[ 1913.753588][T31245] br0: port 1(dummy0) entered blocking state
[ 1913.753786][T31245] br0: port 1(dummy0) entered disabled state
[ 1913.753954][T31245] dummy0: entered allmulticast mode
[ 1913.754899][T31245] dummy0: entered promiscuous mode
[ 1913.785791][T31246] br0: port 1(dummy0) entered blocking state
[ 1913.786091][T31246] br0: port 1(dummy0) entered forwarding state
[ 1915.868371][   T12] dummy0: left allmulticast mode
[ 1915.868593][   T12] dummy0: left promiscuous mode
[ 1915.868861][   T12] br0: port 1(dummy0) entered disabled state