======================================
| xx__-> [    8.543731][  T128] ------------[ cut here ]------------
| [    8.543977][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: devlink.sh/128
| [    8.544522][  T128] Modules linked in: netdevsim
| [    8.545145][  T128] Tainted: [W]=WARN
[    8.545462][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.545674][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.545893][  T128] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.546551][  T128] RSP: 0018:ffa0000000657500 EFLAGS: 00010286
[    8.546893][  T128] RAX: 00000000ffffffa6 RBX: ff110000029476c0 RCX: 1ff40000000cae66
[    8.547161][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002947770
[    8.547419][  T128] RBP: ff1100000feb2000 R08: 1fe2200000528eef R09: ff110000101faf48
[    8.547820][  T128] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.548089][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000feb2000
[    8.548478][  T128] FS:  00007fbfef0b2740(0000) GS:ff1100009f53b000(0000) knlGS:0000000000000000
[    8.548783][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.549005][  T128] CR2: 000055ad6380a328 CR3: 00000000026f3006 CR4: 0000000000771ef0
[    8.549270][  T128] PKRU: 55555554
[    8.549407][  T128] Call Trace:
[    8.549535][  T128]  <TASK>
[    8.549626][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.549802][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.549934][  T128]  register_netdevice (net/core/dev.c:11488)
[    8.550247][  T128]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.550583][  T128]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.550762][  T128] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.550993][  T128] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.551172][  T128] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.551520][  T128]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.551694][  T128]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.551910][  T128]  ? 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))
[    8.552217][  T128]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.552353][  T128]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.552534][  T128]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.552752][  T128] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.553053][  T128]  call_driver_probe (drivers/base/dd.c:629)
[    8.553457][  T128]  really_probe (drivers/base/dd.c:709)
[    8.553633][  T128]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.553803][  T128]  __driver_probe_device (drivers/base/dd.c:871)
[    8.553985][  T128]  driver_probe_device (drivers/base/dd.c:901)
[    8.554288][  T128]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.554466][  T128]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.554638][  T128]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.554814][  T128]  __device_attach (drivers/base/dd.c:1101)
[    8.555117][  T128]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.555290][  T128]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.555512][  T128]  ? 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)
[    8.555689][  T128]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.555862][  T128]  device_initial_probe (drivers/base/dd.c:1156)
[    8.556040][  T128]  bus_probe_device (drivers/base/bus.c:613)
[    8.556218][  T128]  device_add (drivers/base/core.c:3706)
[    8.556516][  T128]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.556724][  T128]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.556892][  T128]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.557202][  T128] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.557416][  T128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.557583][  T128]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.557791][  T128]  ? 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))
[    8.557969][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.558271][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.558447][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.558746][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.558876][  T128]  new_sync_write (fs/read_write.c:595)
[    8.559061][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.559240][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.559533][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.559704][  T128]  ? ksys_write (fs/read_write.c:740)
[    8.560006][  T128]  vfs_write (fs/read_write.c:688)
[    8.560148][  T128]  ksys_write (fs/read_write.c:740)
[    8.560283][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.560581][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.560753][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.560925][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.561153][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.561328][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.561619][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.561832][  T128] RIP: 0033:0x7fbfef12508e
[    8.562018][  T128] 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
[    8.562872][  T128] RSP: 002b:00007ffff3a91050 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.563137][  T128] RAX: ffffffffffffffda RBX: 00007fbfef2a7580 RCX: 00007fbfef12508e
[    8.563398][  T128] RDX: 0000000000000007 RSI: 000055ad63809320 RDI: 0000000000000001
[    8.563766][  T128] RBP: 00007ffff3a91060 R08: 0000000000000000 R09: 0000000000000000
[    8.564020][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.564278][  T128] R13: 0000000000000007 R14: 000055ad63809320 R15: 0000000000000000
| [    8.749984][  T140] ------------[ cut here ]------------
| [    8.750222][  T140] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/140
| [    8.750481][  T140] Modules linked in: netdevsim
| [    8.751016][  T140] Tainted: [W]=WARN
[    8.751131][  T140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.751342][  T140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.751554][  T140] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.752074][  T140] RSP: 0018:ffa0000000607038 EFLAGS: 00010286
[    8.752317][  T140] RAX: 00000000ffffffa6 RBX: ff11000011ecf0c0 RCX: 1ff40000000c0dcd
[    8.752518][  T140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011ecf170
[    8.752718][  T140] RBP: ff1100000feb2000 R08: 1fe22000023d9e2f R09: ff1100000f890b80
[    8.752918][  T140] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[    8.753186][  T140] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[    8.753389][  T140] FS:  00007fedea78b840(0000) GS:ff1100009f53b000(0000) knlGS:0000000000000000
[    8.753633][  T140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.753808][  T140] CR2: 000000001fce9988 CR3: 0000000015d5a001 CR4: 0000000000771ef0
[    8.754023][  T140] PKRU: 55555554
[    8.754188][  T140] Call Trace:
[    8.754293][  T140]  <TASK>
[    8.754369][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.754508][  T140]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    8.754646][  T140]  notifier_call_chain (kernel/notifier.c:85)
[    8.754788][  T140]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[    8.754930][  T140]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[    8.755188][  T140]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    8.755338][  T140]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.755481][  T140]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[    8.755654][  T140]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.755806][  T140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.755978][  T140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.756167][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.756302][  T140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.756440][  T140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.756577][  T140]  ? __kernel_text_address (kernel/extable.c:79)
[    8.756712][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.756849][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.756999][  T140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.757221][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.757358][  T140]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.757492][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.757623][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.757756][  T140]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.757892][  T140]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    8.758031][  T140]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.758244][  T140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.758383][  T140]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.758515][  T140]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.758651][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.758787][  T140]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.758922][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.759063][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.759283][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.759419][  T140]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.759551][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.759687][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.759819][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.759952][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.760091][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.760301][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.760441][  T140]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.760575][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.760707][  T140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.760838][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.760976][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.761174][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.761315][  T140]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.761448][  T140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.761583][  T140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.761721][  T140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.761852][  T140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.761992][  T140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.762175][  T140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.762313][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.762448][  T140]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.762583][  T140]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.762717][  T140]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.762851][  T140]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.762993][  T140]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.763161][  T140]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.763331][  T140]  ? move_addr_to_kernel (net/socket.c:258)
[    8.763465][  T140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.763599][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.763766][  T140]  ___sys_sendmsg (net/socket.c:2752)
[    8.763907][  T140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.764086][  T140]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.764242][  T140]  __sys_sendmsg (net/socket.c:2784)
[    8.764385][  T140]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.764522][  T140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.764697][  T140]  ? 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)
[    8.764834][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.764979][  T140]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.765124][  T140]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.765262][  T140]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.765404][  T140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.765574][  T140] RIP: 0033:0x7fedea9c508e
[    8.765719][  T140] 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
[    8.766220][  T140] RSP: 002b:00007ffd81e375f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.766432][  T140] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fedea9c508e
[    8.766638][  T140] RDX: 0000000000000000 RSI: 00007ffd81e376a0 RDI: 0000000000000003
[    8.766843][  T140] RBP: 00007ffd81e37600 R08: 0000000000000000 R09: 0000000000000000
[    8.767056][  T140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c847
[    8.767266][  T140] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd81e37d60
| [    8.790273][  T141] ------------[ cut here ]------------
| [    8.790478][  T141] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/141
| [    8.790770][  T141] Modules linked in: netdevsim
| [    8.791416][  T141] Tainted: [W]=WARN
[    8.791649][  T141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.791952][  T141] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.792279][  T141] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    8.792902][  T141] RSP: 0018:ffa00000004b7020 EFLAGS: 00010286
[    8.793202][  T141] RAX: 00000000ffffffa6 RBX: ff11000011f7c040 RCX: 1ff4000000096dca
[    8.793521][  T141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000011f7c0f0
[    8.793824][  T141] RBP: ff1100000feb2000 R08: 1fe22000023ef81f R09: ff11000001f05180
[    8.794160][  T141] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.794509][  T141] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    8.794819][  T141] FS:  00007f4220dd0840(0000) GS:ff1100009f4bb000(0000) knlGS:0000000000000000
[    8.795118][  T141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.795343][  T141] CR2: 00007f42210a01a0 CR3: 0000000012529002 CR4: 0000000000771ef0
[    8.795597][  T141] PKRU: 55555554
[    8.795746][  T141] Call Trace:
[    8.795895][  T141]  <TASK>
[    8.796021][  T141]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.796224][  T141]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.796391][  T141]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.796578][  T141]  __dev_notify_flags (net/core/dev.c:9787)
[    8.796768][  T141]  ? netif_change_name (net/core/dev.c:1495)
[    8.796953][  T141]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.797163][  T141]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    8.797352][  T141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.797538][  T141]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    8.797723][  T141]  netif_change_flags (net/core/dev.c:9820)
[    8.797908][  T141]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.798102][  T141]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.798303][  T141]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.798530][  T141]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.798714][  T141]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.798895][  T141]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.799084][  T141]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.799279][  T141]  ? __kernel_text_address (kernel/extable.c:79)
[    8.799473][  T141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.799663][  T141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.799847][  T141]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.800041][  T141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.800237][  T141]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.800433][  T141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.800616][  T141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.800799][  T141]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.800990][  T141]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    8.801189][  T141]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.801385][  T141]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.801569][  T141]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.801754][  T141]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.801940][  T141]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.802148][  T141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.802333][  T141]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.802520][  T141]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.802703][  T141]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.802885][  T141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.803072][  T141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.803262][  T141]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.803457][  T141]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.803639][  T141]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.803821][  T141]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.804017][  T141]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.804217][  T141]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.804415][  T141]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.804598][  T141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.804787][  T141]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.804979][  T141]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.805181][  T141]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.805379][  T141]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.805570][  T141]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.805761][  T141]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.805945][  T141]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.806156][  T141]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.806354][  T141]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.806542][  T141]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.806729][  T141]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.806919][  T141]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.807127][  T141]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.807322][  T141]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.807515][  T141]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.807700][  T141]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.807917][  T141]  ? move_addr_to_kernel (net/socket.c:258)
[    8.808124][  T141]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.808316][  T141]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.808511][  T141]  ___sys_sendmsg (net/socket.c:2752)
[    8.808696][  T141]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.808917][  T141]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.809142][  T141]  __sys_sendmsg (net/socket.c:2784)
[    8.809333][  T141]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.809519][  T141]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.809742][  T141]  ? 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)
[    8.809928][  T141]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.810137][  T141]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.810325][  T141]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.810513][  T141]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.810699][  T141]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.810915][  T141] RIP: 0033:0x7f422100a08e
[    8.811127][  T141] 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
[    8.811670][  T141] RSP: 002b:00007ffe55f13cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.811926][  T141] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f422100a08e
[    8.812200][  T141] RDX: 0000000000000000 RSI: 00007ffe55f13d80 RDI: 0000000000000003
[    8.812464][  T141] RBP: 00007ffe55f13ce0 R08: 0000000000000000 R09: 0000000000000000
[    8.812715][  T141] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c847
[    8.812972][  T141] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe55f14440
| [    9.002069][  T128] ------------[ cut here ]------------
| [    9.002418][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: devlink.sh/128
| [    9.002813][  T128] Modules linked in: netdevsim
| [    9.003669][  T128] Tainted: [W]=WARN
[    9.003982][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.004346][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.004605][  T128] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.005254][  T128] RSP: 0018:ffa00000006575a8 EFLAGS: 00010286
[    9.005528][  T128] RAX: 00000000ffffffa6 RBX: ff110000116ab840 RCX: 1ff40000000cae7b
[    9.005826][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000116ab8f0
[    9.006198][  T128] RBP: ff1100000feb2000 R08: 1fe22000022d571f R09: ff110000101faf70
[    9.006510][  T128] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[    9.006806][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000657698
[    9.007128][  T128] FS:  00007fbfef0b2740(0000) GS:ff1100009f4bb000(0000) knlGS:0000000000000000
[    9.007483][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.007740][  T128] CR2: 000055ad3a0288e0 CR3: 00000000026f3005 CR4: 0000000000771ef0
[    9.008061][  T128] PKRU: 55555554
[    9.008248][  T128] Call Trace:
[    9.008433][  T128]  <TASK>
[    9.008565][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.008788][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.008973][  T128]  netif_close_many (net/core/dev.c:1804)
[    9.009205][  T128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.009435][  T128]  ? __dev_close_many (net/core/dev.c:1781)
[    9.009650][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.009868][  T128]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.010093][  T128]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    9.010368][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    9.010626][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.010840][  T128]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.011063][  T128]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.011286][  T128]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.011510][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.011763][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.011986][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.012214][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.012442][  T128]  ? 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)
[    9.012660][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.012876][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.013091][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.013330][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.013554][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.013770][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.014035][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.014310][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.014536][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.014795][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    9.015021][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.015245][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    9.015478][  T128]  device_del (drivers/base/core.c:3895)
[    9.015673][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.015893][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.016129][  T128]  device_unregister (drivers/base/core.c:3936)
[    9.016343][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.016598][  T128]  ? 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))
[    9.016807][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.017092][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.017324][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.017560][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.017779][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.017969][  T128]  new_sync_write (fs/read_write.c:595)
[    9.018196][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.018416][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.018640][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.018849][  T128]  ? ksys_write (fs/read_write.c:740)
[    9.019072][  T128]  vfs_write (fs/read_write.c:688)
[    9.019260][  T128]  ksys_write (fs/read_write.c:740)
[    9.019460][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.019671][  T128]  ? 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)
[    9.019879][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.020098][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.020387][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.020598][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.020810][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.021067][  T128] RIP: 0033:0x7fbfef12508e
[    9.021298][  T128] 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
[    9.021923][  T128] RSP: 002b:00007ffff3a915b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.022238][  T128] RAX: ffffffffffffffda RBX: 00007fbfef2a7580 RCX: 00007fbfef12508e
[    9.022539][  T128] RDX: 0000000000000005 RSI: 000055ad63809320 RDI: 0000000000000001
[    9.022828][  T128] RBP: 00007ffff3a915c0 R08: 0000000000000000 R09: 0000000000000000
[    9.023159][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    9.023471][  T128] R13: 0000000000000005 R14: 000055ad63809320 R15: 0000000000000000
| [    9.031361][  T128] ------------[ cut here ]------------
| [    9.031577][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: devlink.sh/128
| [    9.031922][  T128] Modules linked in: netdevsim
| [    9.032533][  T128] Tainted: [W]=WARN
[    9.032656][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.032849][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.033055][  T128] 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 c8 c5 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 c8 c5 f0 ff       	call   0xfffffffffff0c604
  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 c8 c5 f0 ff       	call   0xfffffffffff0c5da
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.033613][  T128] RSP: 0018:ffa0000000657728 EFLAGS: 00010286
[    9.033807][  T128] RAX: 00000000ffffffa6 RBX: ff11000013df76c0 RCX: 1ff40000000caeab
[    9.034041][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000013df7770
[    9.034279][  T128] RBP: ff1100000feb2000 R08: 1fe22000027beeef R09: ff110000101faf48
[    9.034509][  T128] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.034742][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.034975][  T128] FS:  00007fbfef0b2740(0000) GS:ff1100009f43b000(0000) knlGS:0000000000000000
[    9.035248][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.035445][  T128] CR2: 000055c8ac779018 CR3: 00000000026f3002 CR4: 0000000000771ef0
[    9.035676][  T128] PKRU: 55555554
[    9.035791][  T128] Call Trace:
[    9.035933][  T128]  <TASK>
[    9.036050][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.036249][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.036443][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.036595][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.036748][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.036900][  T128]  ? 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)
[    9.037065][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.037231][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.037394][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.037553][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.037709][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.037862][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.038060][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.038260][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.038420][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.038613][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    9.038766][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.038918][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    9.039079][  T128]  device_del (drivers/base/core.c:3895)
[    9.039218][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.039379][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.039531][  T128]  device_unregister (drivers/base/core.c:3936)
[    9.039683][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.039875][  T128]  ? 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))
[    9.040035][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.040229][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.040386][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.040541][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.040692][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.040807][  T128]  new_sync_write (fs/read_write.c:595)
[    9.040966][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.041123][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.041279][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.041433][  T128]  ? ksys_write (fs/read_write.c:740)
[    9.041589][  T128]  vfs_write (fs/read_write.c:688)
[    9.041708][  T128]  ksys_write (fs/read_write.c:740)
[    9.041823][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.041981][  T128]  ? 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)
[    9.042139][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.042312][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.042467][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.042618][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.042771][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.042968][  T128] RIP: 0033:0x7fbfef12508e
[    9.043134][  T128] 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
[    9.043677][  T128] RSP: 002b:00007ffff3a915b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.043910][  T128] RAX: ffffffffffffffda RBX: 00007fbfef2a7580 RCX: 00007fbfef12508e
[    9.044151][  T128] RDX: 0000000000000005 RSI: 000055ad63809320 RDI: 0000000000000001
[    9.044382][  T128] RBP: 00007ffff3a915c0 R08: 0000000000000000 R09: 0000000000000000
[    9.044609][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005


Finger prints:
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:unregister_netdevice_queue:nsim_destroy:__nsim_dev_port_del
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:netif_close_many_and_unlock:unregister_netdevice_many_notify
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:nsim_init_netdevsim:nsim_create