[ 1659.866692] br0: port 1(dummy0) entered blocking state
[ 1659.866740] br0: port 1(dummy0) entered disabled state
[ 1659.866775] dummy0: entered allmulticast mode
[ 1659.866823] dummy0: entered promiscuous mode
[ 1659.869377] br0: port 1(dummy0) entered blocking state
[ 1659.869445] br0: port 1(dummy0) entered forwarding state
[ 1660.046024] dummy0: left allmulticast mode
[ 1660.046067] dummy0: left promiscuous mode
[ 1660.046098] br0: port 1(dummy0) entered disabled state