"Problems" with the US-Russian agreement to allow lethal military materials pass through Russian space on the way to Afghanistan?

In the CABLE, here

"Richard Holbrooke, the Obama administration's special envoy for Afghanistan and Pakistan, is headed to Russia soon, just as the National Security Council is conducting "emergency measures" to deal with problems surrounding a new U.S.-Russian agreement to transit lethal materials through Russian space to supply U.S. troops in Afghanistan. .......there are increasing signs Holbrooke's reach is widening. A team from Holbrooke's office is currently in Beijing for discussions with Chinese officials on both Pakistan and Afghanistan.......

Meanwhile, multiple sources tell The Cable that there are problems with the U.S.-Russian agreement to allow lethal military materials pass through Russian space on the way to Afghanistan. The deal, agreed to in July during Obama's trip there, is the one tangible example of progress in the administration's effort to "reset' U.S.-Russian relations...... But the Russians are now attempting to place new conditions on the supply routes, the sources said. For example, Russia is demanding to know exactly what items are in each shipment before allowing them to go through, a condition the U.S. military is not about to meet.

The U.S. government is receiving different messages from different segments of the Russian government ..."