[ 1654.414720] br0: port 1(dummy0) entered blocking state
[ 1654.414768] br0: port 1(dummy0) entered disabled state
[ 1654.414800] dummy0: entered allmulticast mode
[ 1654.414855] dummy0: entered promiscuous mode
[ 1654.417604] br0: port 1(dummy0) entered blocking state
[ 1654.417696] br0: port 1(dummy0) entered forwarding state
[ 1654.591648] dummy0: left allmulticast mode
[ 1654.591746] dummy0: left promiscuous mode
[ 1654.591807] br0: port 1(dummy0) entered disabled state