[    2.352060] veth0: renamed from veth-rt-1
[    2.486843] veth0: renamed from veth-rt-2
[   29.960775] ------------[ cut here ]------------
[   29.960847] refcount_t: underflow; use-after-free.
[   29.960911] WARNING: CPU: 3 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   29.961000] Modules linked in:
[   29.961053] CPU: 3 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   29.961144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.961208] Workqueue: netns cleanup_net
[   29.961255] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   29.961306] Code: 95 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 b5 95 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
[   29.961484] RSP: 0018:ffffbd404024fd50 EFLAGS: 00010286
[   29.961533] RAX: 0000000000000000 RBX: ffffbd404024fd60 RCX: 00000000ffffdfff
[   29.961606] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   29.961681] RBP: ffffbd404024f858 R08: ffffffff9635ba28 R09: 00000000ffffdfff
[   29.961759] R10: ffffffff9627ba40 R11: ffffffff9632ba40 R12: dead000000000122
[   29.961836] R13: 00000000fffbe0aa R14: 0000000000000001 R15: ffff94c845362000
[   29.961911] FS:  0000000000000000(0000) GS:ffff94c8e8311000(0000) knlGS:0000000000000000
[   29.961993] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.962051] CR2: 00007f117f402518 CR3: 0000000003688004 CR4: 0000000000772ef0
[   29.962127] PKRU: 55555554
[   29.962152] Call Trace:
[   29.962180]  <TASK>
[   29.962202]  netdev_run_todo+0x21a/0x550
[   29.962243]  ops_undo_list+0x1e3/0x1f0
[   29.962288]  cleanup_net+0x1b7/0x300
[   29.962326]  process_one_work+0x162/0x380
[   29.962371]  worker_thread+0x299/0x3c0
[   29.962414]  ? rescuer_thread+0x4c0/0x4c0
[   29.962452]  kthread+0x101/0x1f0
[   29.962489]  ? kthreads_online_cpu+0x110/0x110
[   29.962539]  ? kthreads_online_cpu+0x110/0x110
[   29.962589]  ret_from_fork+0x11c/0x140
[   29.962634]  ? kthreads_online_cpu+0x110/0x110
[   29.962683]  ret_from_fork_asm+0x11/0x20
[   29.962740]  </TASK>
[   29.962763] ---[ end trace 0000000000000000 ]---