[ 1685.848151] br0: port 1(dummy0) entered blocking state
[ 1685.848194] br0: port 1(dummy0) entered disabled state
[ 1685.848235] dummy0: entered allmulticast mode
[ 1685.848287] dummy0: entered promiscuous mode
[ 1685.851163] br0: port 1(dummy0) entered blocking state
[ 1685.851229] br0: port 1(dummy0) entered forwarding state
[ 1686.040021] dummy0: left allmulticast mode
[ 1686.040063] dummy0: left promiscuous mode
[ 1686.040095] br0: port 1(dummy0) entered disabled state