8000rpm 2km/h car says to 電訊台 https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwjq75374_jnAhWNBKYKHbWeB_kQFjAAegQIAhAB&url=https%3A%2F%2Fwiki.debian.org%2FBridgeNetworkConnections&usg=AOvVaw1x1OonBgA4pFkfDdoE2o3G