[ 1928.776281] br0: port 1(dummy0) entered blocking state
[ 1928.776358] br0: port 1(dummy0) entered disabled state
[ 1928.776423] dummy0: entered allmulticast mode
[ 1928.776504] dummy0: entered promiscuous mode
[ 1928.780144] br0: port 1(dummy0) entered blocking state
[ 1928.780175] br0: port 1(dummy0) entered forwarding state
[ 1929.071732] dummy0: left allmulticast mode
[ 1929.071774] dummy0: left promiscuous mode
[ 1929.071810] br0: port 1(dummy0) entered disabled state