ceph/teuthology — pull request #322 by SandonV (2014-08-27 18:39:31+00:00)
Title: Fix update hang.

Don't check ssh keys of VM (attempting to update them) if we are
changing the state of the host (up/down) as there is a good chance
it will be down and will never return any keys.

Signed-off-by: Sandon Van Ness