[ 1654.686443] br0: port 1(dummy0) entered blocking state
[ 1654.686481] br0: port 1(dummy0) entered disabled state
[ 1654.686516] dummy0: entered allmulticast mode
[ 1654.686566] dummy0: entered promiscuous mode
[ 1654.689403] br0: port 1(dummy0) entered blocking state
[ 1654.689470] br0: port 1(dummy0) entered forwarding state
[ 1654.886421] dummy0: left allmulticast mode
[ 1654.886456] dummy0: left promiscuous mode
[ 1654.886543] br0: port 1(dummy0) entered disabled state