[    2.470569] br1: port 1(veth1) entered blocking state
[    2.470673] br1: port 1(veth1) entered disabled state
[    2.470764] veth1: entered allmulticast mode
[    2.470964] veth1: entered promiscuous mode
[    2.492635] br1: port 2(veth2) entered blocking state
[    2.492711] br1: port 2(veth2) entered disabled state
[    2.492781] veth2: entered allmulticast mode
[    2.492893] veth2: entered promiscuous mode
[    2.515152] br1: port 2(veth2) entered blocking state
[    2.515236] br1: port 2(veth2) entered forwarding state
[    2.515297] br1: port 1(veth1) entered blocking state
[    2.515361] br1: port 1(veth1) entered forwarding state
[    7.707359] GACT probability NOT on
[    7.708910] tc (318) used greatest stack depth: 11840 bytes left
[   10.060457] br1: port 2(veth2) entered disabled state
[   10.060595] br1: port 1(veth1) entered disabled state
[   10.082555] veth2: left allmulticast mode
[   10.082670] veth2: left promiscuous mode
[   10.082748] br1: port 2(veth2) entered disabled state
[   10.104642] veth1: left allmulticast mode
[   10.104708] veth1: left promiscuous mode
[   10.104761] br1: port 1(veth1) entered disabled state
[   10.132358] ------------[ cut here ]------------
[   10.132503] refcount_t: underflow; use-after-free.
[   10.132559] WARNING: CPU: 3 PID: 615 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   10.132652] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
[   10.132740] CPU: 3 UID: 0 PID: 615 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   10.132838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.132903] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   10.132954] Code: b2 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 71 b2 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
[   10.133140] RSP: 0018:ffffb62240b87730 EFLAGS: 00010282
[   10.133192] RAX: 0000000000000000 RBX: ffffb62240b87740 RCX: 00000000ffffdfff
[   10.133272] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   10.133354] RBP: ffffb62240b87248 R08: ffffffffb2b56a28 R09: 00000000ffffdfff
[   10.133435] R10: ffffffffb2a76a40 R11: ffffffffb2b26a40 R12: dead000000000122
[   10.133513] R13: 00000000fffb932d R14: 0000000000000001 R15: ffff927701f29000
[   10.133594] FS:  00007f1a5fa7c800(0000) GS:ffff92778bb59000(0000) knlGS:0000000000000000
[   10.133680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.133742] CR2: 00000000004e68d0 CR3: 000000000666d001 CR4: 0000000000772ef0
[   10.133822] PKRU: 55555554
[   10.133847] Call Trace:
[   10.133877]  <TASK>
[   10.133908]  netdev_run_todo+0x21a/0x550
[   10.133960]  rtnl_dellink+0x15b/0x350
[   10.134007]  ? virtio_fs_enqueue_req+0x352/0x570
[   10.134065]  ? netdev_run_todo+0x63/0x550
[   10.134105]  ? rtnl_bridge_getlink+0x1a0/0x1a0
[   10.134151]  rtnetlink_rcv_msg+0x358/0x400
[   10.134187]  ? get_page_from_freelist+0x15b4/0x1770
[   10.134240]  ? rtnl_calcit.isra.0+0x110/0x110
[   10.134294]  netlink_rcv_skb+0x57/0x100
[   10.134345]  netlink_unicast+0x252/0x380
[   10.134386]  ? __alloc_skb+0xdb/0x190
[   10.134434]  netlink_sendmsg+0x1be/0x3e0
[   10.134473]  ____sys_sendmsg+0x132/0x260
[   10.134520]  ? copy_msghdr_from_user+0x6c/0xa0
[   10.134572]  ___sys_sendmsg+0x87/0xd0
[   10.134611]  ? do_wp_page+0x369/0xe90
[   10.134659]  ? ___pte_offset_map+0x1b/0xd0
[   10.134700]  ? nfulnl_rcv_nl_event+0x36/0xa0
[   10.134763]  ? fsnotify_grab_connector+0x48/0x80
[   10.134825]  ? fsnotify_destroy_marks+0x29/0x150
[   10.134878]  __sys_sendmsg+0x71/0xd0
[   10.134926]  do_syscall_64+0xa4/0xfd0
[   10.134974]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   10.135034] RIP: 0033:0x7f1a5fc4a1d7
[   10.135074] 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
[   10.135256] RSP: 002b:00007ffe88047458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   10.135343] RAX: ffffffffffffffda RBX: 00007ffe88047b80 RCX: 00007f1a5fc4a1d7
[   10.135428] RDX: 0000000000000000 RSI: 00007ffe880474c0 RDI: 0000000000000005
[   10.135507] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   10.135586] R10: 00007f1a5fb46f60 R11: 0000000000000246 R12: 0000000000000002
[   10.135670] R13: 00000000690deec9 R14: 0000000000499600 R15: 0000000000000000
[   10.135749]  </TASK>
[   10.135775] ---[ end trace 0000000000000000 ]---
[   10.136400] ip (615) used greatest stack depth: 11744 bytes left