Created attachment 956192 [details]
Description of problem:
When adding few disks (~6-10) in automation tests ,  (just an example) after each add disk there is a call to GET method as part of the creation.
After creating disk X and keep adding more disks, after about 2 disks, disk X will disappear from the system
in  full log (attached):
at 16:41:24, 771 --> GET async_tasks_disk_2 exists
at 16:41:16, 703 --> GET async_tasks_disk_2 missing
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. explained above
Verified - vt13.1
RHEV-M 3.5.0 has been released, closing this bug.