Russia's hypocrisy?

On 11th September 2013, Putin wrote an op-ed article, "A Plea for Caution From Russia. What Putin Has to Say to Americans About Syria" which appeared in the New York Times. The article was written in relation to the air strike that America (and other western countries) were debating on. In that article he mentioned the following: 

"From the outset, Russia has advocated peaceful dialogue enabling Syrians to develop a compromise plan for their own future. We are not protecting the Syrian government, but international law. We need to use the United Nations Security Council and believe that preserving law and order in today’s complex and turbulent world is one of the few ways to keep international relations from sliding into chaos. The law is still the law, and we must follow it whether we like it or not. Under current international law, force is permitted only in self-defense or by the decision of the Security Council. Anything else is unacceptable under the United Nations Charter and would constitute an act of aggression.

It is alarming that military intervention in internal conflicts in foreign countries has become commonplace for the United States....

We must stop using the language of force and return to the path of civilized diplomatic and political settlement...."

Around that time, there were anti-war protests in London as well as in other cities, against any western foreign intervention in Syria (though they seemed to have overlooked Iranian, Russian and Hezbollah interference in the country and only focused on USA/UK/France etc.)

I refer back to that article for a reason in relation to the current events in Ukraine. It's been recently reported that, Russia has sent troops to Ukraine, that there's been a build up of armoured vehicles near a ferry port on the Russian side of the Kerch Channel, which separates the two countries with more recent news that now pro-Russian troops have taken over the ferry terminal on the Ukrainian side.

So what about all that talk on Syria, arguing against any western intervention against their own internal affairs?

Where are all those anti-war protesters around the world, calling against Russia's interference in Ukraine? Isn't Russia's actions an act of aggression? Why isn't international law applicable to Ukraine and their sovereignty protected? Or is it only American and British imperialism that the anti-war movement objects to but when it's Russia, that's fine?