Not because of the genocide. But because what he is saying is that Stalin was right that all Russian Satellite States (like Ukraine) should have been forced to stay in the USSR and never allowed to leave. This sets the stage for a new cold war in Europe.
http://www.voanews.com/content/putin-denounces-lenin-says-stalin-got-it-right/3162079.html
http://www.voanews.com/content/putin-denounces-lenin-says-stalin-got-it-right/3162079.html