[ 1511.329732][ T4460] br1: port 1(veth1) entered blocking state
[ 1511.330031][ T4460] br1: port 1(veth1) entered disabled state
[ 1511.331239][ T4460] veth1: entered allmulticast mode
[ 1511.333141][ T4460] veth1: entered promiscuous mode
[ 1511.481724][   T52] br1: port 1(veth1) entered blocking state
[ 1511.482193][   T52] br1: port 1(veth1) entered forwarding state
[ 1527.146653][ T4519] br1: port 1(veth1) entered disabled state
[ 1527.338904][ T4521] veth1: left allmulticast mode
[ 1527.339236][ T4521] veth1: left promiscuous mode
[ 1527.339568][ T4521] br1: port 1(veth1) entered disabled state