[ 1924.726770] br0: port 1(dummy0) entered blocking state
[ 1924.726812] br0: port 1(dummy0) entered disabled state
[ 1924.726846] dummy0: entered allmulticast mode
[ 1924.726894] dummy0: entered promiscuous mode
[ 1924.730488] br0: port 1(dummy0) entered blocking state
[ 1924.730554] br0: port 1(dummy0) entered forwarding state
[ 1925.005617] dummy0: left allmulticast mode
[ 1925.005654] dummy0: left promiscuous mode
[ 1925.005688] br0: port 1(dummy0) entered disabled state