[   70.529380] br0: port 1(dummy0) entered blocking state
[   70.529425] br0: port 1(dummy0) entered disabled state
[   70.529457] dummy0: entered allmulticast mode
[   70.529512] dummy0: entered promiscuous mode
[   70.531946] br0: port 1(dummy0) entered blocking state
[   70.531982] br0: port 1(dummy0) entered forwarding state
[   70.696654] dummy0: left allmulticast mode
[   70.696689] dummy0: left promiscuous mode
[   70.696719] br0: port 1(dummy0) entered disabled state