The host will send a `SaveBuffer` message anyway and this prevents re-querying the database, which could cause two `BufferSaved` messages to race and, as a result, cause guest to apply them in the wrong order.
The host will send a `SaveBuffer` message anyway and this prevents re-querying the database, which could cause two `BufferSaved` messages to race and, as a result, cause guest to apply them in the wrong order.