[ 3731.663706] br0: port 1(dummy0) entered blocking state [ 3731.664889] br0: port 1(dummy0) entered disabled state [ 3731.666418] device dummy0 entered promiscuous mode [ 3731.812709] br0: port 1(dummy0) entered blocking state [ 3731.814003] br0: port 1(dummy0) entered forwarding state [ 3732.404127] br0: port 1(dummy0) entered disabled state [ 3732.646734] device dummy0 left promiscuous mode [ 3732.663209] br0: port 1(dummy0) entered disabled state