[  680.317412][ T3015] br1: port 1(veth1) entered blocking state
[  680.317831][ T3015] br1: port 1(veth1) entered disabled state
[  680.318222][ T3015] veth1: entered allmulticast mode
[  680.320883][ T3015] veth1: entered promiscuous mode
[  680.493188][   T52] br1: port 1(veth1) entered blocking state
[  680.493627][   T52] br1: port 1(veth1) entered forwarding state
[  696.622083][ T3074] br1: port 1(veth1) entered disabled state
[  696.766584][ T3075] veth1: left allmulticast mode
[  696.766808][ T3075] veth1: left promiscuous mode
[  696.767110][ T3075] br1: port 1(veth1) entered disabled state