Its a bug which is considered a feature. The unit description says the self-healing is a vet5 ability also the changelog from the dbp says so.
The veterancy guide need to be updated btw.
Got decrewed and i recrewed it with am IS or RE.
I could neither move or shoot with it (i tried it with reinforce to 4 man squad but still same problem)
Bug happend before min 30 already