bond0 (unregistering): (slave bridge5): Releasing backup interface
device bridge5 left promiscuous mode
bond0 (unregistering): (slave bridge4): Releasing backup interface
device bridge4 left promiscuous mode
bond9 (unregistering): Released all slaves
bond8 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8 at net/core/dev.c:10430 unregister_netdevice_many+0x1382/0x1850 net/core/dev.c:10430
Modules linked in:
CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:unregister_netdevice_many+0x1382/0x1850 net/core/dev.c:10430
Code: 23 1a 00 00 48 c7 c6 c0 ac ad 8a 48 c7 c7 00 ad ad 8a c6 05 0f 81 51 06 01 e8 45 fa d6 01 0f 0b e9 7d f9 ff ff e8 5e 24 4c fa <0f> 0b e9 54 f9 ff ff e8 42 8b 93 fa e9 45 ee ff ff 4c 89 ef e8 65
RSP: 0018:ffffc90000cd7a28 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000777b5401 RCX: 0000000000000000
RDX: ffff888011945700 RSI: ffffffff872b8692 RDI: 0000000000000003
RBP: ffff88807f305600 R08: 0000000000000000 R09: 00000000777b5401
R10: ffffffff872b7fe5 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807f305600 R14: ffff8880455e4000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4a24f47320 CR3: 000000007fac8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:10937
 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171
 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:595
 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>