[ 1905.702026] br0: port 1(dummy0) entered blocking state
[ 1905.702066] br0: port 1(dummy0) entered disabled state
[ 1905.702102] dummy0: entered allmulticast mode
[ 1905.702152] dummy0: entered promiscuous mode
[ 1905.705317] br0: port 1(dummy0) entered blocking state
[ 1905.705383] br0: port 1(dummy0) entered forwarding state
[ 1905.951631] dummy0: left allmulticast mode
[ 1905.951663] dummy0: left promiscuous mode
[ 1905.951694] br0: port 1(dummy0) entered disabled state