Russian army was too disorganized for a long term war, but not only in terms of logistic, also troops. It was like this campaign was made with young privates with no experience on the battleground on purpose. I thought russian army was way better than this, instead we had thanks with no fuel, stucked in the mud, driven by youngsters who shoot at doors, and a 40km line of military troops stopped for no valid reason. I have some doubt Ucranian forces was able to stop the russian army so easily.
This is probably a fake war. Russia have shown they still have power in geopolitical decisions and so they warns other not-NATO countries to not try to do the same because USA and EU will not send troops, they will probably have Cecenia, Donetsk and Luhansk. Ucraine will be free from Russia's influence but they will not join NATO because they can't sacrifice people to fight Russia in a endless war. They still have sanctions, but without a war they have little sense. SWIFT block will be revoked to ease the purchase of gas, and some other ban will lift from countries who want to have business relationships with Russia.
In the end Putin will have what he wanted.