[  139.897410] br0: port 1(dummy0) entered blocking state
[  139.897498] br0: port 1(dummy0) entered disabled state
[  139.897561] dummy0: entered allmulticast mode
[  139.897659] dummy0: entered promiscuous mode
[  139.900114] br0: port 1(dummy0) entered blocking state
[  139.900149] br0: port 1(dummy0) entered forwarding state
[  140.080043] dummy0: left allmulticast mode
[  140.080102] dummy0: left promiscuous mode
[  140.080140] br0: port 1(dummy0) entered disabled state