[ 1550.677245][ T7720] br1: port 1(veth1) entered blocking state
[ 1550.677529][ T7720] br1: port 1(veth1) entered disabled state
[ 1550.677785][ T7720] veth1: entered allmulticast mode
[ 1550.679755][ T7720] veth1: entered promiscuous mode
[ 1550.837650][   T52] br1: port 1(veth1) entered blocking state
[ 1550.837931][   T52] br1: port 1(veth1) entered forwarding state
[ 1570.987020][ T7795] br1: port 1(veth1) entered disabled state
[ 1571.160243][ T7796] veth1: left allmulticast mode
[ 1571.161337][ T7796] veth1: left promiscuous mode
[ 1571.161848][ T7796] br1: port 1(veth1) entered disabled state