[  918.419995] br0: port 1(dummy0) entered blocking state
[  918.420042] br0: port 1(dummy0) entered disabled state
[  918.420076] dummy0: entered allmulticast mode
[  918.420128] dummy0: entered promiscuous mode
[  918.423533] br0: port 1(dummy0) entered blocking state
[  918.423604] br0: port 1(dummy0) entered forwarding state
[  918.648631] dummy0: left allmulticast mode
[  918.648667] dummy0: left promiscuous mode
[  918.648701] br0: port 1(dummy0) entered disabled state