Comment 12 for bug 1462991

Reviewed: https://review.fuel-infra.org/9116
Submitter: Alexey Shtokolov <email address hidden>
Branch: stable/6.1

Commit: 480947d7dedd2d9f6362eb2c1a7ec540d0ffde27
Author: Vadim Rovachev <email address hidden>
Date: Tue Jul 7 15:27:24 2015

Add workaround for centos distro for glance part images bug

Added one more time reboot for computes for reproduce bug
with error instance state and part images.

Closes-Bug: #1462991

Change-Id: If159fbf9889a34ce771c66f3a520ceeb627c989f