[ 1233.212772][ T5520] br1: port 1(veth1) entered blocking state
[ 1233.213001][ T5520] br1: port 1(veth1) entered disabled state
[ 1233.213217][ T5520] veth1: entered allmulticast mode
[ 1233.214667][ T5520] veth1: entered promiscuous mode
[ 1233.241553][   T37] br1: port 1(veth1) entered blocking state
[ 1233.241759][   T37] br1: port 1(veth1) entered forwarding state
[ 1248.082207][ T5660] br1: port 1(veth1) entered disabled state
[ 1248.109970][ T5661] veth1: left allmulticast mode
[ 1248.110685][ T5661] veth1: left promiscuous mode
[ 1248.110986][ T5661] br1: port 1(veth1) entered disabled state