======================================
| [  100.488137][ T3975] 8021q: adding VLAN 0 to HW filter on device eni0np1
| [  101.891903][  T518] ------------[ cut here ]------------
| [  101.892147][  T518] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x780 [netdevsim], CPU#0: rtnetlink.sh/518
| [  101.892498][  T518] Modules linked in: netdevsim psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb cls_bpf sch_ingress
[  101.893196][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.893391][  T518] RIP: 0010:nsim_destroy (drivers/net/netdevsim/netdev.c:1234 (discriminator 2)) netdevsim
[  101.893597][  T518] Code: 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 0f 85 e5 05 00 00 48 8b 3b e8 94 83 06 df 31 c0 48 8d ab 48 07 00 00 eb 07 90 <0f> 0b 90 83 c0 01 0f b7 d0 be 00 10 00 00 48 89 ef e8 b2 de 44 de
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 fc                	add    %bh,%ah
   6:	ff                   	lcall  (bad)
   7:	df 48 c1             	fisttps -0x3f(%rax)
   a:	e9 03 80 3c 01       	jmp    0x13c8012
   f:	00 0f                	add    %cl,(%rdi)
  11:	85 e5                	test   %esp,%ebp
  13:	05 00 00 48 8b       	add    $0x8b480000,%eax
  18:	3b e8                	cmp    %eax,%ebp
  1a:	94                   	xchg   %eax,%esp
  1b:	83 06 df             	addl   $0xffffffdf,(%rsi)
  1e:	31 c0                	xor    %eax,%eax
  20:	48 8d ab 48 07 00 00 	lea    0x748(%rbx),%rbp
  27:	eb 07                	jmp    0x30
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	83 c0 01             	add    $0x1,%eax
  30:	0f b7 d0             	movzwl %ax,%edx
  33:	be 00 10 00 00       	mov    $0x1000,%esi
  38:	48 89 ef             	mov    %rbp,%rdi
  3b:	e8 b2 de 44 de       	call   0xffffffffde44def2

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	83 c0 01             	add    $0x1,%eax
   6:	0f b7 d0             	movzwl %ax,%edx
   9:	be 00 10 00 00       	mov    $0x1000,%esi
   e:	48 89 ef             	mov    %rbp,%rdi
  11:	e8 b2 de 44 de       	call   0xffffffffde44dec8
[  101.894140][  T518] RSP: 0018:ffa0000000eaf9b8 EFLAGS: 00010293
[  101.894330][  T518] RAX: 0000000000000000 RBX: ff11000019832d40 RCX: ff11000019833488
[  101.894636][  T518] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[  101.894863][  T518] RBP: ff11000019833488 R08: ff11000019833488 R09: 0000000000000000
[  101.895089][  T518] R10: 1fe2200003306691 R11: 0000000000000001 R12: ff1100001ad46c98
[  101.895314][  T518] R13: dffffc0000000000 R14: ff1100001ad46800 R15: ffffffffc0659380
[  101.895554][  T518] FS:  00007fed8367bbc0(0000) GS:ff110000c9bd5000(0000) knlGS:0000000000000000
[  101.895819][  T518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.896010][  T518] CR2: 000055e46b1cd940 CR3: 0000000002676001 CR4: 0000000000771ef0
[  101.896241][  T518] PKRU: 55555554
[  101.896356][  T518] Call Trace:
[  101.896476][  T518]  <TASK>
[  101.896558][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  101.896717][  T518] __nsim_dev_port_del (drivers/net/netdevsim/dev.c:444 drivers/net/netdevsim/dev.c:1529) netdevsim
[  101.896904][  T518]  ? devl_lock_is_held (net/devlink/core.c:285 (discriminator 1))
[  101.897059][  T518] nsim_dev_reload_destroy (drivers/net/netdevsim/dev.c:1538 (discriminator 4) drivers/net/netdevsim/dev.c:1764 (discriminator 4)) netdevsim
[  101.897248][  T518] nsim_drv_remove (drivers/net/netdevsim/dev.c:1781) netdevsim
[  101.897404][  T518]  device_release_driver_internal (drivers/base/dd.c:1286 drivers/base/dd.c:1307)
[  101.897592][  T518]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[  101.897743][  T518]  bus_remove_device (./include/linux/kobject.h:193 drivers/base/base.h:73 drivers/base/bus.c:623)
[  101.897895][  T518]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[  101.898043][  T518]  device_del (drivers/base/core.c:3879)
[  101.898161][  T518]  ? __device_link_del (drivers/base/core.c:3833)
[  101.898311][  T518]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[  101.898550][  T518]  device_unregister (drivers/base/core.c:3796 drivers/base/core.c:3920)
[  101.898699][  T518] del_device_store (drivers/net/netdevsim/bus.c:248) netdevsim
[  101.898887][  T518]  ? sysfs_file_kobj (./include/linux/rcupdate.h:322 (discriminator 1) ./include/linux/rcupdate.h:881 (discriminator 1) ./include/linux/rcupdate.h:1193 (discriminator 1) fs/sysfs/file.c:24 (discriminator 1))
[  101.899038][  T518]  ? nsim_bus_dev_numvfs_show (drivers/net/netdevsim/bus.c:215) netdevsim
[  101.899228][  T518]  ? sysfs_file_kobj (fs/sysfs/file.c:26)
[  101.899375][  T518]  ? sysfs_kf_write (fs/sysfs/file.c:139)
[  101.899531][  T518]  kernfs_fop_write_iter (fs/kernfs/file.c:88 fs/kernfs/file.c:356)
[  101.899680][  T518]  ? kernfs_ops (fs/kernfs/file.c:312)
[  101.899791][  T518]  new_sync_write (fs/read_write.c:596 (discriminator 1))
[  101.899943][  T518]  ? new_sync_read (fs/read_write.c:586)
[  101.900097][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  101.900247][  T518]  ? ksys_write (fs/read_write.c:741)
[  101.900406][  T518]  vfs_write (fs/read_write.c:688)
[  101.900522][  T518]  ksys_write (fs/read_write.c:741)
[  101.900635][  T518]  ? __ia32_sys_read (fs/read_write.c:730)
[  101.900783][  T518]  ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/mmap_lock.h:196 (discriminator 4) ./include/linux/mmap_lock.h:217 (discriminator 4) ./include/linux/mmap_lock.h:264 (discriminator 4) arch/x86/mm/fault.c:1336 (discriminator 4))
[  101.900933][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  101.901086][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:752 (discriminator 1))
[  101.901238][  T518]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  101.901388][  T518]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.901546][  T518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  101.901732][  T518] RIP: 0033:0x7fed836ebc5e
[  101.901889][  T518] Code: 4d 89 d8 e8 34 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 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 34 bd 00 00       	call   0xbd3c
   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 13 ff ff ff       	call   0xffffffffffffff4c
  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 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.902429][  T518] RSP: 002b:00007ffe27314650 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  101.902656][  T518] RAX: ffffffffffffffda RBX: 00007fed838675c0 RCX: 00007fed836ebc5e
[  101.902879][  T518] RDX: 0000000000000002 RSI: 000055e46b1cd940 RDI: 0000000000000001
[  101.903104][  T518] RBP: 00007ffe27314660 R08: 0000000000000000 R09: 0000000000000000
[  101.903331][  T518] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002


Finger prints:
nsim_destroy:__nsim_dev_port_del:nsim_dev_reload_destroy:nsim_drv_remove:device_release_driver_internal