Description of problem:
Few boot disks can be added to a vm through rest-api (can't be done through UI as the button is blocked, the problem is in the backend)
How reproducible:
always
Steps to Reproduce:
1.Create a vm with bootable disk,
2.try to add another new bootable disk to the vm
Actual results:
the operation is succesful and the vm has 2 bootable disks attached
Expected results:
CDA message should be returned