[    2.623450] ip (259) used greatest stack depth: 12296 bytes left
[    2.843453] ip_local_port_range: prefer different parity for start/end values.
[    4.369866] ------------[ cut here ]------------
[    4.369947] refcount_t: underflow; use-after-free.
[    4.369998] WARNING: CPU: 0 PID: 69 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    4.370060] Modules linked in: nf_conntrack_netlink xt_REDIRECT tcp_diag inet_diag nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xt_tcpudp nft_compat nf_tables x_tables veth
[    4.370190] CPU: 0 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    4.370252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.370296] Workqueue: netns cleanup_net
[    4.370325] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    4.370369] Code: b8 e8 18 ed b9 ff 90 0f 0b 90 90 c3 80 3d d9 ea ea 00 00 75 89 c6 05 d0 ea ea 00 01 90 48 c7 c7 78 de 51 b8 e8 f5 ec b9 ff 90 <0f> 0b 90 90 c3 80 3d b4 ea ea 00 00 0f 85 62 ff ff ff c6 05 a7 ea
[    4.370512] RSP: 0018:ffffb07b80267d50 EFLAGS: 00010286
[    4.370545] RAX: 0000000000000000 RBX: ffffb07b80267d60 RCX: 00000000ffffdfff
[    4.370601] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    4.370656] RBP: ffffb07b80267868 R08: ffffffffb8956d28 R09: 00000000ffffdfff
[    4.370722] R10: ffffffffb8876d40 R11: ffffffffb8926d40 R12: dead000000000122
[    4.370793] R13: 00000000fffb7cad R14: 0000000000000001 R15: ffff95108112e000
[    4.370856] FS:  0000000000000000(0000) GS:ffff951105bd8000(0000) knlGS:0000000000000000
[    4.370920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.370980] CR2: 00007f7f336e0000 CR3: 0000000025241005 CR4: 0000000000772ef0
[    4.371032] PKRU: 55555554
[    4.371053] Call Trace:
[    4.371080]  <TASK>
[    4.371109]  netdev_run_todo+0x21a/0x550
[    4.371144]  ops_undo_list+0x1e3/0x1f0
[    4.371176]  cleanup_net+0x1b7/0x2b0
[    4.371207]  process_one_work+0x162/0x380
[    4.371242]  worker_thread+0x299/0x3c0
[    4.371275]  ? rescuer_thread+0x4c0/0x4c0
[    4.371306]  kthread+0x101/0x1f0
[    4.371338]  ? kthreads_online_cpu+0x110/0x110
[    4.371378]  ? kthreads_online_cpu+0x110/0x110
[    4.371417]  ret_from_fork+0x11c/0x140
[    4.371457]  ? kthreads_online_cpu+0x110/0x110
[    4.371493]  ret_from_fork_asm+0x11/0x20
[    4.371527]  </TASK>
[    4.371543] ---[ end trace 0000000000000000 ]---