[    2.108991] ip (264) used greatest stack depth: 12424 bytes left
[    2.142676] ip (269) used greatest stack depth: 12136 bytes left
[    2.275779] veth0: renamed from veth-rt-1
[    2.403635] veth0: renamed from veth-rt-2
[   56.835422] ------------[ cut here ]------------
[   56.835478] refcount_t: underflow; use-after-free.
[   56.835534] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   56.835599] Modules linked in:
[   56.835632] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   56.835699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.835747] Workqueue: netns cleanup_net
[   56.835792] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   56.835827] Code: bd 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 f5 bd 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
[   56.835946] RSP: 0018:ffffb41580257d50 EFLAGS: 00010286
[   56.835984] RAX: 0000000000000000 RBX: ffffb41580257d60 RCX: 00000000ffffdfff
[   56.836039] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   56.836086] RBP: ffffb41580257858 R08: ffffffffbe75ba28 R09: 00000000ffffdfff
[   56.836134] R10: ffffffffbe67ba40 R11: ffffffffbe72ba40 R12: dead000000000122
[   56.836183] R13: 00000000fffc49a3 R14: 0000000000000001 R15: ffff99f0c53aa000
[   56.836236] FS:  0000000000000000(0000) GS:ffff99f13fd91000(0000) knlGS:0000000000000000
[   56.836292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.836344] CR2: 00007f42d8de6000 CR3: 0000000007046006 CR4: 0000000000772ef0
[   56.836399] PKRU: 55555554
[   56.836421] Call Trace:
[   56.836439]  <TASK>
[   56.836459]  netdev_run_todo+0x21a/0x550
[   56.836494]  ops_undo_list+0x1e3/0x1f0
[   56.836522]  cleanup_net+0x1b7/0x300
[   56.836552]  process_one_work+0x162/0x380
[   56.836589]  worker_thread+0x299/0x3c0
[   56.836619]  ? rescuer_thread+0x4c0/0x4c0
[   56.836650]  kthread+0x101/0x1f0
[   56.836682]  ? kthreads_online_cpu+0x110/0x110
[   56.836732]  ? kthreads_online_cpu+0x110/0x110
[   56.836771]  ret_from_fork+0x11c/0x140
[   56.836812]  ? kthreads_online_cpu+0x110/0x110
[   56.836850]  ret_from_fork_asm+0x11/0x20
[   56.836888]  </TASK>
[   56.836909] ---[ end trace 0000000000000000 ]---