[ 1659.476007][ T9702] br1: port 1(veth1) entered blocking state
[ 1659.476324][ T9702] br1: port 1(veth1) entered disabled state
[ 1659.476609][ T9702] veth1: entered allmulticast mode
[ 1659.484820][ T9702] veth1: entered promiscuous mode
[ 1659.634866][  T750] br1: port 1(veth1) entered blocking state
[ 1659.635135][  T750] br1: port 1(veth1) entered forwarding state
[ 1680.098739][ T9777] br1: port 1(veth1) entered disabled state
[ 1680.243476][ T9778] veth1: left allmulticast mode
[ 1680.243709][ T9778] veth1: left promiscuous mode
[ 1680.244347][ T9778] br1: port 1(veth1) entered disabled state