bond4 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4100 at net/core/dev.c:10430 unregister_netdevice_many+0x1382/0x1850 net/core/dev.c:10430 Modules linked in: CPU: 0 PID: 4100 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+0x1382/0x1850 net/core/dev.c:10430 Code: 23 1a 00 00 48 c7 c6 00 c0 ad 8a 48 c7 c7 40 c0 ad 8a c6 05 75 c1 50 06 01 e8 e5 6c d7 01 0f 0b e9 7d f9 ff ff e8 de 3d 4b fa <0f> 0b e9 54 f9 ff ff e8 e2 a8 92 fa e9 45 ee ff ff 4c 89 ef e8 05 RSP: 0018:ffffc9000526fa28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000007a189401 RCX: 0000000000000000 RDX: ffff8880525f0000 RSI: ffffffff872c73f2 RDI: 0000000000000003 RBP: ffff888020595200 R08: 0000000000000000 R09: 000000007a189401 R10: ffffffff872c6d45 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888020595200 R14: ffff888050144000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 0000000055d7b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: default_device_exit_batch+0x2fa/0x3c0 net/core/dev.c:10937 ops_exit_list+0x10d/0x160 net/core/net_namespace.c:171 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:595 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