For Russia the crisis over Qatar is largely beneficial, because now instead of a single camp of enemies of Assad, it is possible to observe their internecine squabbling trying to pass each other responsible for the failure of the preceding policy.
A couple of years ago, the situation when Iran and Turkey will work together to cover Qatar (!) from Saudi Arabia, would look perfect oxymoron. Now, it is perceived as a logical consequence of the tectonic changes in the military-political situation in the middle East. Intervening in the Syrian war, Russia has accelerated the process of reformatting the region, and military successes helped to change the fact that part of these transformations was carried out in the best possible way for the Russian-Iranian coalition, and Assad