[ 2722.410095] br0: port 1(dummy0) entered blocking state [ 2722.410106] br0: port 1(dummy0) entered disabled state [ 2722.410151] device dummy0 entered promiscuous mode [ 2722.439463] br0: port 1(dummy0) entered blocking state [ 2722.439468] br0: port 1(dummy0) entered forwarding state [ 2722.549776] br0: port 1(dummy0) entered disabled state [ 2722.602074] device dummy0 left promiscuous mode [ 2722.602098] br0: port 1(dummy0) entered disabled state