[ 2045.685630][T10385] br0: port 1(dummy0) entered blocking state
[ 2045.685808][T10385] br0: port 1(dummy0) entered disabled state
[ 2045.685957][T10385] dummy0: entered allmulticast mode
[ 2045.686966][T10385] dummy0: entered promiscuous mode
[ 2045.714823][T10386] br0: port 1(dummy0) entered blocking state
[ 2045.715062][T10386] br0: port 1(dummy0) entered forwarding state
[ 2047.686371][   T12] dummy0: left allmulticast mode
[ 2047.687223][   T12] dummy0: left promiscuous mode
[ 2047.687448][   T12] br0: port 1(dummy0) entered disabled state