The local (from the Cargolux viewpoint) press already writes that they still intend to buy the planes. So a maybe late but fulfilled deal.
Lets see how the PR guys explain that, while the background will stay dark, as always.
The Qatar fellows tend to use the media to 'inform' about shortcomings, maybe to get a better price later. Speculation of course since one won't get any official numbers on the actual prices.