[ 1713.880176] br0: port 1(dummy0) entered blocking state
[ 1713.880247] br0: port 1(dummy0) entered disabled state
[ 1713.880281] dummy0: entered allmulticast mode
[ 1713.880342] dummy0: entered promiscuous mode
[ 1713.883598] br0: port 1(dummy0) entered blocking state
[ 1713.883676] br0: port 1(dummy0) entered forwarding state
[ 1714.107088] dummy0: left allmulticast mode
[ 1714.107154] dummy0: left promiscuous mode
[ 1714.107217] br0: port 1(dummy0) entered disabled state