[    2.446371] veth0: renamed from veth-rt-1
[    2.574196] veth0: renamed from veth-rt-2
[    3.278741] ip (337) used greatest stack depth: 11928 bytes left
[   31.587365] ------------[ cut here ]------------
[   31.587453] refcount_t: underflow; use-after-free.
[   31.587520] WARNING: CPU: 0 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   31.587587] Modules linked in:
[   31.587621] CPU: 0 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   31.587696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.587739] Workqueue: netns cleanup_net
[   31.587786] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   31.587859] 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 15 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
[   31.587999] RSP: 0018:ffffa4dac024fd50 EFLAGS: 00010286
[   31.588034] RAX: 0000000000000000 RBX: ffffa4dac024fd60 RCX: 00000000ffffdfff
[   31.588087] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   31.588144] RBP: ffffa4dac024f858 R08: ffffffff9195ba28 R09: 00000000ffffdfff
[   31.588214] R10: ffffffff9187ba40 R11: ffffffff9192ba40 R12: dead000000000122
[   31.588284] R13: 00000000fffbe6fe R14: 0000000000000001 R15: ffff90cb4438a000
[   31.588358] FS:  0000000000000000(0000) GS:ffff90cbecb91000(0000) knlGS:0000000000000000
[   31.588434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.588489] CR2: 00007fb460b01800 CR3: 0000000001b29002 CR4: 0000000000772ef0
[   31.588551] PKRU: 55555554
[   31.588581] Call Trace:
[   31.588607]  <TASK>
[   31.588638]  netdev_run_todo+0x21a/0x550
[   31.588677]  ops_undo_list+0x1e3/0x1f0
[   31.588715]  cleanup_net+0x1b7/0x300
[   31.588749]  process_one_work+0x162/0x380
[   31.588786]  worker_thread+0x299/0x3c0
[   31.588817]  ? rescuer_thread+0x4c0/0x4c0
[   31.588847]  kthread+0x101/0x1f0
[   31.588879]  ? kthreads_online_cpu+0x110/0x110
[   31.588919]  ? kthreads_online_cpu+0x110/0x110
[   31.588964]  ret_from_fork+0x11c/0x140
[   31.589000]  ? kthreads_online_cpu+0x110/0x110
[   31.589039]  ret_from_fork_asm+0x11/0x20
[   31.589077]  </TASK>
[   31.589115] ---[ end trace 0000000000000000 ]---