======================================
| xx__-> [    8.459694][  T128] ------------[ cut here ]------------
| [    8.459983][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ethtool.sh/128
| [    8.460391][  T128] Modules linked in: netdevsim
| [    8.461140][  T128] Tainted: [W]=WARN
[    8.461374][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.461653][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.461931][  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
[    8.462817][  T128] RSP: 0018:ffa00000006d7500 EFLAGS: 00010286
[    8.463075][  T128] RAX: 00000000ffffffa6 RBX: ff1100000b3153c0 RCX: 1ff40000000dae66
[    8.463505][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b315470
[    8.463818][  T128] RBP: ff1100000948a000 R08: 1fe2200001662a8f R09: ff1100000c512f48
[    8.464167][  T128] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.464494][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000948a000
[    8.464815][  T128] FS:  00007fc0230c9740(0000) GS:ff110000812bb000(0000) knlGS:0000000000000000
[    8.465154][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.465419][  T128] CR2: 0000559f264d8328 CR3: 000000000d50c005 CR4: 0000000000771ef0
[    8.465728][  T128] PKRU: 55555554
[    8.465907][  T128] Call Trace:
[    8.466082][  T128]  <TASK>
[    8.466219][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.466449][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.466632][  T128]  register_netdevice (net/core/dev.c:11488)
[    8.466861][  T128]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.467113][  T128]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.467342][  T128] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.467604][  T128] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.467851][  T128] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.468108][  T128]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.468335][  T128]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.468592][  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))
[    8.468826][  T128]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.469001][  T128]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.469221][  T128]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.469496][  T128] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.469733][  T128]  call_driver_probe (drivers/base/dd.c:629)
[    8.470074][  T128]  really_probe (drivers/base/dd.c:709)
[    8.470304][  T128]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.470519][  T128]  __driver_probe_device (drivers/base/dd.c:871)
[    8.470750][  T128]  driver_probe_device (drivers/base/dd.c:901)
[    8.470966][  T128]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.471183][  T128]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.471425][  T128]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.471649][  T128]  __device_attach (drivers/base/dd.c:1101)
[    8.471876][  T128]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.472091][  T128]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.472361][  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)
[    8.472576][  T128]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.472932][  T128]  device_initial_probe (drivers/base/dd.c:1156)
[    8.473153][  T128]  bus_probe_device (drivers/base/bus.c:613)
[    8.473501][  T128]  device_add (drivers/base/core.c:3706)
[    8.473733][  T128]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.473993][  T128]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.474209][  T128]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.474443][  T128] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.474707][  T128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.475066][  T128]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.475456][  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))
[    8.475684][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.475912][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.476126][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.476477][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.476662][  T128]  new_sync_write (fs/read_write.c:595)
[    8.476898][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.477236][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.477467][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.477692][  T128]  ? ksys_write (fs/read_write.c:740)
[    8.477922][  T128]  vfs_write (fs/read_write.c:688)
[    8.478100][  T128]  ksys_write (fs/read_write.c:740)
[    8.478276][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.478562][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.478811][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.479028][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.479245][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.479474][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.479700][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.479968][  T128] RIP: 0033:0x7fc02313c08e
[    8.480192][  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
[    8.480989][  T128] RSP: 002b:00007ffe1dced550 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.481306][  T128] RAX: ffffffffffffffda RBX: 00007fc0232be580 RCX: 00007fc02313c08e
[    8.481602][  T128] RDX: 0000000000000007 RSI: 0000559f264d7320 RDI: 0000000000000001
[    8.482043][  T128] RBP: 00007ffe1dced560 R08: 0000000000000000 R09: 0000000000000000
[    8.482466][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.482782][  T128] R13: 0000000000000007 R14: 0000559f264d7320 R15: 0000000000000000
| [    8.691428][  T138] ------------[ cut here ]------------
| [    8.691572][  T138] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/138
| [    8.691826][  T138] Modules linked in: netdevsim
| [    8.692271][  T138] Tainted: [W]=WARN
[    8.692423][  T138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.692596][  T138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.692785][  T138] 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
[    8.693260][  T138] RSP: 0018:ffa0000000627038 EFLAGS: 00010286
[    8.693437][  T138] RAX: 00000000ffffffa6 RBX: ff110000095ba640 RCX: 1ff40000000c4dcd
[    8.693643][  T138] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000095ba6f0
[    8.693849][  T138] RBP: ff1100000948a000 R08: 1fe22000012b74df R09: ff1100000ceeae80
[    8.694048][  T138] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[    8.694247][  T138] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[    8.694456][  T138] FS:  00007f06d6944840(0000) GS:ff1100008133b000(0000) knlGS:0000000000000000
[    8.694697][  T138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.694871][  T138] CR2: 00000000029cd988 CR3: 000000000c023004 CR4: 0000000000771ef0
[    8.695073][  T138] PKRU: 55555554
[    8.695174][  T138] Call Trace:
[    8.695273][  T138]  <TASK>
[    8.695350][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.695485][  T138]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    8.695626][  T138]  notifier_call_chain (kernel/notifier.c:85)
[    8.695767][  T138]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[    8.695903][  T138]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[    8.696068][  T138]  ? 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))
[    8.696204][  T138]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.696347][  T138]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[    8.696485][  T138]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.696625][  T138]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.696795][  T138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.696930][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.697065][  T138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.697199][  T138]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.697402][  T138]  ? __kernel_text_address (kernel/extable.c:79)
[    8.697536][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.697696][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.697834][  T138]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.697968][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.698103][  T138]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.698235][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.698436][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.698602][  T138]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.698750][  T138]  ? __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)
[    8.698886][  T138]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.699023][  T138]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.699158][  T138]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.699297][  T138]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.699443][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.699579][  T138]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.699725][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.699856][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.699989][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.700122][  T138]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.700256][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.700398][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.700531][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.700669][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.700807][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.700942][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.701075][  T138]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.701208][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.701346][  T138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.701482][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.701622][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.701761][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.701896][  T138]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.702030][  T138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.702164][  T138]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.702308][  T138]  ? 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))
[    8.702441][  T138]  ? 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))
[    8.702577][  T138]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.702720][  T138]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.702855][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.702991][  T138]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.703125][  T138]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.703261][  T138]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.703403][  T138]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.703539][  T138]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.703680][  T138]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.703852][  T138]  ? move_addr_to_kernel (net/socket.c:258)
[    8.703986][  T138]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.704119][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.704254][  T138]  ___sys_sendmsg (net/socket.c:2752)
[    8.704393][  T138]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.704561][  T138]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.704721][  T138]  __sys_sendmsg (net/socket.c:2784)
[    8.704857][  T138]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.704989][  T138]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.705157][  T138]  ? 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)
[    8.705312][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.705447][  T138]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.705584][  T138]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.705729][  T138]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.705867][  T138]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.706034][  T138] RIP: 0033:0x7f06d6b7e08e
[    8.706176][  T138] 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
[    8.706670][  T138] RSP: 002b:00007ffcef44fec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.706879][  T138] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06d6b7e08e
[    8.707079][  T138] RDX: 0000000000000000 RSI: 00007ffcef44ff70 RDI: 0000000000000003
[    8.707279][  T138] RBP: 00007ffcef44fed0 R08: 0000000000000000 R09: 0000000000000000
[    8.707533][  T138] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c944
[    8.707744][  T138] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcef450630
| [    8.732288][  T139] ------------[ cut here ]------------
| [    8.732479][  T139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/139
| [    8.732784][  T139] Modules linked in: netdevsim
| [    8.733327][  T139] Tainted: [W]=WARN
[    8.733479][  T139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.733736][  T139] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.733968][  T139] 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
[    8.734619][  T139] RSP: 0018:ffa0000000647020 EFLAGS: 00010286
[    8.734928][  T139] RAX: 00000000ffffffa6 RBX: ff1100000eb5bb40 RCX: 1ff40000000c8dca
[    8.735268][  T139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000eb5bbf0
[    8.735625][  T139] RBP: ff1100000948a000 R08: 1fe2200001d6b77f R09: ff1100000c64ae80
[    8.735961][  T139] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    8.736260][  T139] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    8.736588][  T139] FS:  00007ffa03637840(0000) GS:ff110000812bb000(0000) knlGS:0000000000000000
[    8.736949][  T139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.737221][  T139] CR2: 0000000026397988 CR3: 0000000004bc9005 CR4: 0000000000771ef0
[    8.737515][  T139] PKRU: 55555554
[    8.737669][  T139] Call Trace:
[    8.737837][  T139]  <TASK>
[    8.737955][  T139]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.738144][  T139]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.738309][  T139]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.738493][  T139]  __dev_notify_flags (net/core/dev.c:9787)
[    8.738688][  T139]  ? netif_change_name (net/core/dev.c:1495)
[    8.738878][  T139]  ? __dev_change_flags (net/core/dev.c:9752)
[    8.739061][  T139]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    8.739243][  T139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.739442][  T139]  ? 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))
[    8.739649][  T139]  netif_change_flags (net/core/dev.c:9820)
[    8.739845][  T139]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    8.740032][  T139]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.740216][  T139]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.740446][  T139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.740638][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.740835][  T139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.741018][  T139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.741200][  T139]  ? __kernel_text_address (kernel/extable.c:79)
[    8.741400][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.741586][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.741786][  T139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.741969][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.742153][  T139]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.742349][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.742531][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.742731][  T139]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.742922][  T139]  ? __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)
[    8.743104][  T139]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.743301][  T139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.743485][  T139]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.743683][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.743879][  T139]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.744063][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.744243][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.744437][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.744627][  T139]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.744827][  T139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.745017][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.745197][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.745397][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.745579][  T139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.745772][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.745956][  T139]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.746139][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.746334][  T139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.746519][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.746710][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.746900][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.747084][  T139]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.747265][  T139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.747463][  T139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.747657][  T139]  ? 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))
[    8.747847][  T139]  ? 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))
[    8.748042][  T139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.748227][  T139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.748422][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.748605][  T139]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.748807][  T139]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.748990][  T139]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.749175][  T139]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.749376][  T139]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.749557][  T139]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.749788][  T139]  ? move_addr_to_kernel (net/socket.c:258)
[    8.749978][  T139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.750159][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.750355][  T139]  ___sys_sendmsg (net/socket.c:2752)
[    8.750535][  T139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.750774][  T139]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.750970][  T139]  __sys_sendmsg (net/socket.c:2784)
[    8.751152][  T139]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.751347][  T139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.751561][  T139]  ? 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)
[    8.751760][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.751943][  T139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.752126][  T139]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.752325][  T139]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.752509][  T139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.752729][  T139] RIP: 0033:0x7ffa0387108e
[    8.752922][  T139] 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
[    8.753453][  T139] RSP: 002b:00007ffc51bdb580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.753710][  T139] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffa0387108e
[    8.753970][  T139] RDX: 0000000000000000 RSI: 00007ffc51bdb630 RDI: 0000000000000003
[    8.754213][  T139] RBP: 00007ffc51bdb590 R08: 0000000000000000 R09: 0000000000000000
[    8.754473][  T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10c944
[    8.754727][  T139] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc51bdbcf0
| [    8.939682][  T128] ------------[ cut here ]------------
| [    8.939963][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ethtool.sh/128
| [    8.940352][  T128] Modules linked in: netdevsim
| [    8.941104][  T128] Tainted: [W]=WARN
[    8.941276][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.941632][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.941904][  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
[    8.942633][  T128] RSP: 0018:ffa00000006d75a8 EFLAGS: 00010286
[    8.942962][  T128] RAX: 00000000ffffffa6 RBX: ff1100000eb5a040 RCX: 1ff40000000dae7b
[    8.943332][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000eb5a0f0
[    8.943765][  T128] RBP: ff1100000948a000 R08: 1fe2200001d6b41f R09: ff1100000c512f70
[    8.944195][  T128] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[    8.944530][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000006d7698
[    8.944894][  T128] FS:  00007fc0230c9740(0000) GS:ff110000812bb000(0000) knlGS:0000000000000000
[    8.945227][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.945493][  T128] CR2: 0000559efae368e0 CR3: 000000000d50c003 CR4: 0000000000771ef0
[    8.945802][  T128] PKRU: 55555554
[    8.945973][  T128] Call Trace:
[    8.946142][  T128]  <TASK>
[    8.946275][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.946547][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.946735][  T128]  netif_close_many (net/core/dev.c:1804)
[    8.946950][  T128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.947159][  T128]  ? __dev_close_many (net/core/dev.c:1781)
[    8.947378][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.947589][  T128]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    8.947823][  T128]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    8.948070][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    8.948332][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.948541][  T128]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.948767][  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)
[    8.948978][  T128]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.949187][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.949447][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    8.949666][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    8.949889][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.950097][  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)
[    8.950322][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    8.950531][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.950751][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    8.950963][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    8.951177][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.951404][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    8.951664][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    8.951929][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    8.952140][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    8.952408][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    8.952637][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    8.952855][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    8.953066][  T128]  device_del (drivers/base/core.c:3895)
[    8.953237][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    8.953459][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.953679][  T128]  device_unregister (drivers/base/core.c:3936)
[    8.953900][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    8.954155][  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))
[    8.954377][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    8.954633][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.954855][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    8.955066][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.955275][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.955458][  T128]  new_sync_write (fs/read_write.c:595)
[    8.955679][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.955899][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.956106][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.956327][  T128]  ? ksys_write (fs/read_write.c:740)
[    8.956538][  T128]  vfs_write (fs/read_write.c:688)
[    8.956722][  T128]  ksys_write (fs/read_write.c:740)
[    8.956902][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.957107][  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)
[    8.957331][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.957540][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.957767][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.957978][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.958185][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.958444][  T128] RIP: 0033:0x7fc02313c08e
[    8.958668][  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
[    8.959304][  T128] RSP: 002b:00007ffe1dcedab0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.959594][  T128] RAX: ffffffffffffffda RBX: 00007fc0232be580 RCX: 00007fc02313c08e
[    8.959900][  T128] RDX: 0000000000000005 RSI: 0000559f264d7320 RDI: 0000000000000001
[    8.960187][  T128] RBP: 00007ffe1dcedac0 R08: 0000000000000000 R09: 0000000000000000
[    8.960487][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    8.960792][  T128] R13: 0000000000000005 R14: 0000559f264d7320 R15: 0000000000000000
| [    8.967662][  T128] ------------[ cut here ]------------
| [    8.967905][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ethtool.sh/128
| [    8.968208][  T128] Modules linked in: netdevsim
| [    8.968764][  T128] Tainted: [W]=WARN
[    8.968921][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.969113][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.969317][  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
[    8.969866][  T128] RSP: 0018:ffa00000006d7728 EFLAGS: 00010286
[    8.970057][  T128] RAX: 00000000ffffffa6 RBX: ff1100000d51a040 RCX: 1ff40000000daeab
[    8.970289][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d51a0f0
[    8.970527][  T128] RBP: ff1100000948a000 R08: 1fe2200001aa341f R09: ff1100000c512f48
[    8.970765][  T128] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.970992][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    8.971218][  T128] FS:  00007fc0230c9740(0000) GS:ff1100008133b000(0000) knlGS:0000000000000000
[    8.971486][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.971681][  T128] CR2: 00001000678c9000 CR3: 000000000d50c006 CR4: 0000000000771ef0
[    8.971939][  T128] PKRU: 55555554
[    8.972056][  T128] Call Trace:
[    8.972170][  T128]  <TASK>
[    8.972249][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    8.972529][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    8.972728][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    8.972882][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    8.973034][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.973185][  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)
[    8.973412][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    8.973564][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.973825][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    8.973979][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    8.974134][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.974396][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    8.974589][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    8.974789][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    8.974943][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    8.975136][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    8.975381][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    8.975532][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    8.975694][  T128]  device_del (drivers/base/core.c:3895)
[    8.975813][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    8.975967][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.976119][  T128]  device_unregister (drivers/base/core.c:3936)
[    8.976271][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    8.976554][  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))
[    8.976712][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    8.976907][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.977059][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    8.977213][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.977370][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.977485][  T128]  new_sync_write (fs/read_write.c:595)
[    8.977643][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.977800][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.977953][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.978105][  T128]  ? ksys_write (fs/read_write.c:740)
[    8.978262][  T128]  vfs_write (fs/read_write.c:688)
[    8.978384][  T128]  ksys_write (fs/read_write.c:740)
[    8.978499][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.978656][  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)
[    8.978810][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.978963][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.979114][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.979266][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.979424][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.979618][  T128] RIP: 0033:0x7fc02313c08e
[    8.979783][  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
[    8.980326][  T128] RSP: 002b:00007ffe1dcedab0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.980557][  T128] RAX: ffffffffffffffda RBX: 00007fc0232be580 RCX: 00007fc02313c08e
[    8.980791][  T128] RDX: 0000000000000005 RSI: 0000559f264d7320 RDI: 0000000000000001
[    8.981024][  T128] RBP: 00007ffe1dcedac0 R08: 0000000000000000 R09: 0000000000000000
[    8.981250][  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