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 bond4 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5997 at net/core/dev.c:10869 unregister_netdevice_many_notify+0x14cf/0x19f0 net/core/dev.c:10869 Modules linked in: CPU: 0 PID: 5997 Comm: kworker/u4:11 Not tainted 6.2.0-next-20230303-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: netns cleanup_net RIP: 0010:unregister_netdevice_many_notify+0x14cf/0x19f0 net/core/dev.c:10869 Code: b1 1a 00 00 48 c7 c6 c0 19 5d 8b 48 c7 c7 00 1a 5d 8b c6 05 9f e5 49 06 01 e8 0d c3 32 f9 0f 0b e9 01 f9 ff ff e8 51 50 6b f9 <0f> 0b e9 d8 f8 ff ff e8 d5 ba bd f9 e9 11 ed ff ff 4c 89 ef e8 28 RSP: 0018:ffffc900150cfa38 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000021f8a101 RCX: 0000000000000000 RDX: ffff88806e790000 RSI: ffffffff8819679f RDI: 0000000000000001 RBP: ffff888021d41c00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888021d41c00 R14: ffff88802b2e4000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd80e703300 CR3: 000000000c571000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 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+0x9bf/0x1820 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