======================================
| xx__-> [    8.749016][  T128] ------------[ cut here ]------------
| [    8.749280][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: rt-route.sh/128
| [    8.749686][  T128] Modules linked in: netdevsim
| [    8.750267][  T128] Tainted: [W]=WARN
[    8.750392][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.750671][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.750906][  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
[    8.751505][  T128] RSP: 0018:ffa0000000677500 EFLAGS: 00010286
[    8.751736][  T128] RAX: 00000000ffffffa6 RBX: ff110000094e19c0 RCX: 1ff40000000cee66
[    8.751992][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094e1a70
[    8.752243][  T128] RBP: ff1100000940a000 R08: 1fe220000129c34f R09: ff11000005b82f48
[    8.752493][  T128] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    8.752766][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000940a000
[    8.753021][  T128] FS:  00007fc7e90b8740(0000) GS:ff1100007c53b000(0000) knlGS:0000000000000000
[    8.753317][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.753536][  T128] CR2: 000055c4f3363328 CR3: 0000000009321002 CR4: 0000000000771ef0
[    8.753824][  T128] PKRU: 55555554
[    8.753951][  T128] Call Trace:
[    8.754077][  T128]  <TASK>
[    8.754191][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.754413][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.754548][  T128]  register_netdevice (net/core/dev.c:11488)
[    8.754731][  T128]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.754949][  T128]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.755125][  T128] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.755347][  T128] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.755518][  T128] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.755743][  T128]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.755914][  T128]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.756123][  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))
[    8.756291][  T128]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.756418][  T128]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.756594][  T128]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.756832][  T128] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.757007][  T128]  call_driver_probe (drivers/base/dd.c:629)
[    8.757180][  T128]  really_probe (drivers/base/dd.c:709)
[    8.757349][  T128]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.757515][  T128]  __driver_probe_device (drivers/base/dd.c:871)
[    8.757701][  T128]  driver_probe_device (drivers/base/dd.c:901)
[    8.757869][  T128]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.758038][  T128]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.758332][  T128]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.758505][  T128]  __device_attach (drivers/base/dd.c:1101)
[    8.758687][  T128]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.758856][  T128]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.759064][  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)
[    8.759234][  T128]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.759528][  T128]  device_initial_probe (drivers/base/dd.c:1156)
[    8.759710][  T128]  bus_probe_device (drivers/base/bus.c:613)
[    8.759887][  T128]  device_add (drivers/base/core.c:3706)
[    8.760055][  T128]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.760263][  T128]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.760430][  T128]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.760613][  T128] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.760828][  T128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.761119][  T128]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.761333][  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))
[    8.761503][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.761686][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.761978][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.762148][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.762305][  T128]  new_sync_write (fs/read_write.c:595)
[    8.762607][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.762828][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.763239][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.763409][  T128]  ? ksys_write (fs/read_write.c:740)
[    8.763588][  T128]  vfs_write (fs/read_write.c:688)
[    8.763734][  T128]  ksys_write (fs/read_write.c:740)
[    8.763864][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.764034][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.764348][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.764536][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.764717][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.764887][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.765184][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.765392][  T128] RIP: 0033:0x7fc7e912b08e
[    8.765575][  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
[    8.766308][  T128] RSP: 002b:00007ffc0f9851f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.766567][  T128] RAX: ffffffffffffffda RBX: 00007fc7e92ad580 RCX: 00007fc7e912b08e
[    8.766828][  T128] RDX: 0000000000000007 RSI: 000055c4f3362320 RDI: 0000000000000001
[    8.767099][  T128] RBP: 00007ffc0f985200 R08: 0000000000000000 R09: 0000000000000000
[    8.767359][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.767623][  T128] R13: 0000000000000007 R14: 000055c4f3362320 R15: 0000000000000000
| [    8.957133][  T139] ------------[ cut here ]------------
| [    8.957293][  T139] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/139
| [    8.957584][  T139] Modules linked in: netdevsim
| [    8.958097][  T139] Tainted: [W]=WARN
[    8.958198][  T139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.958365][  T139] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.958573][  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
[    8.959085][  T139] RSP: 0018:ffa0000000637038 EFLAGS: 00010286
[    8.959255][  T139] RAX: 00000000ffffffa6 RBX: ff1100000aae4040 RCX: 1ff40000000c6dcd
[    8.959468][  T139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aae40f0
[    8.959683][  T139] RBP: ff1100000940a000 R08: 1fe220000155c81f R09: ff1100000c4ed180
[    8.959885][  T139] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[    8.960082][  T139] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[    8.960290][  T139] FS:  00007fac49562840(0000) GS:ff1100007c3bb000(0000) knlGS:0000000000000000
[    8.960521][  T139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.960706][  T139] CR2: 00007fac498321a0 CR3: 000000000a2de001 CR4: 0000000000771ef0
[    8.960905][  T139] PKRU: 55555554
[    8.961004][  T139] Call Trace:
[    8.961102][  T139]  <TASK>
[    8.961173][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.961308][  T139]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    8.961441][  T139]  notifier_call_chain (kernel/notifier.c:85)
[    8.961581][  T139]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[    8.961729][  T139]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[    8.961893][  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))
[    8.962027][  T139]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.962162][  T139]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[    8.962296][  T139]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    8.962432][  T139]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    8.962655][  T139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.962793][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.962952][  T139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.963111][  T139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.963252][  T139]  ? __kernel_text_address (kernel/extable.c:79)
[    8.963400][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.963542][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.963769][  T139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.964000][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.964132][  T139]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    8.964263][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.964395][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.964531][  T139]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    8.964739][  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)
[    8.964873][  T139]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    8.965009][  T139]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    8.965143][  T139]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    8.965274][  T139]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.965418][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    8.965562][  T139]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    8.965788][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.965925][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.966058][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.966189][  T139]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    8.966320][  T139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.966456][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.966592][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.966804][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.966939][  T139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.967071][  T139]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    8.967202][  T139]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    8.967334][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.967466][  T139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.967601][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.967780][  T139]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.967912][  T139]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    8.968044][  T139]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    8.968178][  T139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.968311][  T139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.968449][  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))
[    8.968587][  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))
[    8.968733][  T139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.968868][  T139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.969003][  T139]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.969135][  T139]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    8.969269][  T139]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    8.969403][  T139]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    8.969543][  T139]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    8.969691][  T139]  ? copy_msghdr_from_user (net/socket.c:2635)
[    8.969823][  T139]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    8.969985][  T139]  ? move_addr_to_kernel (net/socket.c:258)
[    8.970122][  T139]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.970255][  T139]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    8.970389][  T139]  ___sys_sendmsg (net/socket.c:2752)
[    8.970521][  T139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    8.970705][  T139]  ? copy_msghdr_from_user (net/socket.c:2603)
[    8.970851][  T139]  __sys_sendmsg (net/socket.c:2784)
[    8.970982][  T139]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    8.971117][  T139]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    8.971282][  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)
[    8.971412][  T139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.971547][  T139]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.971691][  T139]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.971824][  T139]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.971956][  T139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.972124][  T139] RIP: 0033:0x7fac4979c08e
[    8.972266][  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
[    8.972750][  T139] RSP: 002b:00007ffe5cad5050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.972950][  T139] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fac4979c08e
[    8.973149][  T139] RDX: 0000000000000000 RSI: 00007ffe5cad5100 RDI: 0000000000000003
[    8.973345][  T139] RBP: 00007ffe5cad5060 R08: 0000000000000000 R09: 0000000000000000
[    8.973546][  T139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca42
[    8.973771][  T139] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5cad57c0
| [    9.001983][  T140] ------------[ cut here ]------------
| [    9.002178][  T140] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/140
| [    9.002415][  T140] Modules linked in: netdevsim
| [    9.002852][  T140] Tainted: [W]=WARN
[    9.002956][  T140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.003126][  T140] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.003304][  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
[    9.003792][  T140] RSP: 0018:ffa0000000647020 EFLAGS: 00010286
[    9.003969][  T140] RAX: 00000000ffffffa6 RBX: ff11000001e2bb40 RCX: 1ff40000000c8dca
[    9.004168][  T140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000001e2bbf0
[    9.004366][  T140] RBP: ff1100000940a000 R08: 1fe22000003c577f R09: ff1100000a2b5180
[    9.004572][  T140] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.004785][  T140] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.004987][  T140] FS:  00007f23f2114840(0000) GS:ff1100007c3bb000(0000) knlGS:0000000000000000
[    9.005224][  T140] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.005397][  T140] CR2: 00000000392cd988 CR3: 0000000009bee003 CR4: 0000000000771ef0
[    9.005605][  T140] PKRU: 55555554
[    9.005721][  T140] Call Trace:
[    9.005821][  T140]  <TASK>
[    9.005892][  T140]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.006029][  T140]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.006164][  T140]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.006267][  T140]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.006405][  T140]  __dev_notify_flags (net/core/dev.c:9787)
[    9.006545][  T140]  ? netif_change_name (net/core/dev.c:1495)
[    9.006736][  T140]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.006870][  T140]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.007004][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.007139][  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))
[    9.007276][  T140]  netif_change_flags (net/core/dev.c:9820)
[    9.007415][  T140]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.007557][  T140]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.007702][  T140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.007871][  T140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.008007][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.008141][  T140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.008278][  T140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.008414][  T140]  ? __kernel_text_address (kernel/extable.c:79)
[    9.008556][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.008706][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.008840][  T140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.008975][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.009109][  T140]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.009241][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.009375][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.009507][  T140]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.009656][  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)
[    9.009793][  T140]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.009932][  T140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.010067][  T140]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.010202][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.010340][  T140]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.010477][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.010685][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.010821][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.010956][  T140]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.011088][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.011225][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.011358][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.011493][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.011693][  T140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.011828][  T140]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.011959][  T140]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.012093][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.012226][  T140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.012359][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.012494][  T140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.012700][  T140]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.012891][  T140]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.013026][  T140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.013159][  T140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.013295][  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))
[    9.013428][  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))
[    9.013568][  T140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.013986][  T140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.014121][  T140]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.014254][  T140]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.014390][  T140]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.014523][  T140]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.014760][  T140]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.014895][  T140]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.015028][  T140]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.015197][  T140]  ? move_addr_to_kernel (net/socket.c:258)
[    9.015331][  T140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.015465][  T140]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.015607][  T140]  ___sys_sendmsg (net/socket.c:2752)
[    9.015833][  T140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.015998][  T140]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.016144][  T140]  __sys_sendmsg (net/socket.c:2784)
[    9.016280][  T140]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.016412][  T140]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.016585][  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)
[    9.016798][  T140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.016933][  T140]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.017067][  T140]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.017203][  T140]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.017338][  T140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.017503][  T140] RIP: 0033:0x7f23f234e08e
[    9.017727][  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
[    9.018198][  T140] RSP: 002b:00007ffe0bd3d5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.018403][  T140] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f23f234e08e
[    9.018681][  T140] RDX: 0000000000000000 RSI: 00007ffe0bd3d680 RDI: 0000000000000003
[    9.018881][  T140] RBP: 00007ffe0bd3d5e0 R08: 0000000000000000 R09: 0000000000000000
[    9.019080][  T140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10ca42
[    9.019283][  T140] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0bd3dd40
| [    9.184442][  T128] ------------[ cut here ]------------
| [    9.184831][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: rt-route.sh/128
| [    9.185302][  T128] Modules linked in: netdevsim
| [    9.186105][  T128] Tainted: [W]=WARN
[    9.186276][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.186593][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.186893][  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
[    9.187523][  T128] RSP: 0018:ffa00000006775a8 EFLAGS: 00010286
[    9.187813][  T128] RAX: 00000000ffffffa6 RBX: ff110000056584c0 RCX: 1ff40000000cee7b
[    9.188110][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000005658570
[    9.188400][  T128] RBP: ff1100000940a000 R08: 1fe2200000acb0af R09: ff11000005b82f70
[    9.188730][  T128] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[    9.189022][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000677698
[    9.189317][  T128] FS:  00007fc7e90b8740(0000) GS:ff1100007c4bb000(0000) knlGS:0000000000000000
[    9.189700][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.189980][  T128] CR2: 000055c4c46f48e0 CR3: 0000000009321001 CR4: 0000000000771ef0
[    9.190338][  T128] PKRU: 55555554
[    9.190514][  T128] Call Trace:
[    9.190715][  T128]  <TASK>
[    9.190851][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.191070][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.191245][  T128]  netif_close_many (net/core/dev.c:1804)
[    9.191459][  T128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.191710][  T128]  ? __dev_close_many (net/core/dev.c:1781)
[    9.191928][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.192145][  T128]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.192359][  T128]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    9.192647][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    9.192902][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.193116][  T128]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.193328][  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)
[    9.193543][  T128]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.193787][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.194038][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.194269][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.194483][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.194734][  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)
[    9.194951][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.195166][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.195383][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.195636][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.195855][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.196086][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.196342][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.196626][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.196852][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.197108][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    9.197322][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.197537][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    9.197784][  T128]  device_del (drivers/base/core.c:3895)
[    9.197961][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.198182][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.198419][  T128]  device_unregister (drivers/base/core.c:3936)
[    9.198693][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.198955][  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))
[    9.199171][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.199424][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.199671][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.199886][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.200100][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.200278][  T128]  new_sync_write (fs/read_write.c:595)
[    9.200493][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.200808][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.201023][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.201237][  T128]  ? ksys_write (fs/read_write.c:740)
[    9.201456][  T128]  vfs_write (fs/read_write.c:688)
[    9.201667][  T128]  ksys_write (fs/read_write.c:740)
[    9.201845][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.202061][  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)
[    9.202277][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.202490][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.202736][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.202951][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.203167][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.203417][  T128] RIP: 0033:0x7fc7e912b08e
[    9.203668][  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
[    9.204292][  T128] RSP: 002b:00007ffc0f985750 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.204599][  T128] RAX: ffffffffffffffda RBX: 00007fc7e92ad580 RCX: 00007fc7e912b08e
[    9.204916][  T128] RDX: 0000000000000005 RSI: 000055c4f3362320 RDI: 0000000000000001
[    9.205209][  T128] RBP: 00007ffc0f985760 R08: 0000000000000000 R09: 0000000000000000
[    9.205501][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    9.205822][  T128] R13: 0000000000000005 R14: 000055c4f3362320 R15: 0000000000000000
| [    9.212706][  T128] ------------[ cut here ]------------
| [    9.212909][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: rt-route.sh/128
| [    9.213214][  T128] Modules linked in: netdevsim
| [    9.213847][  T128] Tainted: [W]=WARN
[    9.213965][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.214188][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.214391][  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
[    9.214962][  T128] RSP: 0018:ffa0000000677728 EFLAGS: 00010286
[    9.215157][  T128] RAX: 00000000ffffffa6 RBX: ff1100000aae47c0 RCX: 1ff40000000ceeab
[    9.215387][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000aae4870
[    9.215626][  T128] RBP: ff1100000940a000 R08: 1fe220000155c90f R09: ff11000005b82f48
[    9.215859][  T128] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.216087][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.216323][  T128] FS:  00007fc7e90b8740(0000) GS:ff1100007c3bb000(0000) knlGS:0000000000000000
[    9.216599][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.216806][  T128] CR2: 00007b47d70ce000 CR3: 0000000009321001 CR4: 0000000000771ef0
[    9.217039][  T128] PKRU: 55555554
[    9.217156][  T128] Call Trace:
[    9.217272][  T128]  <TASK>
[    9.217353][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.217552][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.217820][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.217976][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.218128][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.218281][  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)
[    9.218553][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.218724][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.218878][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.219036][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.219195][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.219349][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.219546][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.219784][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.219938][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.220131][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    9.220284][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.220439][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    9.220602][  T128]  device_del (drivers/base/core.c:3895)
[    9.220728][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.220883][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.221037][  T128]  device_unregister (drivers/base/core.c:3936)
[    9.221189][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.221382][  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))
[    9.221539][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.221743][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.221897][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.222050][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.222202][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.222318][  T128]  new_sync_write (fs/read_write.c:595)
[    9.222473][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.222644][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.222801][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.222954][  T128]  ? ksys_write (fs/read_write.c:740)
[    9.223111][  T128]  vfs_write (fs/read_write.c:688)
[    9.223229][  T128]  ksys_write (fs/read_write.c:740)
[    9.223345][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.223497][  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)
[    9.223681][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.223835][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.223991][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.224146][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.224298][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.224487][  T128] RIP: 0033:0x7fc7e912b08e
[    9.224663][  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
[    9.225204][  T128] RSP: 002b:00007ffc0f985750 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.225434][  T128] RAX: ffffffffffffffda RBX: 00007fc7e92ad580 RCX: 00007fc7e912b08e
[    9.225680][  T128] RDX: 0000000000000005 RSI: 000055c4f3362320 RDI: 0000000000000001
[    9.225908][  T128] RBP: 00007ffc0f985760 R08: 0000000000000000 R09: 0000000000000000
[    9.226137][  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