[    2.555255] br1: port 1(veth1) entered blocking state
[    2.555370] br1: port 1(veth1) entered disabled state
[    2.555439] veth1: entered allmulticast mode
[    2.555530] veth1: entered promiscuous mode
[    2.565684] br1: port 1(veth1) entered blocking state
[    2.565756] br1: port 1(veth1) entered forwarding state
[    2.575814] br1: port 2(veth2) entered blocking state
[    2.575930] br1: port 2(veth2) entered disabled state
[    2.576014] veth2: entered allmulticast mode
[    2.576120] veth2: entered promiscuous mode
[    2.586027] br1: port 2(veth2) entered blocking state
[    2.586105] br1: port 2(veth2) entered forwarding state
[    9.722592] tc (343) used greatest stack depth: 11840 bytes left
[    9.753292] GACT probability NOT on
[   39.284238] br1: port 2(veth2) entered disabled state
[   39.294669] veth2: left allmulticast mode
[   39.294733] veth2: left promiscuous mode
[   39.294777] br1: port 2(veth2) entered disabled state
[   39.305108] br1: port 1(veth1) entered disabled state
[   39.315821] veth1: left allmulticast mode
[   39.315896] veth1: left promiscuous mode
[   39.315948] br1: port 1(veth1) entered disabled state
[   39.353587] ------------[ cut here ]------------
[   39.353730] refcount_t: underflow; use-after-free.
[   39.353802] WARNING: CPU: 0 PID: 1697 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   39.353888] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth
[   39.353978] CPU: 0 UID: 0 PID: 1697 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   39.354062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.354119] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   39.354166] Code: 8d e8 18 df ba ff 90 0f 0b 90 90 c3 80 3d f9 da eb 00 00 75 89 c6 05 f0 da eb 00 01 90 48 c7 c7 28 e0 f1 8d e8 f5 de ba ff 90 <0f> 0b 90 90 c3 80 3d d4 da eb 00 00 0f 85 62 ff ff ff c6 05 c7 da
[   39.354311] RSP: 0018:ffffb2c481a17730 EFLAGS: 00010282
[   39.354358] RAX: 0000000000000000 RBX: ffffb2c481a17740 RCX: 00000000ffffdfff
[   39.354426] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   39.354505] RBP: ffffb2c481a17248 R08: ffffffff8e356a28 R09: 00000000ffffdfff
[   39.354591] R10: ffffffff8e276a40 R11: ffffffff8e326a40 R12: dead000000000122
[   39.354658] R13: 00000000fffc0554 R14: 0000000000000001 R15: ffffa05f83c1c000
[   39.354731] FS:  00007f41ba9a9800(0000) GS:ffffa060301d9000(0000) knlGS:0000000000000000
[   39.354797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   39.354853] CR2: 000055f027a8e6c8 CR3: 0000000001b48006 CR4: 0000000000772ef0
[   39.354915] PKRU: 55555554
[   39.354941] Call Trace:
[   39.354963]  <TASK>
[   39.354988]  netdev_run_todo+0x21a/0x550
[   39.355037]  rtnl_dellink+0x15b/0x350
[   39.355081]  ? virtio_fs_enqueue_req+0x352/0x570
[   39.355132]  ? netdev_run_todo+0x63/0x550
[   39.355170]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   39.355217]  rtnetlink_rcv_msg+0x358/0x400
[   39.355255]  ? get_page_from_freelist+0x15b4/0x1770
[   39.355302]  ? rtnl_calcit.isra.0+0x110/0x110
[   39.355349]  netlink_rcv_skb+0x57/0x100
[   39.355386]  netlink_unicast+0x252/0x380
[   39.355430]  ? __alloc_skb+0xdb/0x190
[   39.355468]  netlink_sendmsg+0x1be/0x3e0
[   39.355505]  ____sys_sendmsg+0x132/0x260
[   39.355542]  ? copy_msghdr_from_user+0x6c/0xa0
[   39.355593]  ___sys_sendmsg+0x87/0xd0
[   39.355632]  ? do_wp_page+0x369/0xe90
[   39.355668]  ? ___pte_offset_map+0x1b/0xd0
[   39.355706]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   39.355753]  ? fsnotify_grab_connector+0x48/0x80
[   39.355800]  ? fsnotify_destroy_marks+0x29/0x150
[   39.355848]  __sys_sendmsg+0x71/0xd0
[   39.355885]  do_syscall_64+0xa4/0xfd0
[   39.355922]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   39.355972] RIP: 0033:0x7f41bab771d7
[   39.356011] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[   39.356155] RSP: 002b:00007ffcec050d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.356221] RAX: ffffffffffffffda RBX: 00007ffcec051430 RCX: 00007f41bab771d7
[   39.356287] RDX: 0000000000000000 RSI: 00007ffcec050d70 RDI: 0000000000000005
[   39.356354] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   39.356413] R10: 00007f41baa73f60 R11: 0000000000000246 R12: 0000000000000002
[   39.356480] R13: 00000000690dec71 R14: 0000000000499600 R15: 0000000000000000
[   39.356548]  </TASK>
[   39.356581] ---[ end trace 0000000000000000 ]---
[   39.357124] ip (1697) used greatest stack depth: 11744 bytes left