[ 1682.982802] br0: port 1(dummy0) entered blocking state
[ 1682.982871] br0: port 1(dummy0) entered disabled state
[ 1682.982936] dummy0: entered allmulticast mode
[ 1682.983031] dummy0: entered promiscuous mode
[ 1682.986085] br0: port 1(dummy0) entered blocking state
[ 1682.986120] br0: port 1(dummy0) entered forwarding state
[ 1683.198085] dummy0: left allmulticast mode
[ 1683.198153] dummy0: left promiscuous mode
[ 1683.198183] br0: port 1(dummy0) entered disabled state