[ 1116.406637] br0: port 1(dummy0) entered blocking state
[ 1116.406684] br0: port 1(dummy0) entered disabled state
[ 1116.406713] dummy0: entered allmulticast mode
[ 1116.406764] dummy0: entered promiscuous mode
[ 1116.409546] br0: port 1(dummy0) entered blocking state
[ 1116.409613] br0: port 1(dummy0) entered forwarding state
[ 1116.604594] dummy0: left allmulticast mode
[ 1116.604659] dummy0: left promiscuous mode
[ 1116.604722] br0: port 1(dummy0) entered disabled state