It's unlikely that there is a problem.
Generally, if you are going to move to secondary, you should wait till you know the fermentation is complete. You know this because two gravity readings several days apart will be the same.
That said, 1.011 sounds in line with what i would expect. I suspect there was a temp change and/or the hops provided nucleation sites for co2 bubbles so more co2 is coming out of solution.
That said, keep an eye on the gravity and if it keeps dropping it means either it wasn't done when you moved it and now it's finishing up in which case, yay! or you picked up a more attenuative yeast somewhere along the way in which case, well you'll have to wait and see, might still be yay!
Going forward, you can skip the secondary most of the time. in this case with the pliny and the heavy dry hopping getting the beer off the yeast first can be beneficial but most of the time it's more effort for no real return and offers some rick of infection or oxidation.