[ 1950.863137] br0: port 1(dummy0) entered blocking state
[ 1950.863216] br0: port 1(dummy0) entered disabled state
[ 1950.863284] dummy0: entered allmulticast mode
[ 1950.863374] dummy0: entered promiscuous mode
[ 1950.867161] br0: port 1(dummy0) entered blocking state
[ 1950.867195] br0: port 1(dummy0) entered forwarding state
[ 1951.152352] dummy0: left allmulticast mode
[ 1951.152386] dummy0: left promiscuous mode
[ 1951.152419] br0: port 1(dummy0) entered disabled state