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: 1 PID: 8127 at net/core/dev.c:10869 unregister_netdevice_many_notify+0x1426/0x1940 Modules linked in: CPU: 1 PID: 8127 Comm: kworker/u4:59 Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #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+0x1426/0x1940 net/core/dev.c:10869 Code: 4a f9 48 8b 7c 24 30 48 8b 3f 48 3b 7c 24 10 0f 84 3c 01 00 00 48 89 fb e8 17 07 f5 f8 48 89 d9 e9 58 f5 ff ff e8 0a 07 f5 f8 <0f> 0b e9 4e ff ff ff e8 fe 06 f5 f8 0f 0b eb 9e e8 f5 06 f5 f8 c6 RSP: 0018:ffffc9000bb878a0 EFLAGS: 00010293 RAX: ffffffff88956616 RBX: ffff88801c9500a0 RCX: ffff88801d5757c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000bb87a70 R08: ffffffff8895651e R09: fffffbfff1c11499 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801c950c00 R13: ffff888020cc9b10 R14: dffffc0000000000 R15: ffff88801c950000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f296423b9b0 CR3: 0000000029bc0000 CR4: 00000000003506e0 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+0x5c4/0x630 net/core/dev.c:11352 ops_exit_list net/core/net_namespace.c:174 [inline] cleanup_net+0x767/0xb80 net/core/net_namespace.c:613 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2390 worker_thread+0xa63/0x1210 kernel/workqueue.c:2537 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308