[   32.779663] ip (338) used greatest stack depth: 12328 bytes left
[   33.009739] veth0: renamed from veth-rt-1
[   33.161243] veth0: renamed from veth-rt-2
[   33.267360] ip (379) used greatest stack depth: 12136 bytes left
[   61.652202] ------------[ cut here ]------------
[   61.652293] refcount_t: underflow; use-after-free.
[   61.652376] WARNING: CPU: 3 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   61.652464] Modules linked in:
[   61.652507] CPU: 3 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   61.652599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.652672] Workqueue: netns cleanup_net
[   61.652721] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   61.652779] Code: 91 e8 e8 54 ba ff 90 0f 0b 90 90 c3 80 3d 00 e6 2b 01 00 75 89 c6 05 f7 e5 2b 01 01 90 48 c7 c7 f8 48 55 91 e8 c5 54 ba ff 90 <0f> 0b 90 90 c3 80 3d db e5 2b 01 00 0f 85 62 ff ff ff c6 05 ce e5
[   61.652964] RSP: 0018:ffffa7954024fd50 EFLAGS: 00010286
[   61.653017] RAX: 0000000000000000 RBX: ffffa7954024fd60 RCX: 00000000ffffdfff
[   61.653102] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   61.653191] RBP: ffffa7954024f858 R08: ffffffff91d5ba28 R09: 00000000ffffdfff
[   61.653277] R10: ffffffff91c7ba40 R11: ffffffff91d2ba40 R12: dead000000000122
[   61.653358] R13: 00000000fffc5c6f R14: 0000000000000001 R15: ffff983ec4dc5000
[   61.653435] FS:  0000000000000000(0000) GS:ffff983f6c911000(0000) knlGS:0000000000000000
[   61.653518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.653586] CR2: 00007ffddcd05af8 CR3: 0000000005c04006 CR4: 0000000000772ef0
[   61.653666] PKRU: 55555554
[   61.653691] Call Trace:
[   61.653729]  <TASK>
[   61.653762]  netdev_run_todo+0x21a/0x550
[   61.653812]  ops_undo_list+0x1e3/0x1f0
[   61.653860]  cleanup_net+0x1b7/0x300
[   61.653907]  process_one_work+0x162/0x380
[   61.653960]  worker_thread+0x299/0x3c0
[   61.653999]  ? rescuer_thread+0x4c0/0x4c0
[   61.654046]  kthread+0x101/0x1f0
[   61.654096]  ? kthreads_online_cpu+0x110/0x110
[   61.654147]  ? kthreads_online_cpu+0x110/0x110
[   61.654215]  ret_from_fork+0x11c/0x140
[   61.654261]  ? kthreads_online_cpu+0x110/0x110
[   61.654318]  ret_from_fork_asm+0x11/0x20
[   61.654366]  </TASK>
[   61.654394] ---[ end trace 0000000000000000 ]---