[ 7896.310412] br0: port 1(dummy0) entered blocking state [ 7896.311174] br0: port 1(dummy0) entered disabled state [ 7896.312953] device dummy0 entered promiscuous mode [ 7896.414432] br0: port 1(dummy0) entered blocking state [ 7896.421626] br0: port 1(dummy0) entered forwarding state [ 7896.784915] br0: port 1(dummy0) entered disabled state [ 7896.948208] device dummy0 left promiscuous mode [ 7896.948939] br0: port 1(dummy0) entered disabled state