[   19.652882][  T200] netconsole: network logging started
[   23.016152][  T187] netconsole selftest: netcons_vox6a
[   23.541942][  T187] ------------[ cut here ]------------
[   23.542223][  T187] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x7b0 [netdevsim], CPU#2: bash/187
[   23.542655][  T187] Modules linked in: netconsole netdevsim
[   23.542904][  T187] CPU: 2 UID: 0 PID: 187 Comm: bash Not tainted 7.0.0-rc2-virtme #1 PREEMPT(full) 
[   23.543249][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.543499][  T187] RIP: 0010:nsim_destroy+0x128/0x7b0 [netdevsim]
[   23.543750][  T187] 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 2c c8 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 70 c7
[   23.544352][  T187] RSP: 0018:ffa00000008d79b8 EFLAGS: 00010293
[   23.544596][  T187] RAX: 0000000000000000 RBX: ff1100000cd5ad00 RCX: ff1100000cd5b448
[   23.544864][  T187] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[   23.545133][  T187] RBP: ff1100000cd5b448 R08: ff1100000cd5b448 R09: 0000000000000000
[   23.545432][  T187] R10: 1fe22000019ab689 R11: 0000000000000001 R12: ff1100000a472498
[   23.545701][  T187] R13: dffffc0000000000 R14: ff1100000a472000 R15: ffffffffc049c380
[   23.545972][  T187] FS:  00007f3b59282bc0(0000) GS:ff110000aa185000(0000) knlGS:0000000000000000
[   23.546289][  T187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.546540][  T187] CR2: 000055d801593168 CR3: 0000000001ef1001 CR4: 0000000000771ef0
[   23.546816][  T187] PKRU: 55555554
[   23.546978][  T187] Call Trace:
[   23.547136][  T187]  <TASK>
[   23.547272][  T187]  ? rcu_is_watching+0x15/0xd0
[   23.547499][  T187]  __nsim_dev_port_del+0x17c/0x2c0 [netdevsim]
[   23.547738][  T187]  ? devl_lock_is_held+0x1a/0x20
[   23.547937][  T187]  nsim_dev_reload_destroy+0xd0/0x470 [netdevsim]
[   23.548188][  T187]  nsim_drv_remove+0x4e/0x1e0 [netdevsim]
[   23.548404][  T187]  device_release_driver_internal+0x3b6/0x570
[   23.548641][  T187]  ? sysfs_file_ops+0x140/0x140
[   23.548837][  T187]  bus_remove_device+0x1ec/0x3f0
[   23.549036][  T187]  ? sysfs_file_ops+0x140/0x140
[   23.549245][  T187]  device_del+0x324/0x8c0
[   23.549429][  T187]  ? __device_link_del+0x500/0x500
[   23.549629][  T187]  ? sysfs_file_ops+0x140/0x140
[   23.549823][  T187]  device_unregister+0x17/0xb0
[   23.550019][  T187]  del_device_store+0x2fb/0x580 [netdevsim]
[   23.550266][  T187]  ? sysfs_file_kobj+0xb3/0x1e0
[   23.550479][  T187]  ? nsim_bus_dev_numvfs_show+0x80/0x80 [netdevsim]
[   23.550713][  T187]  ? sysfs_file_kobj+0xbd/0x1e0
[   23.550910][  T187]  ? sysfs_kf_write+0x65/0x160
[   23.551105][  T187]  kernfs_fop_write_iter+0x335/0x510
[   23.551330][  T187]  ? kernfs_ops+0xf0/0xf0
[   23.551508][  T187]  new_sync_write+0x308/0x6f0
[   23.551709][  T187]  ? new_sync_read+0x6f0/0x6f0
[   23.551906][  T187]  ? lock_acquire.part.0+0xbc/0x260
[   23.552102][  T187]  ? ksys_write+0xff/0x200
[   23.552315][  T187]  vfs_write+0x65e/0xbb0
[   23.552487][  T187]  ksys_write+0xff/0x200
[   23.552651][  T187]  ? __ia32_sys_read+0xc0/0xc0
[   23.552847][  T187]  ? do_raw_spin_unlock+0x59/0x250
[   23.553044][  T187]  ? rcu_is_watching+0x15/0xd0
[   23.553251][  T187]  do_syscall_64+0x117/0xfc0
[   23.553465][  T187]  ? exc_page_fault+0xaf/0xd0
[   23.553664][  T187]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   23.553900][  T187] RIP: 0033:0x7f3b592f2c5e
[   23.554104][  T187] 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
[   23.554709][  T187] RSP: 002b:00007ffea06a02a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   23.554981][  T187] RAX: ffffffffffffffda RBX: 00007f3b5946e5c0 RCX: 00007f3b592f2c5e
[   23.555263][  T187] RDX: 0000000000000004 RSI: 000055d8015e4d10 RDI: 0000000000000001
[   23.555549][  T187] RBP: 00007ffea06a02b0 R08: 0000000000000000 R09: 0000000000000000
[   23.555818][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[   23.556087][  T187] R13: 0000000000000004 R14: 000055d8015e4d10 R15: 000055d8015e5fe0
[   23.556380][  T187]  </TASK>
[   23.556550][  T187] irq event stamp: 198093
[   23.556709][  T187] hardirqs last  enabled at (198103): [<ffffffff86f16daa>] __up_console_sem+0x5a/0x70
[   23.557019][  T187] hardirqs last disabled at (198112): [<ffffffff86f16d8f>] __up_console_sem+0x3f/0x70
[   23.557340][  T187] softirqs last  enabled at (197854): [<ffffffff86d8e93c>] handle_softirqs+0x60c/0x920
[   23.557661][  T187] softirqs last disabled at (197847): [<ffffffff86d8f0d2>] irq_exit_rcu+0xa2/0xf0
[   23.557971][  T187] ---[ end trace 0000000000000000 ]---
[   26.669083][  T187] netconsole selftest: netcons_vox6a
[   30.713265][  T187] netconsole selftest: netcons_vox6a
[   34.752752][  T187] netconsole selftest: netcons_vox6a