[ 91.478265][ T1006] netdevsim netdevsim714 eni714np1: renamed from eth1
[ 91.486032][ T1003] netdevsim netdevsim287 eni287np1: renamed from eth0
[ 92.013824][ T1020] 8021q: adding VLAN 0 to HW filter on device eni287np1
[ 92.016872][ T1020] ip (1020) used greatest stack depth: 24576 bytes left
[ 92.056011][ T1021] 8021q: adding VLAN 0 to HW filter on device eni714np1
[ 93.157783][ T994] ------------[ cut here ]------------
[ 93.158051][ T994] WARNING: drivers/net/netdevsim/netdev.c:1234 at nsim_destroy+0x128/0x780 [netdevsim], CPU#1: busy_poll_test./994
[ 93.158445][ T994] Modules linked in: netdevsim psample
[ 93.158642][ T994] CPU: 1 UID: 0 PID: 994 Comm: busy_poll_test. Not tainted 7.0.0-rc2-virtme #1 PREEMPT(full)
[ 93.158944][ T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 93.159135][ T994] RIP: 0010:nsim_destroy+0x128/0x780 [netdevsim]
[ 93.159333][ T994] 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 c3 93 e5 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 1e d2 e4
[ 93.159866][ T994] RSP: 0018:ffa0000001f579b8 EFLAGS: 00010293
[ 93.160060][ T994] RAX: 0000000000000000 RBX: ff1100000f61ad40 RCX: ff1100000f61b488
[ 93.160281][ T994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: dffffc0000000000
[ 93.160507][ T994] RBP: ff1100000f61b488 R08: ff1100000f61b488 R09: 0000000000000000
[ 93.160731][ T994] R10: 1fe2200001ec3691 R11: ffa0000001f57890 R12: ff1100000c7fa498
[ 93.160958][ T994] R13: dffffc0000000000 R14: ff1100000c7fa000 R15: ffffffffc0449380
[ 93.161184][ T994] FS: 00007fe2fea73bc0(0000) GS:ff110000c3255000(0000) knlGS:0000000000000000
[ 93.161452][ T994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.161638][ T994] CR2: 000055da5073cc20 CR3: 000000000f10b006 CR4: 0000000000771ef0
[ 93.161866][ T994] PKRU: 55555554
[ 93.161981][ T994] Call Trace:
[ 93.162100][ T994]
[ 93.162178][ T994] ? rcu_is_watching+0x15/0xd0
[ 93.162334][ T994] __nsim_dev_port_del+0x17c/0x2c0 [netdevsim]
[ 93.162526][ T994] ? devl_lock_is_held+0x1a/0x20
[ 93.162676][ T994] nsim_dev_reload_destroy+0xd0/0x470 [netdevsim]
[ 93.162864][ T994] nsim_drv_remove+0x4e/0x1e0 [netdevsim]
[ 93.163013][ T994] device_release_driver_internal+0x3b6/0x570
[ 93.163208][ T994] ? sysfs_file_ops+0x140/0x140
[ 93.163355][ T994] bus_remove_device+0x1ec/0x3f0
[ 93.163508][ T994] ? sysfs_file_ops+0x140/0x140
[ 93.163654][ T994] device_del+0x324/0x8c0
[ 93.163770][ T994] ? __device_link_del+0x500/0x500
[ 93.163920][ T994] ? sysfs_file_ops+0x140/0x140
[ 93.164070][ T994] device_unregister+0x17/0xb0
[ 93.164219][ T994] del_device_store+0x2fb/0x580 [netdevsim]
[ 93.164410][ T994] ? sysfs_file_kobj+0xb3/0x1e0
[ 93.164556][ T994] ? nsim_bus_dev_numvfs_show+0x80/0x80 [netdevsim]
[ 93.164739][ T994] ? sysfs_file_kobj+0xbd/0x1e0
[ 93.164888][ T994] ? sysfs_kf_write+0x65/0x160
[ 93.165035][ T994] kernfs_fop_write_iter+0x335/0x510
[ 93.165188][ T994] ? kernfs_ops+0xf0/0xf0
[ 93.165299][ T994] new_sync_write+0x308/0x6f0
[ 93.165452][ T994] ? new_sync_read+0x6f0/0x6f0
[ 93.165600][ T994] ? lock_acquire.part.0+0xbc/0x260
[ 93.165749][ T994] ? ksys_write+0xff/0x200
[ 93.165901][ T994] vfs_write+0x65e/0xbb0
[ 93.166015][ T994] ksys_write+0xff/0x200
[ 93.166132][ T994] ? __ia32_sys_read+0xc0/0xc0
[ 93.166280][ T994] ? do_raw_spin_unlock+0x59/0x250
[ 93.166438][ T994] ? rcu_is_watching+0x15/0xd0
[ 93.166588][ T994] do_syscall_64+0x117/0xfc0
[ 93.166740][ T994] ? exc_page_fault+0xaf/0xd0
[ 93.166887][ T994] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 93.167072][ T994] RIP: 0033:0x7fe2feae3c5e
[ 93.167228][ T994] 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 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[ 93.167760][ T994] RSP: 002b:00007ffca497a130 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 93.167981][ T994] RAX: ffffffffffffffda RBX: 00007fe2fec5f5c0 RCX: 00007fe2feae3c5e
[ 93.168204][ T994] RDX: 0000000000000004 RSI: 000055da5073cc20 RDI: 0000000000000001
[ 93.168430][ T994] RBP: 00007ffca497a140 R08: 0000000000000000 R09: 0000000000000000
[ 93.168653][ T994] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
[ 93.168872][ T994] R13: 0000000000000004 R14: 000055da5073cc20 R15: 000055da50701690
[ 93.169102][ T994]
[ 93.169216][ T994] irq event stamp: 143569
[ 93.169330][ T994] hardirqs last enabled at (143577): [] __up_console_sem+0x5a/0x70
[ 93.169589][ T994] hardirqs last disabled at (143586): [] __up_console_sem+0x3f/0x70
[ 93.169846][ T994] softirqs last enabled at (143178): [] handle_softirqs+0x60c/0x920
[ 93.170106][ T994] softirqs last disabled at (143173): [] irq_exit_rcu+0xa2/0xf0
[ 93.170367][ T994] ---[ end trace 0000000000000000 ]---