[ 1735.964596] br0: port 1(dummy0) entered blocking state
[ 1735.964627] br0: port 1(dummy0) entered disabled state
[ 1735.964655] dummy0: entered allmulticast mode
[ 1735.964691] dummy0: entered promiscuous mode
[ 1735.968054] br0: port 1(dummy0) entered blocking state
[ 1735.968077] br0: port 1(dummy0) entered forwarding state
[ 1736.204353] dummy0: left allmulticast mode
[ 1736.204407] dummy0: left promiscuous mode
[ 1736.204458] br0: port 1(dummy0) entered disabled state