======================================
| xx__-> [    8.910700][  T128] ------------[ cut here ]------------
| [    8.911036][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: rt-route.sh/128
| [    8.911572][  T128] Modules linked in: netdevsim
| [    8.912511][  T128] Tainted: [W]=WARN
[    8.912686][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.913005][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    8.913290][  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
[    8.913936][  T128] RSP: 0018:ffa0000000717500 EFLAGS: 00010286
[    8.914214][  T128] RAX: 00000000ffffffa6 RBX: ff11000008f28f40 RCX: 1ff40000000e2e66
[    8.914711][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008f28ff0
[    8.915036][  T128] RBP: ff11000009602000 R08: 1fe22000011e51ff R09: ff1100000c9c0c48
[    8.915406][  T128] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    8.915807][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009602000
[    8.916154][  T128] FS:  00007f4a841c8740(0000) GS:ff1100008fabb000(0000) knlGS:0000000000000000
[    8.916505][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    8.916797][  T128] CR2: 000055fdb705a328 CR3: 000000000cb57003 CR4: 0000000000771ef0
[    8.917392][  T128] PKRU: 55555554
[    8.917637][  T128] Call Trace:
[    8.918282][  T128]  <TASK>
[    8.918435][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    8.918656][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    8.918833][  T128]  register_netdevice (net/core/dev.c:11488)
[    8.919123][  T128]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    8.919427][  T128]  ? __debugfs_create_file (fs/debugfs/inode.c:412 fs/debugfs/inode.c:452)
[    8.919709][  T128] nsim_init_netdevsim (drivers/net/netdevsim/netdev.c:1069) netdevsim
[    8.920454][  T128] nsim_create (drivers/net/netdevsim/netdev.c:1151) netdevsim
[    8.920940][  T128] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1509) netdevsim
[    8.921439][  T128]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[    8.921656][  T128]  ? nsim_dev_get_vfs (drivers/net/netdevsim/dev.c:65) netdevsim
[    8.921925][  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))
[    8.922265][  T128]  ? static_obj (kernel/locking/lockdep.c:858)
[    8.922435][  T128]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    8.922654][  T128]  ? nsim_dev_hwstats_init (./include/linux/workqueue.h:713 ./include/linux/workqueue.h:855 drivers/net/netdevsim/hwstats.c:439) netdevsim
[    8.922922][  T128] nsim_drv_probe (drivers/net/netdevsim/dev.c:1570 drivers/net/netdevsim/dev.c:1731) netdevsim
[    8.923286][  T128]  call_driver_probe (drivers/base/dd.c:629)
[    8.923498][  T128]  really_probe (drivers/base/dd.c:709)
[    8.923828][  T128]  ? driver_probe_device (drivers/base/dd.c:135)
[    8.924069][  T128]  __driver_probe_device (drivers/base/dd.c:871)
[    8.924293][  T128]  driver_probe_device (drivers/base/dd.c:901)
[    8.924627][  T128]  __device_attach_driver (drivers/base/dd.c:1029)
[    8.924842][  T128]  bus_for_each_drv (drivers/base/bus.c:500)
[    8.925066][  T128]  ? bus_find_device_reverse (drivers/base/bus.c:442)
[    8.925285][  T128]  __device_attach (drivers/base/dd.c:1101)
[    8.925493][  T128]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    8.925703][  T128]  ? __driver_attach_async_helper (drivers/base/dd.c:1172 (discriminator 1))
[    8.926122][  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)
[    8.926397][  T128]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:169 (discriminator 1) kernel/locking/spinlock.c:190 (discriminator 1))
[    8.926699][  T128]  device_initial_probe (drivers/base/dd.c:1156)
[    8.927026][  T128]  bus_probe_device (drivers/base/bus.c:613)
[    8.927341][  T128]  device_add (drivers/base/core.c:3706)
[    8.927653][  T128]  ? __fw_devlink_link_to_consumers.isra.0 (./include/linux/property.h:226 (discriminator 3))
[    8.928138][  T128]  ? __init_waitqueue_head (kernel/sched/wait.c:12)
[    8.928498][  T128]  ? pm_runtime_init (drivers/base/power/runtime.c:1859)
[    8.928725][  T128] new_device_store (drivers/net/netdevsim/bus.c:471 drivers/net/netdevsim/bus.c:191) netdevsim
[    8.929110][  T128]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    8.929341][  T128]  ? new_port_store (drivers/net/netdevsim/bus.c:99) netdevsim
[    8.929611][  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))
[    8.929954][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    8.930183][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    8.930405][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    8.930625][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    8.930800][  T128]  new_sync_write (fs/read_write.c:595)
[    8.931164][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    8.931396][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    8.931611][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    8.931972][  T128]  ? ksys_write (fs/read_write.c:740)
[    8.932206][  T128]  vfs_write (fs/read_write.c:688)
[    8.932404][  T128]  ksys_write (fs/read_write.c:740)
[    8.932643][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    8.932872][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.933088][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    8.933386][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    8.933605][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    8.933822][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    8.934051][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.934317][  T128] RIP: 0033:0x7f4a8423b08e
[    8.934543][  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
[    8.935927][  T128] RSP: 002b:00007ffd2cfe8500 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    8.936474][  T128] RAX: ffffffffffffffda RBX: 00007f4a843bd580 RCX: 00007f4a8423b08e
[    8.936768][  T128] RDX: 0000000000000007 RSI: 000055fdb7059320 RDI: 0000000000000001
[    8.937072][  T128] RBP: 00007ffd2cfe8510 R08: 0000000000000000 R09: 0000000000000000
[    8.937468][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007
[    8.937910][  T128] R13: 0000000000000007 R14: 000055fdb7059320 R15: 0000000000000000
| [    9.151944][  T137] ------------[ cut here ]------------
| [    9.152095][  T137] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/137
| [    9.152335][  T137] Modules linked in: netdevsim
| [    9.152892][  T137] Tainted: [W]=WARN
[    9.152992][  T137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.153181][  T137] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.153360][  T137] 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
[    9.153823][  T137] RSP: 0018:ffa00000006e7038 EFLAGS: 00010286
[    9.154007][  T137] RAX: 00000000ffffffa6 RBX: ff1100000cde5cc0 RCX: 1ff40000000dcdcd
[    9.154206][  T137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cde5d70
[    9.154401][  T137] RBP: ff11000009602000 R08: 1fe22000019bcbaf R09: ff11000001130b80
[    9.154595][  T137] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[    9.154792][  T137] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[    9.154998][  T137] FS:  00007fab77d44840(0000) GS:ff1100008fb3b000(0000) knlGS:0000000000000000
[    9.155241][  T137] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.155415][  T137] CR2: 00000000401ba988 CR3: 000000000cd46002 CR4: 0000000000771ef0
[    9.155619][  T137] PKRU: 55555554
[    9.155717][  T137] Call Trace:
[    9.155816][  T137]  <TASK>
[    9.155890][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.156036][  T137]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[    9.156168][  T137]  notifier_call_chain (kernel/notifier.c:85)
[    9.156309][  T137]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[    9.156449][  T137]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[    9.156611][  T137]  ? 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))
[    9.156754][  T137]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.156949][  T137]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[    9.157081][  T137]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.157216][  T137]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.157375][  T137]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.157505][  T137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.157634][  T137]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.157764][  T137]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.157949][  T137]  ? __kernel_text_address (kernel/extable.c:79)
[    9.158079][  T137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.158214][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.158344][  T137]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.158473][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.158601][  T137]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.158730][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.158945][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.159147][  T137]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.159304][  T137]  ? __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)
[    9.159437][  T137]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.159567][  T137]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.159708][  T137]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.159836][  T137]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.160056][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.160201][  T137]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.160339][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.160467][  T137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.160596][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.160723][  T137]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.160851][  T137]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.161057][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.161195][  T137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.161330][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.161458][  T137]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.161589][  T137]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.161723][  T137]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.161943][  T137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.162075][  T137]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.162210][  T137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.162342][  T137]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.162470][  T137]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.162602][  T137]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.162732][  T137]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.162931][  T137]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.163065][  T137]  ? 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))
[    9.163201][  T137]  ? 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))
[    9.163342][  T137]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.163477][  T137]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.163611][  T137]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.163748][  T137]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.163951][  T137]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.164088][  T137]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.164232][  T137]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.164366][  T137]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.164494][  T137]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.164662][  T137]  ? move_addr_to_kernel (net/socket.c:258)
[    9.164792][  T137]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.164928][  T137]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.165057][  T137]  ___sys_sendmsg (net/socket.c:2752)
[    9.165185][  T137]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.165351][  T137]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.165492][  T137]  __sys_sendmsg (net/socket.c:2784)
[    9.165622][  T137]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.165750][  T137]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.165920][  T137]  ? 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)
[    9.166053][  T137]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.166182][  T137]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.166321][  T137]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.166453][  T137]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.166585][  T137]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.166750][  T137] RIP: 0033:0x7fab77f7e08e
[    9.166891][  T137] 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
[    9.167359][  T137] RSP: 002b:00007ffd95abdfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.167562][  T137] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fab77f7e08e
[    9.167763][  T137] RDX: 0000000000000000 RSI: 00007ffd95abe050 RDI: 0000000000000003
[    9.167961][  T137] RBP: 00007ffd95abdfb0 R08: 0000000000000000 R09: 0000000000000000
[    9.168155][  T137] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d327
[    9.168354][  T137] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd95abe710
| [    9.204460][  T138] ------------[ cut here ]------------
| [    9.204658][  T138] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/138
| [    9.204957][  T138] Modules linked in: netdevsim
| [    9.205468][  T138] Tainted: [W]=WARN
[    9.205616][  T138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.205826][  T138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.206057][  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
[    9.206582][  T138] RSP: 0018:ffa00000006b7020 EFLAGS: 00010286
[    9.206793][  T138] RAX: 00000000ffffffa6 RBX: ff1100000c24bb40 RCX: 1ff40000000d6dca
[    9.207093][  T138] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c24bbf0
[    9.207400][  T138] RBP: ff11000009602000 R08: 1fe220000184977f R09: ff1100000cbc2e80
[    9.207697][  T138] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.208004][  T138] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.208274][  T138] FS:  00007f823bb85840(0000) GS:ff1100008fabb000(0000) knlGS:0000000000000000
[    9.208548][  T138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.208767][  T138] CR2: 0000000030714988 CR3: 000000000d902002 CR4: 0000000000771ef0
[    9.209021][  T138] PKRU: 55555554
[    9.209166][  T138] Call Trace:
[    9.209321][  T138]  <TASK>
[    9.209437][  T138]  ? __local_bh_enable_ip (kernel/softirq.c:455)
[    9.209617][  T138]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.209797][  T138]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.210030][  T138]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.210223][  T138]  __dev_notify_flags (net/core/dev.c:9787)
[    9.210416][  T138]  ? netif_change_name (net/core/dev.c:1495)
[    9.210593][  T138]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.210771][  T138]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.210962][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.211144][  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))
[    9.211335][  T138]  netif_change_flags (net/core/dev.c:9820)
[    9.211518][  T138]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.211698][  T138]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.211888][  T138]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.212102][  T138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.212288][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.212469][  T138]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.212645][  T138]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.212824][  T138]  ? __kernel_text_address (kernel/extable.c:79)
[    9.213016][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.213203][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.213385][  T138]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.213563][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.213739][  T138]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.213928][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.214104][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.214292][  T138]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.214471][  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)
[    9.214651][  T138]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.214829][  T138]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.215021][  T138]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.215208][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.215390][  T138]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.215570][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.215745][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.215938][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.216118][  T138]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.216306][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.216487][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.216664][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.216844][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.217034][  T138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.217221][  T138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.217401][  T138]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.217582][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.217759][  T138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.218104][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.218297][  T138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.218476][  T138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.218656][  T138]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.218835][  T138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.219027][  T138]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.219221][  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))
[    9.219399][  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))
[    9.219580][  T138]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.219761][  T138]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.219953][  T138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.220134][  T138]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.220321][  T138]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.220504][  T138]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.220683][  T138]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.220875][  T138]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.221053][  T138]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.221268][  T138]  ? move_addr_to_kernel (net/socket.c:258)
[    9.221448][  T138]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.221626][  T138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.221809][  T138]  ___sys_sendmsg (net/socket.c:2752)
[    9.221998][  T138]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.222215][  T138]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.222408][  T138]  __sys_sendmsg (net/socket.c:2784)
[    9.222587][  T138]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.222763][  T138]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.222990][  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)
[    9.223172][  T138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.223358][  T138]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.223539][  T138]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.223717][  T138]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.223910][  T138]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.224122][  T138] RIP: 0033:0x7f823bdbf08e
[    9.224314][  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
[    9.224824][  T138] RSP: 002b:00007ffd78b8d340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.225082][  T138] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f823bdbf08e
[    9.225334][  T138] RDX: 0000000000000000 RSI: 00007ffd78b8d3f0 RDI: 0000000000000003
[    9.225579][  T138] RBP: 00007ffd78b8d350 R08: 0000000000000000 R09: 0000000000000000
[    9.225821][  T138] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d327
[    9.226075][  T138] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78b8dab0
| [    9.377418][  T128] ------------[ cut here ]------------
| [    9.377659][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: rt-route.sh/128
| [    9.378046][  T128] Modules linked in: netdevsim
| [    9.378613][  T128] Tainted: [W]=WARN
[    9.378734][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.378973][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.379185][  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
[    9.379755][  T128] RSP: 0018:ffa00000007175a8 EFLAGS: 00010286
[    9.379964][  T128] RAX: 00000000ffffffa6 RBX: ff1100000ca4ec40 RCX: 1ff40000000e2e7b
[    9.380208][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca4ecf0
[    9.380448][  T128] RBP: ff11000009602000 R08: 1fe2200001949d9f R09: ff1100000c9c0c70
[    9.380689][  T128] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[    9.380936][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000717698
[    9.381180][  T128] FS:  00007f4a841c8740(0000) GS:ff1100008fb3b000(0000) knlGS:0000000000000000
[    9.381474][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.381675][  T128] CR2: 000055fd970e88e0 CR3: 000000000cb57003 CR4: 0000000000771ef0
[    9.381917][  T128] PKRU: 55555554
[    9.382039][  T128] Call Trace:
[    9.382158][  T128]  <TASK>
[    9.382246][  T128]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.382410][  T128]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.382530][  T128]  netif_close_many (net/core/dev.c:1804)
[    9.382689][  T128]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.382851][  T128]  ? __dev_close_many (net/core/dev.c:1781)
[    9.383015][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.383178][  T128]  netif_close_many_and_unlock (net/core/dev.c:12330)
[    9.383343][  T128]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2830 net/core/dev.c:12396)
[    9.383541][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12400)
[    9.383738][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.383903][  T128]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.384063][  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)
[    9.384229][  T128]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.384388][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.384586][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.384744][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.385027][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.385192][  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)
[    9.385353][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.385511][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.385668][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.385829][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.386100][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.386265][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.386464][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.386665][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.386825][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.387139][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    9.387303][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.387462][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    9.387627][  T128]  device_del (drivers/base/core.c:3895)
[    9.387748][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.388004][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.388164][  T128]  device_unregister (drivers/base/core.c:3936)
[    9.388325][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.388525][  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))
[    9.388684][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.388999][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.389157][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.389322][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.389480][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.389601][  T128]  new_sync_write (fs/read_write.c:595)
[    9.389761][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.390025][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.390187][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.390355][  T128]  ? ksys_write (fs/read_write.c:740)
[    9.390518][  T128]  vfs_write (fs/read_write.c:688)
[    9.390640][  T128]  ksys_write (fs/read_write.c:740)
[    9.390760][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.391011][  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)
[    9.391169][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.391335][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.391494][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.391656][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.391816][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.392119][  T128] RIP: 0033:0x7f4a8423b08e
[    9.392290][  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
[    9.392970][  T128] RSP: 002b:00007ffd2cfe8a60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.393299][  T128] RAX: ffffffffffffffda RBX: 00007f4a843bd580 RCX: 00007f4a8423b08e
[    9.393663][  T128] RDX: 0000000000000005 RSI: 000055fdb7059320 RDI: 0000000000000001
[    9.394902][  T128] RBP: 00007ffd2cfe8a70 R08: 0000000000000000 R09: 0000000000000000
[    9.395149][  T128] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005
[    9.395393][  T128] R13: 0000000000000005 R14: 000055fdb7059320 R15: 0000000000000000
| [    9.402612][  T128] ------------[ cut here ]------------
| [    9.402831][  T128] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: rt-route.sh/128
| [    9.403227][  T128] Modules linked in: netdevsim
| [    9.403759][  T128] Tainted: [W]=WARN
[    9.403883][  T128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.404073][  T128] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.404279][  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
[    9.404813][  T128] RSP: 0018:ffa0000000717728 EFLAGS: 00010286
[    9.405019][  T128] RAX: 00000000ffffffa6 RBX: ff1100000d95e4c0 RCX: 1ff40000000e2eab
[    9.405249][  T128] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d95e570
[    9.405478][  T128] RBP: ff11000009602000 R08: 1fe2200001b2bcaf R09: ff1100000c9c0c48
[    9.405702][  T128] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.405956][  T128] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[    9.406182][  T128] FS:  00007f4a841c8740(0000) GS:ff1100008fa3b000(0000) knlGS:0000000000000000
[    9.406515][  T128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.406704][  T128] CR2: 00007fb3e795a574 CR3: 000000000cb57003 CR4: 0000000000771ef0
[    9.406935][  T128] PKRU: 55555554
[    9.407052][  T128] Call Trace:
[    9.407164][  T128]  <TASK>
[    9.407247][  T128]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[    9.407441][  T128]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[    9.407626][  T128]  ? __rtnl_unlock (net/core/rtnetlink.c:143)
[    9.407776][  T128]  ? netdev_run_todo (net/core/dev.c:11703)
[    9.407932][  T128]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.408085][  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)
[    9.408251][  T128]  unregister_netdevice_queue (net/core/dev.c:12497 net/core/dev.c:12309 net/core/dev.c:12299)
[    9.408401][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.408551][  T128]  ? unregister_netdevice_many (net/core/dev.c:12497)
[    9.408705][  T128] nsim_destroy (./include/linux/netdevice.h:3455 drivers/net/netdevsim/netdev.c:1193) netdevsim
[    9.408864][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.409014][  T128] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:1547) netdevsim
[    9.409206][  T128] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1561 drivers/net/netdevsim/dev.c:1785) netdevsim
[    9.409398][  T128] nsim_drv_remove (drivers/net/netdevsim/dev.c:1800) netdevsim
[    9.409549][  T128]  device_release_driver_internal (drivers/base/dd.c:1352 drivers/base/dd.c:1375)
[    9.409738][  T128]  bus_remove_device (drivers/base/bus.c:657)
[    9.409896][  T128]  ? bus_probe_device (drivers/base/bus.c:616 (discriminator 1))
[    9.410045][  T128]  ? device_remove_file (drivers/base/core.c:3073)
[    9.410211][  T128]  device_del (drivers/base/core.c:3895)
[    9.410333][  T128]  ? __device_link_del (./include/linux/kobject.h:89)
[    9.410493][  T128]  ? sysfs_file_ops (fs/sysfs/file.c:38 (discriminator 1))
[    9.410724][  T128]  device_unregister (drivers/base/core.c:3936)
[    9.410883][  T128] del_device_store (drivers/net/netdevsim/bus.c:491 drivers/net/netdevsim/bus.c:244) netdevsim
[    9.411071][  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))
[    9.411227][  T128]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:57) netdevsim
[    9.411413][  T128]  ? sysfs_file_kobj (./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1181 fs/sysfs/file.c:24)
[    9.411622][  T128]  ? sysfs_kf_write (fs/sysfs/file.c:137)
[    9.411773][  T128]  kernfs_fop_write_iter (fs/kernfs/file.c:352)
[    9.412025][  T128]  ? kernfs_ops (fs/kernfs/file.c:128)
[    9.412139][  T128]  new_sync_write (fs/read_write.c:595)
[    9.412298][  T128]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.412448][  T128]  ? new_sync_read (./include/linux/ioprio.h:41)
[    9.412598][  T128]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.412747][  T128]  ? ksys_write (fs/read_write.c:740)
[    9.412977][  T128]  vfs_write (fs/read_write.c:688)
[    9.413264][  T128]  ksys_write (fs/read_write.c:740)
[    9.413415][  T128]  ? __ia32_sys_read (fs/read_write.c:724)
[    9.413608][  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)
[    9.413836][  T128]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.414256][  T128]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.414415][  T128]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.414564][  T128]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.414719][  T128]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.415015][  T128] RIP: 0033:0x7f4a8423b08e
[    9.415183][  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
[    9.415797][  T128] RSP: 002b:00007ffd2cfe8a60 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[    9.416162][  T128] RAX: ffffffffffffffda RBX: 00007f4a843bd580 RCX: 00007f4a8423b08e
[    9.416456][  T128] RDX: 0000000000000005 RSI: 000055fdb7059320 RDI: 0000000000000001
[    9.416679][  T128] RBP: 00007ffd2cfe8a70 R08: 0000000000000000 R09: 0000000000000000
[    9.416918][  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