[ 1626.478513] br0: port 1(dummy0) entered blocking state
[ 1626.478588] br0: port 1(dummy0) entered disabled state
[ 1626.478652] dummy0: entered allmulticast mode
[ 1626.478738] dummy0: entered promiscuous mode
[ 1626.481203] br0: port 1(dummy0) entered blocking state
[ 1626.481240] br0: port 1(dummy0) entered forwarding state
[ 1626.644911] dummy0: left allmulticast mode
[ 1626.644967] dummy0: left promiscuous mode
[ 1626.645004] br0: port 1(dummy0) entered disabled state