When I started painting up the Zeppelin troops, I discovered that the gesso had left a lot of bubbles and webbing, probably because the bottle was mostly empty and had dried out a bit. Fortunately, I've got a new bottle waiting. So they went in the drink (Simple Green) for a bit, spent some time under a brush, and are ready to be rebased and primed again.
That's life, I guess. I've been getting some other things ready to paint as well.