No-one's going to support some 'shock and awe' campaign to clobber Ukrainian conscripts, destroy bridges, radio stations and all the rest of this shite
I think this will be a response to an attack by Kievs forces.... it is not a shock and awe crap show... just a mechanism to stop the attack and create a bit of panic amongst the conscripts so they retreat and expose the nazis they should be targeting...
If Russia wants to take over the Ukraine, it will just do it with lightning fast maneuvers to enclose territories, forcing troops to surrender and then raising local militias.
But why would they want to take over Ukraine?
Blunt any attacks from Kiev and help the locals crush their enemy, with heavy use of drones and stand off weapon attacks... and they seemed to be rather skilled at artillery too.
Russia is signalling that it will recognize the DNR and LNR as independent if Kiev does not fulfill its Minsk obligations.
Now we are talking... if Kiev does not fulfil its obligations to talk to the groups and sort something out then allowing them to break away is the only sensible option... let them have a referendum to decide.
Accepting them as independent regions means Russia can openly trade with them so they can earn currency and feed themselves and grow and develop and create a future for themselves.
Russia accepting the independence of South Ossetia and Abkhazia led to Tiblisi attacking to take them back... Putin basically forced their hands in response to Kosovo declaring independence... if Kiev tries anything stupid Russia can use any means it likes to sort them out and even if they were HATO members there would be no grounds to get involved.
And presumably independent states need a proper border, not a trench system. Something Ukraine is always bleating on about re its border with Russia and getting money from the US to do it.
AFAIK at the moment Ukraine and OSCE monitor the border with Russia to prevent weapons crossing etc, but this development would mean these independent regions would take control of their own border with Russia... and they can decide what can cross....