[ 1695.133395] br0: port 1(dummy0) entered blocking state
[ 1695.133442] br0: port 1(dummy0) entered disabled state
[ 1695.133482] dummy0: entered allmulticast mode
[ 1695.133531] dummy0: entered promiscuous mode
[ 1695.136224] br0: port 1(dummy0) entered blocking state
[ 1695.136254] br0: port 1(dummy0) entered forwarding state
[ 1695.313338] dummy0: left allmulticast mode
[ 1695.313374] dummy0: left promiscuous mode
[ 1695.313400] br0: port 1(dummy0) entered disabled state