The Russians were cock a hoop when the Donetsk People's Republic claimed to have captured a Bukh battery from the Ukrainians only a few days ago:
Donetsk militia takes control of Ukrainian anti-air installation - News - World - The Voice of Russia: News, Breaking news, Politics, Economics, Business, Russia, International current events, Expert opinion, podcasts, Video
They were also delighted when the DPR claimed a couple of kills 2 days ago:
Self-defense fighters downed two Ukrainian strike aircraft ? Donetsk People's Republic - News - World - The Voice of Russia: News, Breaking news, Politics, Economics, Business, Russia, International current events, Expert opinion, podcasts, Video
If you claim to have Bukh SAMs and claim to have shot down enemy aircraft previously, don't be surprised if someone thinks you did it.