[ 2479.612684] br0: port 1(dummy0) entered blocking state [ 2479.613052] br0: port 1(dummy0) entered disabled state [ 2479.613449] device dummy0 entered promiscuous mode [ 2479.661977] br0: port 1(dummy0) entered blocking state [ 2479.662337] br0: port 1(dummy0) entered forwarding state [ 2479.837703] br0: port 1(dummy0) entered disabled state [ 2479.920490] device dummy0 left promiscuous mode [ 2479.920853] br0: port 1(dummy0) entered disabled state