bond5 (unregistering): (slave bridge12): Releasing backup interface
bond5 (unregistering): (slave bridge11): Releasing backup interface
bond5 (unregistering): Released all slaves
bond4 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 26784 at net/core/dev.c:10870 unregister_netdevice_many+0x151f/0x1a30
Modules linked in:
CPU: 1 PID: 26784 Comm: kworker/u4:0 Not tainted 6.1.0-rc4-syzkaller-00011-g59f2f4b8a757 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: netns cleanup_net
RIP: 0010:unregister_netdevice_many+0x151f/0x1a30 net/core/dev.c:10870
Code: a1 f9 48 8b 7c 24 20 48 8b 3f 48 3b 7c 24 10 0f 84 12 01 00 00 48 89 fb e8 9e ff 4c f9 48 89 d9 e9 06 f6 ff ff e8 91 ff 4c f9 <0f> 0b e9 1c ff ff ff e8 85 ff 4c f9 0f 0b e9 70 ff ff ff e8 79 ff
RSP: 0018:ffffc900161ff8e0 EFLAGS: 00010293
RAX: ffffffff883cb6bf RBX: ffff88802cdc40a0 RCX: ffff88802cc61d40
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900161ffa50 R08: ffffffff883cb595 R09: fffffbfff1bbb6ed
R10: fffffbfff1bbb6ed R11: 1ffffffff1bbb6ec R12: ffff888036213080
R13: 0000000000000002 R14: dffffc0000000000 R15: ffff88802cdc4000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d458de60c0 CR3: 0000000084eb5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 default_device_exit_batch+0x660/0x6d0 net/core/dev.c:11341
 ops_exit_list net/core/net_namespace.c:174 [inline]
 cleanup_net+0x80c/0xc50 net/core/net_namespace.c:601
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>