[ 1682.634890] br0: port 1(dummy0) entered blocking state
[ 1682.634947] br0: port 1(dummy0) entered disabled state
[ 1682.634985] dummy0: entered allmulticast mode
[ 1682.635035] dummy0: entered promiscuous mode
[ 1682.638183] br0: port 1(dummy0) entered blocking state
[ 1682.638217] br0: port 1(dummy0) entered forwarding state
[ 1682.882309] dummy0: left allmulticast mode
[ 1682.882348] dummy0: left promiscuous mode
[ 1682.882381] br0: port 1(dummy0) entered disabled state