[ 4077.504453] br0: port 1(dummy0) entered blocking state [ 4077.541737] br0: port 1(dummy0) entered disabled state [ 4077.545026] device dummy0 entered promiscuous mode [ 4077.752336] br0: port 1(dummy0) entered blocking state [ 4077.753961] br0: port 1(dummy0) entered forwarding state [ 4078.422915] br0: port 1(dummy0) entered disabled state [ 4078.655433] device dummy0 left promiscuous mode [ 4078.672492] br0: port 1(dummy0) entered disabled state