[ 352.750298] br0: port 1(dummy0) entered blocking state [ 352.750659] br0: port 1(dummy0) entered disabled state [ 352.751128] device dummy0 entered promiscuous mode [ 352.802932] br0: port 1(dummy0) entered blocking state [ 352.803278] br0: port 1(dummy0) entered forwarding state [ 352.996358] br0: port 1(dummy0) entered disabled state [ 353.080001] device dummy0 left promiscuous mode [ 353.080379] br0: port 1(dummy0) entered disabled state