[ 2047.697221][T29735] br0: port 1(dummy0) entered blocking state
[ 2047.697366][T29735] br0: port 1(dummy0) entered disabled state
[ 2047.697475][T29735] dummy0: entered allmulticast mode
[ 2047.697955][T29735] dummy0: entered promiscuous mode
[ 2047.711846][T29736] br0: port 1(dummy0) entered blocking state
[ 2047.711994][T29736] br0: port 1(dummy0) entered forwarding state
[ 2048.902484][   T12] dummy0: left allmulticast mode
[ 2048.902614][   T12] dummy0: left promiscuous mode
[ 2048.902768][   T12] br0: port 1(dummy0) entered disabled state