Fix UUIDs for even distribution (of both vms and memory) rules

Change-Id: Ibf3c90bcf9e4176e62be61d9ab9b15b5527ef8a3
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1156141
Signed-off-by: Martin Sivak <msivak@redhat.com>