netdevsim netdevsim0 netdevsim0 (unregistering): left promiscuous mode
netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
1
WARNING: drivers/net/netdevsim/netdev.c:1202 at nsim_destroy+0x510/0x830, CPU#0: kworker/u8:1/13
Modules linked in:
CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:nsim_destroy+0x510/0x830
Code: c4 48 89 c6 48 81 e6 00 f0 00 00 31 ff e8 18 0d a0 fa 4c 89 e0 48 25 00 f0 00 00 74 0c e8 28 08 a0 fa eb 2e e8 21 08 a0 fa 90 <0f> 0b 90 41 ff c4 41 0f b7 d4 be 00 10 00 00 4c 89 ff e8 f9 ba 8a
RSP: 0018:ffffc90000127608 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888161aece10 RCX: ffff888102af5880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff903366f7 R09: 1ffffffff2066cde
R10: dffffc0000000000 R11: fffffbfff2066cdf R12: 0000000000000000
R13: ffff888161aec000 R14: ffff888161aece00 R15: ffff888161aed548
FS:  0000000000000000(0000) GS:ffff88818dc1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f01523e74a0 CR3: 00000001b91ea000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __nsim_dev_port_del+0x14f/0x200
 nsim_dev_reload_destroy+0x288/0x490
 nsim_dev_reload_down+0x8a/0xc0
 devlink_reload+0x1eb/0x8c0
 devlink_pernet_pre_exit+0x1ff/0x420
 ops_undo_list+0x187/0x940
 cleanup_net+0x56b/0x800
 process_scheduled_works+0xb5d/0x1860
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
