[ 1828.621527] br0: port 1(dummy0) entered blocking state
[ 1828.621600] br0: port 1(dummy0) entered disabled state
[ 1828.621672] dummy0: entered allmulticast mode
[ 1828.621758] dummy0: entered promiscuous mode
[ 1828.625232] br0: port 1(dummy0) entered blocking state
[ 1828.625269] br0: port 1(dummy0) entered forwarding state
[ 1828.869768] dummy0: left allmulticast mode
[ 1828.869867] dummy0: left promiscuous mode
[ 1828.869933] br0: port 1(dummy0) entered disabled state