bond0 (unregistering): (slave bond14): Releasing backup interface bond14 (unregistering): Released all slaves bond0 (unregistering): (slave bond13): Releasing backup interface bond13 (unregistering): Released all slaves bond12 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4317 at net/core/dev.c:11103 unregister_netdevice_many+0x132f/0x1790 net/core/dev.c:11103 Modules linked in: CPU: 1 PID: 4317 Comm: kworker/u4:7 Not tainted 5.16.0-rc5-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+0x132f/0x1790 net/core/dev.c:11103 Code: b5 1c 00 00 48 c7 c6 00 88 ad 8a 48 c7 c7 40 88 ad 8a c6 05 6e cd 50 06 01 e8 d8 be d5 01 0f 0b e9 ba f9 ff ff e8 d1 af 4b fa <0f> 0b e9 91 f9 ff ff e8 95 78 92 fa e9 98 ee ff ff 4c 89 ef e8 b8 RSP: 0018:ffffc900065cfa28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000004e56c901 RCX: 0000000000000000 RDX: ffff88807ce50000 RSI: ffffffff872c01ff RDI: 0000000000000003 RBP: ffff88801a245100 R08: 0000000000000000 R09: 000000004e56c901 R10: ffffffff872bfb8f R11: 0000000000000000 R12: 0000000000000000 R13: ffff888049d4c000 R14: dffffc0000000000 R15: ffff88801a245100 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbfaca5485e CR3: 000000007f6a7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:11610 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:593 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