[ 1915.880982] br0: port 1(dummy0) entered blocking state
[ 1915.881019] br0: port 1(dummy0) entered disabled state
[ 1915.881061] dummy0: entered allmulticast mode
[ 1915.881111] dummy0: entered promiscuous mode
[ 1915.884550] br0: port 1(dummy0) entered blocking state
[ 1915.884584] br0: port 1(dummy0) entered forwarding state
[ 1916.136823] dummy0: left allmulticast mode
[ 1916.136863] dummy0: left promiscuous mode
[ 1916.136944] br0: port 1(dummy0) entered disabled state