[ 2121.653034][ T7263] br0: port 1(dummy0) entered blocking state
[ 2121.653391][ T7263] br0: port 1(dummy0) entered disabled state
[ 2121.653726][ T7263] dummy0: entered allmulticast mode
[ 2121.655550][ T7263] dummy0: entered promiscuous mode
[ 2121.692703][ T7264] br0: port 1(dummy0) entered blocking state
[ 2121.693713][ T7264] br0: port 1(dummy0) entered forwarding state
[ 2124.227082][   T68] dummy0: left allmulticast mode
[ 2124.227917][   T68] dummy0: left promiscuous mode
[ 2124.228245][   T68] br0: port 1(dummy0) entered disabled state