bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves bond19 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 29161 at net/core/dev.c:10870 unregister_netdevice_many+0x140e/0x1930 net/core/dev.c:10870 Modules linked in: CPU: 1 PID: 29161 Comm: kworker/u4:0 Not tainted 6.1.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: netns cleanup_net RIP: 0010:unregister_netdevice_many+0x140e/0x1930 net/core/dev.c:10870 Code: c2 1a 00 00 48 c7 c6 00 bc f4 8a 48 c7 c7 00 bd f4 8a c6 05 18 89 73 06 01 e8 bc 2e f1 01 0f 0b e9 7a f9 ff ff e8 52 bd 23 fa <0f> 0b e9 51 f9 ff ff e8 96 10 70 fa e9 b9 ed ff ff 4c 89 ef e8 b9 RSP: 0018:ffffc90010f57a58 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000007d66eb01 RCX: 0000000000000000 RDX: ffff888029943a80 RSI: ffffffff8758ef2e RDI: 0000000000000001 RBP: ffff88807362fa80 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88807362fa80 R14: ffff8880290bc000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00caaaac0 CR3: 000000000bc8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 00000000000000fa DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: default_device_exit_batch+0x449/0x590 net/core/dev.c:11341 ops_exit_list+0x125/0x170 net/core/net_namespace.c:174 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:601 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306