[    1.806637] ------------[ cut here ]------------
[    1.806774] refcount_t: underflow; use-after-free.
[    1.806860] WARNING: CPU: 2 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    1.806957] Modules linked in: veth
[    1.807021] CPU: 2 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    1.807123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.807209] Workqueue: netns cleanup_net
[    1.807272] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    1.807343] Code: 8b e8 f8 c3 ba ff 90 0f 0b 90 90 c3 80 3d 39 c1 eb 00 00 75 89 c6 05 30 c1 eb 00 01 90 48 c7 c7 30 a0 91 8b e8 d5 c3 ba ff 90 <0f> 0b 90 90 c3 80 3d 14 c1 eb 00 00 0f 85 62 ff ff ff c6 05 07 c1
[    1.807514] RSP: 0018:ffffbffec0257d50 EFLAGS: 00010286
[    1.807593] RAX: 0000000000000000 RBX: ffffbffec0257d60 RCX: 00000000ffffdfff
[    1.807683] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    1.807773] RBP: ffffbffec0257880 R08: ffffffff8bd56a28 R09: 00000000ffffdfff
[    1.807862] R10: ffffffff8bc76a40 R11: ffffffff8bd26a40 R12: dead000000000122
[    1.807952] R13: 00000000fffb729c R14: 0000000000000001 R15: ffffa0c885c71000
[    1.808044] FS:  0000000000000000(0000) GS:ffffa0c9328e2000(0000) knlGS:0000000000000000
[    1.808136] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.808215] CR2: 0000000014140688 CR3: 0000000002f1d004 CR4: 0000000000772ef0
[    1.808306] PKRU: 55555554
[    1.808356] Call Trace:
[    1.808407]  <TASK>
[    1.808456]  netdev_run_todo+0x21a/0x550
[    1.808522]  ops_undo_list+0x1e3/0x1f0
[    1.808593]  cleanup_net+0x1b7/0x2b0
[    1.808656]  process_one_work+0x162/0x380
[    1.808722]  worker_thread+0x299/0x3c0
[    1.808784]  ? rescuer_thread+0x4c0/0x4c0
[    1.808846]  kthread+0x101/0x1f0
[    1.808908]  ? kthreads_online_cpu+0x110/0x110
[    1.808979]  ? kthreads_online_cpu+0x110/0x110
[    1.809051]  ret_from_fork+0x11c/0x140
[    1.809113]  ? kthreads_online_cpu+0x110/0x110
[    1.809184]  ret_from_fork_asm+0x11/0x20
[    1.809248]  </TASK>
[    1.809297] ---[ end trace 0000000000000000 ]---
[    2.700979] restore_ipv6 (226) used greatest stack depth: 12488 bytes left