[ 2110.430720][T31379] br0: port 1(dummy0) entered blocking state
[ 2110.431031][T31379] br0: port 1(dummy0) entered disabled state
[ 2110.431305][T31379] dummy0: entered allmulticast mode
[ 2110.432284][T31379] dummy0: entered promiscuous mode
[ 2110.464968][T31380] br0: port 1(dummy0) entered blocking state
[ 2110.465585][T31380] br0: port 1(dummy0) entered forwarding state
[ 2112.979517][   T12] dummy0: left allmulticast mode
[ 2112.979991][   T12] dummy0: left promiscuous mode
[ 2112.980811][   T12] br0: port 1(dummy0) entered disabled state