bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves
------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 1 PID: 9656 at lib/refcount.c:31 refcount_warn_saturate+0x17c/0x1a0 lib/refcount.c:31
Modules linked in:
CPU: 0 PID: 9656 Comm: kworker/u4:8 Not tainted 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:refcount_warn_saturate+0x17c/0x1a0 lib/refcount.c:31
Code: d5 8a 31 c0 e8 a5 47 38 fd 0f 0b e9 64 ff ff ff e8 f9 6d 6e fd c6 05 f4 3a d5 09 01 48 c7 c7 80 02 d5 8a 31 c0 e8 84 47 38 fd <0f> 0b e9 43 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a2 fe ff
RSP: 0018:ffffc9000365f908 EFLAGS: 00010246
RAX: cacb0ff13751b600 RBX: 0000000000000004 RCX: ffff888018389d00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff8169fd72 R09: ffffed10173667b1
R10: ffffed10173667b1 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880856f05c8 R14: 1ffff11010ade0b9 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdf9ba4987 CR3: 000000001d95f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netdev_wait_allrefs net/core/dev.c:10498 [inline]
 netdev_run_todo+0x582/0xcf0 net/core/dev.c:10615
 default_device_exit_batch+0x450/0x4b0 net/core/dev.c:11608
 ops_exit_list net/core/net_namespace.c:171 [inline]
 cleanup_net+0x7ec/0xc50 net/core/net_namespace.c:593
 process_one_work+0x853/0x1140 kernel/workqueue.c:2298
 worker_thread+0xac1/0x1320 kernel/workqueue.c:2445
 kthread+0x468/0x490 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30
 </TASK>