[   15.498189] ------------[ cut here ]------------
[   15.498283] refcount_t: underflow; use-after-free.
[   15.498357] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   15.498451] Modules linked in: nft_redir nft_chain_nat nf_nat nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables veth
[   15.498600] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   15.498696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.498766] Workqueue: netns cleanup_net
[   15.498815] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   15.498873] Code: 9d 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 11 9d 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
[   15.499054] RSP: 0018:ffffa8ef40257d50 EFLAGS: 00010286
[   15.499105] RAX: 0000000000000000 RBX: ffffa8ef40257d60 RCX: 00000000ffffdfff
[   15.499190] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   15.499269] RBP: ffffa8ef40257868 R08: ffffffff9d556d28 R09: 00000000ffffdfff
[   15.499354] R10: ffffffff9d476d40 R11: ffffffff9d526d40 R12: dead000000000122
[   15.499431] R13: 00000000fffba82b R14: 0000000000000001 R15: ffff9696c2ed7000
[   15.499509] FS:  0000000000000000(0000) GS:ffff969760fd8000(0000) knlGS:0000000000000000
[   15.499585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.499646] CR2: 00005640ad72ddec CR3: 0000000001b64005 CR4: 0000000000772ef0
[   15.499723] PKRU: 55555554
[   15.499754] Call Trace:
[   15.499785]  <TASK>
[   15.499813]  netdev_run_todo+0x21a/0x550
[   15.499867]  ops_undo_list+0x1e3/0x1f0
[   15.499915]  cleanup_net+0x1b7/0x2b0
[   15.499953]  process_one_work+0x162/0x380
[   15.500005]  worker_thread+0x299/0x3c0
[   15.500047]  ? rescuer_thread+0x4c0/0x4c0
[   15.500085]  kthread+0x101/0x1f0
[   15.500126]  ? kthreads_online_cpu+0x110/0x110
[   15.500187]  ? kthreads_online_cpu+0x110/0x110
[   15.500240]  ret_from_fork+0x11c/0x140
[   15.500301]  ? kthreads_online_cpu+0x110/0x110
[   15.500357]  ret_from_fork_asm+0x11/0x20
[   15.500404]  </TASK>
[   15.500435] ---[ end trace 0000000000000000 ]---