bridge0: port 1(bridge_slave_0) entered disabled state veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode bond8 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 56 at net/core/dev.c:10869 unregister_netdevice_many_notify+0x1463/0x1910 net/core/dev.c:10869 Modules linked in: CPU: 0 PID: 56 Comm: kworker/u4:4 Not tainted 6.3.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: netns cleanup_net RIP: 0010:unregister_netdevice_many_notify+0x1463/0x1910 net/core/dev.c:10869 Code: b1 1a 00 00 48 c7 c6 00 f2 5c 8b 48 c7 c7 40 f2 5c 8b c6 05 1d 11 51 06 01 e8 d9 36 3a f9 0f 0b e9 25 f7 ff ff e8 3d 1a 72 f9 <0f> 0b e9 fc f6 ff ff e8 31 60 c3 f9 e9 7b ed ff ff 4c 89 ef e8 84 RSP: 0018:ffffc90001577a38 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000002b634c01 RCX: 0000000000000000 RDX: ffff888017e43a80 RSI: ffffffff8811bb53 RDI: 0000000000000001 RBP: ffff8880273b9480 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880273b9480 R14: ffff88804a0cc000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ee25457950 CR3: 000000000c571000 CR4: 00000000003506f0 DR0: 000000000000ef61 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: unregister_netdevice_many net/core/dev.c:10899 [inline] default_device_exit_batch+0x451/0x5b0 net/core/dev.c:11352 ops_exit_list+0x125/0x170 net/core/net_namespace.c:174 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:613 process_one_work+0x991/0x1710 kernel/workqueue.c:2390 worker_thread+0x669/0x1090 kernel/workqueue.c:2537 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308