[ 1754.886396] br0: port 1(dummy0) entered blocking state
[ 1754.886441] br0: port 1(dummy0) entered disabled state
[ 1754.886481] dummy0: entered allmulticast mode
[ 1754.886537] dummy0: entered promiscuous mode
[ 1754.888990] br0: port 1(dummy0) entered blocking state
[ 1754.889026] br0: port 1(dummy0) entered forwarding state
[ 1755.066855] dummy0: left allmulticast mode
[ 1755.066888] dummy0: left promiscuous mode
[ 1755.066915] br0: port 1(dummy0) entered disabled state