Fix checkpoint fullstack
Fix checkpoint fullstack

As the sake of the merge of https://review.openstack.org/#/c/348163/,
the plugin for volume can't work, so we have to skip the related fullstack
before https://review.openstack.org/#/c/413563/ merge.

Change-Id: I9c7f51af51697e55846905c8fa435e6323e701e4

openstack/smaug,openstack/smaug