[ 1679.323274] br0: port 1(dummy0) entered blocking state
[ 1679.323307] br0: port 1(dummy0) entered disabled state
[ 1679.323331] dummy0: entered allmulticast mode
[ 1679.323376] dummy0: entered promiscuous mode
[ 1679.326038] br0: port 1(dummy0) entered blocking state
[ 1679.326061] br0: port 1(dummy0) entered forwarding state
[ 1679.509451] dummy0: left allmulticast mode
[ 1679.509535] dummy0: left promiscuous mode
[ 1679.509588] br0: port 1(dummy0) entered disabled state