[    2.683272] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    2.720199] br0: port 1(veth0) entered blocking state
[    2.720281] br0: port 1(veth0) entered disabled state
[    2.720342] veth0: entered allmulticast mode
[    2.720428] veth0: entered promiscuous mode
[    2.732095] br0: port 2(veth1) entered blocking state
[    2.732208] br0: port 2(veth1) entered disabled state
[    2.732305] veth1: entered allmulticast mode
[    2.732426] veth1: entered promiscuous mode
[    2.765988] br0: port 1(veth0) entered blocking state
[    2.766058] br0: port 1(veth0) entered forwarding state
[    2.777595] br0: port 2(veth1) entered blocking state
[    2.777717] br0: port 2(veth1) entered forwarding state
[    4.149305] veth1: left allmulticast mode
[    4.149356] veth1: left promiscuous mode
[    4.149403] br0: port 2(veth1) entered disabled state
[    4.149622] veth0: left allmulticast mode
[    4.149673] veth0: left promiscuous mode
[    4.149727] br0: port 1(veth0) entered disabled state
[    4.168238] ------------[ cut here ]------------
[    4.168306] refcount_t: underflow; use-after-free.
[    4.168363] WARNING: CPU: 0 PID: 67 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[    4.168430] Modules linked in: ebtable_filter ebt_redirect ebt_ip ebtable_broute ebtables x_tables bridge stp llc veth
[    4.168514] CPU: 0 UID: 0 PID: 67 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[    4.168584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    4.168633] Workqueue: netns cleanup_net
[    4.168684] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[    4.168741] Code: 95 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 f1 95 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
[    4.168922] RSP: 0018:ffffa207c0257d50 EFLAGS: 00010286
[    4.169002] RAX: 0000000000000000 RBX: ffffa207c0257d60 RCX: 00000000ffffdfff
[    4.169058] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[    4.169110] RBP: ffffa207c0257868 R08: ffffffff96356d28 R09: 00000000ffffdfff
[    4.169169] R10: ffffffff96276d40 R11: ffffffff96326d40 R12: dead000000000122
[    4.169233] R13: 00000000fffb7bc8 R14: 0000000000000001 R15: ffff94954112c000
[    4.169307] FS:  0000000000000000(0000) GS:ffff9495e81d8000(0000) knlGS:0000000000000000
[    4.169368] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    4.169414] CR2: 00007fc1ad3c2760 CR3: 000000002fa41005 CR4: 0000000000772ef0
[    4.169477] PKRU: 55555554
[    4.169499] Call Trace:
[    4.169518]  <TASK>
[    4.169539]  netdev_run_todo+0x21a/0x550
[    4.169576]  ops_undo_list+0x1e3/0x1f0
[    4.169614]  cleanup_net+0x1b7/0x2b0
[    4.169646]  process_one_work+0x162/0x380
[    4.169681]  worker_thread+0x299/0x3c0
[    4.169713]  ? rescuer_thread+0x4c0/0x4c0
[    4.169755]  kthread+0x101/0x1f0
[    4.169789]  ? kthreads_online_cpu+0x110/0x110
[    4.169830]  ? kthreads_online_cpu+0x110/0x110
[    4.169870]  ret_from_fork+0x11c/0x140
[    4.169918]  ? kthreads_online_cpu+0x110/0x110
[    4.169958]  ret_from_fork_asm+0x11/0x20
[    4.169995]  </TASK>
[    4.170017] ---[ end trace 0000000000000000 ]---