Created attachment 956192 [details]
full_log

Description of problem:
When adding few disks (~6-10) in automation tests [1], [2] (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

[1]http://jenkins.qa.lab.tlv.redhat.com:8080/job/Developer-job-ratamir/749/console

[2]http://jenkins.qa.lab.tlv.redhat.com:8080/view/Storage/view/3.4/job/3.4-storage_hotplug_full_test_plan-iscsi/106/console

in [1] 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):
av13

How reproducible:
100%

Steps to Reproduce:
1. explained above
2.
3.

Actual results:


Expected results:


Additional info: