[ 1563.955053] br0: port 1(dummy0) entered blocking state
[ 1563.955127] br0: port 1(dummy0) entered disabled state
[ 1563.955193] dummy0: entered allmulticast mode
[ 1563.955279] dummy0: entered promiscuous mode
[ 1563.957856] br0: port 1(dummy0) entered blocking state
[ 1563.957889] br0: port 1(dummy0) entered forwarding state
[ 1564.148016] dummy0: left allmulticast mode
[ 1564.148085] dummy0: left promiscuous mode
[ 1564.148146] br0: port 1(dummy0) entered disabled state