  register_netdevice (net/core/dev.c:11488)
[    8.640881][  T165]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.641431][  T165]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.641607][  T165] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.642012][  T165] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.642185][  T165] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.642391][  T165]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.642557][  T165]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.643066][  T165]  ? 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))
[    8.643233][  T165]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.643359][  T165]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.643528][  T165]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.643745][  T165] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.643988][  T165]  ? driver_sysfs_add (drivers/base/dd.c:495)
[    8.644162][  T165]  call_driver_probe (drivers/base/dd.c:629)
[    8.644327][  T165]  really_probe (drivers/base/dd.c:709)
[    8.644493][  T165]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.644662][  T165]  __driver_probe_device (drivers/base/dd.c:871)
[    8.644896][  T165]  driver_probe_device (drivers/base/dd.c:901)
[    8.645059][  T165]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.645224][  T165]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.645392][  T165]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.645560][  T165]  __device_attach (drivers/base/dd.c:1101)
[    8.645729][  T165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.645961][  T165]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.646317][  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)
[    8.646499][  T165]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.646673][  T165]  device_initial_probe (drivers/base/dd.c:1156)
[    8.646914][  T165]  bus_probe_device (drivers/base/bus.c:613)
[    8.647108][  T165]  device_add (drivers/base/core.c:3706)
[    8.647276][  T165]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.647478][  T165]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.647639][  T165]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.647936][  T165] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.648137][  T165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.648298][  T165]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.648523][  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))
[    8.648703][  T165]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.648870][  T165]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.649030][  T165]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.649189][  T165]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.649309][  T165]  new_sync_write (fs/read_write.c:595)
[    8.649471][  T165]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.649631][  T165]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.649804][  T165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.649964][  T165]  ? ksys_write (fs/read_write.c:740)
[    8.650129][  T165]  vfs_write (fs/read_write.c:688)
[    8.650251][  T165]  ksys_write (fs/read_write.c:740)
[    8.650371][  T165]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.650530][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.650696][  T165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.650863][  T165]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.651022][  T165]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.651298][  T165]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.651458][  T165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.651661][  T165] RIP: 0033:0x7ffbfbcb408e
[    8.651957][  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
[    8.652524][  T165] RSP: 002b:00007ffeba504300 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.652908][  T165] RAX: ffffffffffffffda RBX: 00007ffbfbe36580 RCX: 00007ffbfbcb408e
[    8.653151][  T165] RDX: 0000000000000005 RSI: 0000557125ab71b0 RDI: 0000000000000001
[    8.653512][  T165] RBP: 00007ffeba504310 R08: 0000000000000000 R09: 0000000000000000
[    8.653771][  T165] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    8.654015][  T165] R13: 0000000000000005 R14: 0000557125ab71b0 R15: 0000000000000000
| [    9.545459][  T164] ------------[ cut here ]------------
| [    9.545802][  T164] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ethtool-fec.sh/164
| [    9.546153][  T164] Modules linked in: netdevsim
| [    9.546845][  T164] Tainted: [W]=WARN
[    9.547002][  T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.547293][  T164] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.547538][  T164] 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
[    9.548129][  T164] RSP: 0018:ffa0000000817728 EFLAGS: 00010286
[    9.548366][  T164] RAX: 00000000ffffffa6 RBX: ff1100000bd9e640 RCX: 1ff4000000102eab
[    9.548635][  T164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000bd9e6f0
[    9.548920][  T164] RBP: ff110000093ca000 R08: 1fe22000017b3cdf R09: ff11000008deaf48
[    9.549189][  T164] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.549458][  T164] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.549733][  T164] FS:  00007ffbfbc42b80(0000) GS:ff11000088c85000(0000) knlGS:0000000000000000
[    9.550057][  T164] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.550294][  T164] CR2: 00007fc6fe519ab0 CR3: 0000000009eea004 CR4: 0000000000771ef0
[    9.550563][  T164] PKRU: 55555554
[    9.550728][  T164] Call Trace:
[    9.550900][  T164]  <TASK>
[    9.551025][  T164]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.551265][  T164]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.551497][  T164]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.551698][  T164]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.551907][  T164]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.552105][  T164]  ? 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)
[    9.552309][  T164]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.552505][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.552716][  T164]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.552929][  T164] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.553130][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.553331][  T164] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.553568][  T164] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.553816][  T164] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.554016][  T164]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.554252][  T164]  bus_remove_device (drivers/base/bus.c:657)
[    9.554453][  T164]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.554656][  T164]  ? device_remove_file (drivers/base/core.c:3073)
[    9.554870][  T164]  device_del (drivers/base/core.c:3895)
[    9.555032][  T164]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.555233][  T164]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.555432][  T164]  device_unregister (drivers/base/core.c:3936)
[    9.555627][  T164] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.555884][  T164]  ? 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))
[    9.556081][  T164]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.556317][  T164]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.556511][  T164]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.556717][  T164]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.556924][  T164]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.557085][  T164]  new_sync_write (fs/read_write.c:595)
[    9.557282][  T164]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.557478][  T164]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.557681][  T164]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.557888][  T164]  ? ksys_write (fs/read_write.c:740)
[    9.558088][  T164]  vfs_write (fs/read_write.c:688)
[    9.558249][  T164]  ksys_write (fs/read_write.c:740)
[    9.558411][  T164]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.558606][  T164]  ? 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)
[    9.558822][  T164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.559018][  T164]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.559213][  T164]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.559411][  T164]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.559612][  T164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.559864][  T164] RIP: 0033:0x7ffbfbcb408e
[    9.560066][  T164] 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
[    9.560641][  T164] RSP: 002b:00007ffeba504660 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.560935][  T164] RAX: ffffffffffffffda RBX: 00007ffbfbe36580 RCX: 00007ffbfbcb408e
[    9.561206][  T164] RDX: 0000000000000005 RSI: 0000557125abea20 RDI: 0000000000000001
[    9.561476][  T164] RBP: 00007ffeba504670 R08: 0000000000000000 R09: 0000000000000000
[    9.561754][  T164] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005


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