[ 1854.049422] br0: port 1(dummy0) entered blocking state
[ 1854.049496] br0: port 1(dummy0) entered disabled state
[ 1854.049563] dummy0: entered allmulticast mode
[ 1854.049649] dummy0: entered promiscuous mode
[ 1854.053371] br0: port 1(dummy0) entered blocking state
[ 1854.053406] br0: port 1(dummy0) entered forwarding state
[ 1854.285611] dummy0: left allmulticast mode
[ 1854.285646] dummy0: left promiscuous mode
[ 1854.285688] br0: port 1(dummy0) entered disabled state