Updated openstack/openstack
Project: openstack/nova  2daa769cde80b563cf7ac09adb52682370b601a4
null
Make 'VDI too big' more verbose

Added sizes to error logging for easier debugging. Changed log level
from error to debug.

Change-Id: I397b79df8cae01d736733b7b141f3b4a8513f708