[    2.325574] veth0: renamed from veth-rt-1
[    2.455810] veth0: renamed from veth-rt-2
[    4.180349] ------------[ cut here ]------------
[    4.180466] refcount_t: underflow; use-after-free.
[    4.180563] WARNING: CPU: 2 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    4.180684] Modules linked in: ip6t_rpfilter nft_compat nf_tables
[    4.180786] CPU: 2 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    4.180904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.180997] Workqueue: netns cleanup_net
[    4.181069] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    4.181149] Code: 86 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 86 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
[    4.181364] RSP: 0018:ffffbb33c0257d50 EFLAGS: 00010286
[    4.181459] RAX: 0000000000000000 RBX: ffffbb33c0257d60 RCX: 00000000ffffdfff
[    4.181572] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    4.181692] RBP: ffffbb33c0257858 R08: ffffffff8775ba28 R09: 00000000ffffdfff
[    4.181825] R10: ffffffff8767ba40 R11: ffffffff8772ba40 R12: dead000000000122
[    4.181937] R13: 00000000fffb7bf2 R14: 0000000000000001 R15: ffff968305cc7000
[    4.182054] FS:  0000000000000000(0000) GS:ffff9683b6e91000(0000) knlGS:0000000000000000
[    4.182195] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.182310] CR2: 00000000004061e9 CR3: 000000000315c002 CR4: 0000000000772ef0
[    4.182431] PKRU: 55555554
[    4.182499] Call Trace:
[    4.182562]  <TASK>
[    4.182623]  netdev_run_todo+0x21a/0x550
[    4.182708]  ops_undo_list+0x1e3/0x1f0
[    4.182780]  cleanup_net+0x1b7/0x300
[    4.182853]  process_one_work+0x162/0x380
[    4.182930]  worker_thread+0x299/0x3c0
[    4.183002]  ? rescuer_thread+0x4c0/0x4c0
[    4.183072]  kthread+0x101/0x1f0
[    4.183145]  ? kthreads_online_cpu+0x110/0x110
[    4.183228]  ? kthreads_online_cpu+0x110/0x110
[    4.183320]  ret_from_fork+0x11c/0x140
[    4.183395]  ? kthreads_online_cpu+0x110/0x110
[    4.183494]  ret_from_fork_asm+0x11/0x20
[    4.183571]  </TASK>
[    4.183631] ---[ end trace 0000000000000000 ]---