[ 1396.272207][ T8950] br1: port 1(veth1) entered blocking state
[ 1396.272521][ T8950] br1: port 1(veth1) entered disabled state
[ 1396.272780][ T8950] veth1: entered allmulticast mode
[ 1396.275036][ T8950] veth1: entered promiscuous mode
[ 1396.403604][    T7] br1: port 1(veth1) entered blocking state
[ 1396.403907][    T7] br1: port 1(veth1) entered forwarding state
[ 1411.221506][ T9009] br1: port 1(veth1) entered disabled state
[ 1411.351228][ T9011] veth1: left allmulticast mode
[ 1411.351511][ T9011] veth1: left promiscuous mode
[ 1411.351835][ T9011] br1: port 1(veth1) entered disabled state