[ 2597.332829] br0: port 1(dummy0) entered blocking state [ 2597.332859] br0: port 1(dummy0) entered disabled state [ 2597.333024] device dummy0 entered promiscuous mode [ 2597.370472] br0: port 1(dummy0) entered blocking state [ 2597.370503] br0: port 1(dummy0) entered forwarding state [ 2597.508850] br0: port 1(dummy0) entered disabled state [ 2597.568222] device dummy0 left promiscuous mode [ 2597.568383] br0: port 1(dummy0) entered disabled state