[ 2300.744209] br0: port 1(dummy0) entered blocking state [ 2300.749343] br0: port 1(dummy0) entered disabled state [ 2300.754726] device dummy0 entered promiscuous mode [ 2300.815293] br0: port 1(dummy0) entered blocking state [ 2300.820439] br0: port 1(dummy0) entered forwarding state [ 2301.030989] br0: port 1(dummy0) entered disabled state [ 2301.122673] device dummy0 left promiscuous mode [ 2301.127262] br0: port 1(dummy0) entered disabled state