Don't we already have that? It's just a smoulder instead of a conflagration.

Hawe you been in coma? There has been a ww2 sized war in eastern europe for 4 years

That is the point of these "one offs".

My read on the situation is that Putin knows that he's stuck, and baiting nato into some (likely tepid) response gives him an excuse to expand the next call up / draft.