UPDATE: Regarding Russia's MH17 press conference today:
In a statement to RFE/RL, the Dutch government said it had "taken notice of the publications in relation to the press conference by the Russian Ministry of Defense."
"The Netherlands has the utmost confidence in the findings and conclusions of the JIT," the statement added. "The JIT investigation has broad support by the international community. The government is committed to full cooperation with the criminal investigation by all countries concerned as reflected in [UN Security Council] Resolution 2166."
This seems unlikely, judging by any recent opinion polls: