[    2.837162] br1: port 1(vx1) entered blocking state
[    2.837249] br1: port 1(vx1) entered disabled state
[    2.837343] vx1: entered allmulticast mode
[    2.837432] vx1: entered promiscuous mode
[    2.837491] br1: port 1(vx1) entered blocking state
[    2.837541] br1: port 1(vx1) entered forwarding state
[    2.851529] br1: port 2(veth1) entered blocking state
[    2.851617] br1: port 2(veth1) entered disabled state
[    2.851684] veth1: entered allmulticast mode
[    2.851801] veth1: entered promiscuous mode
[    2.864966] br1: port 2(veth1) entered blocking state
[    2.865041] br1: port 2(veth1) entered forwarding state
[    2.875887] br1: port 3(veth2) entered blocking state
[    2.875997] br1: port 3(veth2) entered disabled state
[    2.876088] veth2: entered allmulticast mode
[    2.876207] veth2: entered promiscuous mode
[    2.887766] br1: port 3(veth2) entered blocking state
[    2.887842] br1: port 3(veth2) entered forwarding state
[    3.369642] br2: port 1(w1) entered blocking state
[    3.369736] br2: port 1(w1) entered disabled state
[    3.369791] w1: entered allmulticast mode
[    3.369907] w1: entered promiscuous mode
[    3.445937] br2: port 2(vx2) entered blocking state
[    3.446022] br2: port 2(vx2) entered disabled state
[    3.446079] vx2: entered allmulticast mode
[    3.446165] vx2: entered promiscuous mode
[    3.446233] br2: port 2(vx2) entered blocking state
[    3.446300] br2: port 2(vx2) entered forwarding state
[    3.544474] br2: port 1(w1) entered blocking state
[    3.544545] br2: port 1(w1) entered forwarding state
[    3.780211] br2: port 1(w1) entered blocking state
[    3.780331] br2: port 1(w1) entered disabled state
[    3.780430] w1: entered allmulticast mode
[    3.780537] w1: entered promiscuous mode
[    3.851913] br2: port 2(vx2) entered blocking state
[    3.852039] br2: port 2(vx2) entered disabled state
[    3.852121] vx2: entered allmulticast mode
[    3.852237] vx2: entered promiscuous mode
[    3.852342] br2: port 2(vx2) entered blocking state
[    3.852420] br2: port 2(vx2) entered forwarding state
[    3.939926] br2: port 1(w1) entered blocking state
[    3.940005] br2: port 1(w1) entered forwarding state
[   12.342880] vx2: left allmulticast mode
[   12.342951] vx2: left promiscuous mode
[   12.343040] br2: port 2(vx2) entered disabled state
[   12.343194] w1: left allmulticast mode
[   12.343232] w1: left promiscuous mode
[   12.343279] br2: port 1(w1) entered disabled state
[   12.373340] ------------[ cut here ]------------
[   12.373437] refcount_t: underflow; use-after-free.
[   12.373493] WARNING: CPU: 0 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   12.373557] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[   12.373635] CPU: 0 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   12.373700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.373756] Workqueue: netns cleanup_net
[   12.373807] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   12.373853] Code: 8a 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 91 8a 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
[   12.373998] RSP: 0018:ffffa191c024fd50 EFLAGS: 00010286
[   12.374040] RAX: 0000000000000000 RBX: ffffa191c024fd60 RCX: 00000000ffffdfff
[   12.374098] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   12.374165] RBP: ffffa191c024f868 R08: ffffffff8ad56a28 R09: 00000000ffffdfff
[   12.374229] R10: ffffffff8ac76a40 R11: ffffffff8ad26a40 R12: dead000000000122
[   12.374300] R13: 00000000fffb9bd9 R14: 0000000000000001 R15: ffff931984fdf000
[   12.374372] FS:  0000000000000000(0000) GS:ffff931a337d9000(0000) knlGS:0000000000000000
[   12.374467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.374535] CR2: 0000558d87ddaa70 CR3: 000000000b84f004 CR4: 0000000000772ef0
[   12.374610] PKRU: 55555554
[   12.374635] Call Trace:
[   12.374653]  <TASK>
[   12.374671]  netdev_run_todo+0x21a/0x550
[   12.374716]  ops_undo_list+0x1e3/0x1f0
[   12.374766]  cleanup_net+0x1b7/0x2b0
[   12.374804]  process_one_work+0x162/0x380
[   12.374841]  worker_thread+0x299/0x3c0
[   12.374873]  ? rescuer_thread+0x4c0/0x4c0
[   12.374900]  kthread+0x101/0x1f0
[   12.374936]  ? kthreads_online_cpu+0x110/0x110
[   12.374973]  ? kthreads_online_cpu+0x110/0x110
[   12.375018]  ret_from_fork+0x11c/0x140
[   12.375058]  ? kthreads_online_cpu+0x110/0x110
[   12.375099]  ret_from_fork_asm+0x11/0x20
[   12.375132]  </TASK>
[   12.375165] ---[ end trace 0000000000000000 ]---
[   12.421426] vx2: left allmulticast mode
[   12.421500] vx2: left promiscuous mode
[   12.421553] br2: port 2(vx2) entered disabled state
[   12.421748] w1: left allmulticast mode
[   12.421788] w1: left promiscuous mode
[   12.421840] br2: port 1(w1) entered disabled state
[   12.738689] vx1: left allmulticast mode
[   12.738756] vx1: left promiscuous mode
[   12.738802] br1: port 1(vx1) entered disabled state
[   12.790977] br1: port 3(veth2) entered disabled state
[   12.803718] veth2: left allmulticast mode
[   12.803786] veth2: left promiscuous mode
[   12.803824] br1: port 3(veth2) entered disabled state
[   12.816884] br1: port 2(veth1) entered disabled state
[   12.829790] veth1: left allmulticast mode
[   12.829859] veth1: left promiscuous mode
[   12.829919] br1: port 2(veth1) entered disabled state