Description of problem:
Using templates leads to multiple alias disk names.

Version-Release number of selected component (if applicable):
 oVirt Engine Version: 3.4.0-1.el6 


How reproducible / Steps to Reproduce:
1. create VM with a disk
2. create a template from it
3. create a new machine from template
4. have a look at the alias disk names (i had 12 vm all with the same alias disk name)

Actual results:
see above

Expected results:
alias name should have some sort of host prefix

Additional info:
none