[ 1565.690574] br0: port 1(dummy0) entered blocking state
[ 1565.690647] br0: port 1(dummy0) entered disabled state
[ 1565.690713] dummy0: entered allmulticast mode
[ 1565.690802] dummy0: entered promiscuous mode
[ 1565.693534] br0: port 1(dummy0) entered blocking state
[ 1565.693566] br0: port 1(dummy0) entered forwarding state
[ 1565.882732] dummy0: left allmulticast mode
[ 1565.882771] dummy0: left promiscuous mode
[ 1565.882801] br0: port 1(dummy0) entered disabled state