[ 3391.150228] br0: port 1(dummy0) entered blocking state [ 3391.150697] br0: port 1(dummy0) entered disabled state [ 3391.151187] device dummy0 entered promiscuous mode [ 3391.344965] br0: port 1(dummy0) entered blocking state [ 3391.345478] br0: port 1(dummy0) entered forwarding state [ 3391.631452] br0: port 1(dummy0) entered disabled state [ 3391.751651] device dummy0 left promiscuous mode [ 3391.752369] br0: port 1(dummy0) entered disabled state