[ 1977.377551][T25140] br0: port 1(dummy0) entered blocking state
[ 1977.377733][T25140] br0: port 1(dummy0) entered disabled state
[ 1977.377902][T25140] dummy0: entered allmulticast mode
[ 1977.379241][T25140] dummy0: entered promiscuous mode
[ 1977.400699][T25141] br0: port 1(dummy0) entered blocking state
[ 1977.400977][T25141] br0: port 1(dummy0) entered forwarding state
[ 1979.332715][   T69] dummy0: left allmulticast mode
[ 1979.333612][   T69] dummy0: left promiscuous mode
[ 1979.333950][   T69] br0: port 1(dummy0) entered disabled state