[9.x][bvt] OSTF tests for instance creation from snapshot is failed

[Vitalii Gridnev]

Build 822 ( [0] ) has failed OSTF tests for instance creation from snapshot:

======================================================================
FAIL: Deploy ceph HA with RadosGW for objects
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/helpers/decorators.py", line 120, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/tests/test_ceph.py", line 528, in ceph_rados_gw
    test_sets=['ha', 'smoke', 'sanity'])
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/core/helpers/log_helpers.py", line 215, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/models/fuel_web_client.py", line 1392, in run_ostf
    failed_test_name=failed_test_name, test_sets=test_sets)
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/core/helpers/log_helpers.py", line 215, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.x.main.ubuntu.bvt_2/fuelweb_test/models/fuel_web_client.py", line 305, in assert_ostf_run
    indent=1)))
AssertionError: Failed 1 OSTF tests; should fail 0 tests. Names of failed tests:
  - Launch instance, create snapshot, launch instance from snapshot (error)

in cinder logs I see issues that might be related to the root cause:
http://paste.openstack.org/show/596845/

[0] https://product-ci.infra.mirantis.net/job/9.x.main.ubuntu.bvt_2/822/console