[ 1672.524775] br0: port 1(dummy0) entered blocking state
[ 1672.524845] br0: port 1(dummy0) entered disabled state
[ 1672.524912] dummy0: entered allmulticast mode
[ 1672.524992] dummy0: entered promiscuous mode
[ 1672.527787] br0: port 1(dummy0) entered blocking state
[ 1672.527818] br0: port 1(dummy0) entered forwarding state
[ 1672.726660] dummy0: left allmulticast mode
[ 1672.726692] dummy0: left promiscuous mode
[ 1672.726721] br0: port 1(dummy0) entered disabled state