[   20.642323][  T209] netdevsim netdevsim687 eni687np1: renamed from eth0
[   21.455825][  T271] 8021q: adding VLAN 0 to HW filter on device eni687np1
[   22.449970][  T197] ------------[ cut here ]------------
[   22.450225][  T197] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x7b0 [netdevsim], CPU#3: tc-mq-visibilit/197
[   22.450634][  T197] Modules linked in: netdevsim
[   22.450830][  T197] CPU: 3 UID: 0 PID: 197 Comm: tc-mq-visibilit Not tainted 7.0.0-rc2-virtme #1 PREEMPT(full) 
[   22.451142][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.451352][  T197] RIP: 0010:nsim_destroy+0x128/0x7b0 [netdevsim]
[   22.451563][  T197] Code: 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 0f 85 47 06 00 00 48 8b 3b e8 84 17 cc ce 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 e2 22 10 ce
[   22.452115][  T197] RSP: 0018:ffa00000009479b8 EFLAGS: 00010293
[   22.452324][  T197] RAX: 0000000000000000 RBX: ff1100000f302d00 RCX: ff1100000f303448
[   22.452576][  T197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[   22.452811][  T197] RBP: ff1100000f303448 R08: ff1100000f303448 R09: 0000000000000000
[   22.453040][  T197] R10: 1fe2200001e60689 R11: 0000000000000001 R12: ff1100001281d498
[   22.453277][  T197] R13: dffffc0000000000 R14: ff1100001281d000 R15: ffffffffc051e380
[   22.453510][  T197] FS:  00007f08646d7bc0(0000) GS:ff110000a3805000(0000) knlGS:0000000000000000
[   22.453786][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.453982][  T197] CR2: 000055fed20d4808 CR3: 0000000013cb0002 CR4: 0000000000771ef0
[   22.454223][  T197] PKRU: 55555554
[   22.454346][  T197] Call Trace:
[   22.454463][  T197]  <TASK>
[   22.454549][  T197]  ? rcu_is_watching+0x15/0xd0
[   22.454711][  T197]  __nsim_dev_port_del+0x17c/0x2c0 [netdevsim]
[   22.454907][  T197]  ? devl_lock_is_held+0x1a/0x20
[   22.455063][  T197]  nsim_dev_reload_destroy+0xd0/0x470 [netdevsim]
[   22.455268][  T197]  nsim_drv_remove+0x4e/0x1e0 [netdevsim]
[   22.455434][  T197]  device_release_driver_internal+0x3b6/0x570
[   22.455632][  T197]  ? sysfs_file_ops+0x140/0x140
[   22.455786][  T197]  bus_remove_device+0x1ec/0x3f0
[   22.455940][  T197]  ? sysfs_file_ops+0x140/0x140
[   22.456090][  T197]  device_del+0x324/0x8c0
[   22.456212][  T197]  ? __device_link_del+0x500/0x500
[   22.456376][  T197]  ? sysfs_file_ops+0x140/0x140
[   22.456528][  T197]  device_unregister+0x17/0xb0
[   22.456686][  T197]  del_device_store+0x2fb/0x580 [netdevsim]
[   22.456878][  T197]  ? sysfs_file_kobj+0xb3/0x1e0
[   22.457029][  T197]  ? nsim_bus_dev_numvfs_show+0x80/0x80 [netdevsim]
[   22.457226][  T197]  ? sysfs_file_kobj+0xbd/0x1e0
[   22.457386][  T197]  ? sysfs_kf_write+0x65/0x160
[   22.457547][  T197]  kernfs_fop_write_iter+0x335/0x510
[   22.457702][  T197]  ? kernfs_ops+0xf0/0xf0
[   22.457818][  T197]  new_sync_write+0x308/0x6f0
[   22.457974][  T197]  ? new_sync_read+0x6f0/0x6f0
[   22.458128][  T197]  ? lock_acquire.part.0+0xbc/0x260
[   22.458291][  T197]  ? ksys_write+0xff/0x200
[   22.458448][  T197]  vfs_write+0x65e/0xbb0
[   22.458570][  T197]  ksys_write+0xff/0x200
[   22.458686][  T197]  ? __ia32_sys_read+0xc0/0xc0
[   22.458841][  T197]  ? do_user_addr_fault+0x799/0xdb0
[   22.458995][  T197]  ? rcu_is_watching+0x15/0xd0
[   22.459148][  T197]  ? rcu_is_watching+0x15/0xd0
[   22.459314][  T197]  do_syscall_64+0x117/0xfc0
[   22.459470][  T197]  ? exc_page_fault+0xaf/0xd0
[   22.459628][  T197]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   22.459819][  T197] RIP: 0033:0x7f0864747c5e
[   22.459980][  T197] 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
[   22.460534][  T197] RSP: 002b:00007ffed6a8d720 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   22.460773][  T197] RAX: ffffffffffffffda RBX: 00007f08648c35c0 RCX: 00007f0864747c5e
[   22.461005][  T197] RDX: 0000000000000004 RSI: 000055fed20d3800 RDI: 0000000000000001
[   22.461242][  T197] RBP: 00007ffed6a8d730 R08: 0000000000000000 R09: 0000000000000000
[   22.461477][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   22.461713][  T197] R13: 0000000000000004 R14: 000055fed20d3800 R15: 000055fed20ce2d0
[   22.461950][  T197]  </TASK>
[   22.462068][  T197] irq event stamp: 173763
[   22.462185][  T197] hardirqs last  enabled at (173771): [<ffffffff8d916daa>] __up_console_sem+0x5a/0x70
[   22.462463][  T197] hardirqs last disabled at (173780): [<ffffffff8d916d8f>] __up_console_sem+0x3f/0x70
[   22.462740][  T197] softirqs last  enabled at (173312): [<ffffffff8d78e93c>] handle_softirqs+0x60c/0x920
[   22.463010][  T197] softirqs last disabled at (173305): [<ffffffff8d78f0d2>] irq_exit_rcu+0xa2/0xf0
[   22.463288][  T197] ---[ end trace 0000000000000000 ]---
[   22.624130][  T215] netdevsim netdevsim687 eni687np1: renamed from eth0
[   23.410708][  T415] 8021q: adding VLAN 0 to HW filter on device eni687np1
[   24.535427][  T195] perl (195) used greatest stack depth: 24616 bytes left