bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): Released all slaves
bond1 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1049 at net/l2tp/l2tp_core.c:1881 l2tp_exit_net+0x165/0x170 net/l2tp/l2tp_core.c:1881
Modules linked in:
CPU: 1 UID: 0 PID: 1049 Comm: kworker/u8:5 Not tainted 6.11.0-rc6-syzkaller-01251-g525034e2e2ee #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: netns cleanup_net
RIP: 0010:l2tp_exit_net+0x165/0x170 net/l2tp/l2tp_core.c:1881
Code: 0f 0b 90 e9 3b ff ff ff e8 48 90 b0 f6 eb 05 e8 41 90 b0 f6 90 0f 0b 90 e9 7a ff ff ff e8 33 90 b0 f6 eb 05 e8 2c 90 b0 f6 90 <0f> 0b 90 eb b5 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003dc7a98 EFLAGS: 00010293
RAX: ffffffff8ae2fc7d RBX: ffff88802ec8c088 RCX: ffff88802784da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc90003dc7bb0 R08: ffffffff8bb2de16 R09: 1ffffffff2031025
R10: dffffc0000000000 R11: fffffbfff2031026 R12: dffffc0000000000
R13: 1ffffffff1fd274c R14: ffff88802ec8c130 R15: ffff88802ec8c040
FS:  0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34bce656c0 CR3: 000000002ef3a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x802/0xcc0 net/core/net_namespace.c:626
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd10 kernel/workqueue.c:3389
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>