[ 2148.954668][T20228] br0: port 1(dummy0) entered blocking state
[ 2148.954874][T20228] br0: port 1(dummy0) entered disabled state
[ 2148.955046][T20228] dummy0: entered allmulticast mode
[ 2148.956079][T20228] dummy0: entered promiscuous mode
[ 2148.976521][T20229] br0: port 1(dummy0) entered blocking state
[ 2148.977252][T20229] br0: port 1(dummy0) entered forwarding state
[ 2151.083749][   T68] dummy0: left allmulticast mode
[ 2151.083960][   T68] dummy0: left promiscuous mode
[ 2151.084230][   T68] br0: port 1(dummy0) entered disabled state