All vCenter OSTF tests failed

[Vasily Gorin]

CI:
http://jenkins-tpi.bud.mirantis.net:8080/view/dvs3.1.nightly/job/9.1.dvs.dvs_connect_nodefault_net/10/console

Traceback (most recent call last):
  File "/home/jenkins/90-venv/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/90-venv/local/lib/python2.7/site-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/home/jenkins/90-venv/local/lib/python2.7/site-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/9.1.dvs.dvs_connect_nodefault_net/plugin_test/fuel-qa/fuelweb_test/helpers/decorators.py", line 120, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.1.dvs.dvs_connect_nodefault_net/plugin_test/tests/test_plugin_vmware_dvs_system.py", line 141, in dvs_vcenter_systest_setup
    self.fuel_web.run_ostf(cluster_id=cluster_id, test_sets=['smoke'])
  File "/home/jenkins/workspace/9.1.dvs.dvs_connect_nodefault_net/plugin_test/fuel-qa/core/helpers/log_helpers.py", line 32, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.1.dvs.dvs_connect_nodefault_net/plugin_test/fuel-qa/fuelweb_test/models/fuel_web_client.py", line 1353, in run_ostf
    failed_test_name=failed_test_name, test_sets=test_sets)
  File "/home/jenkins/workspace/9.1.dvs.dvs_connect_nodefault_net/plugin_test/fuel-qa/core/helpers/log_helpers.py", line 32, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/9.1.dvs.dvs_connect_nodefault_net/plugin_test/fuel-qa/fuelweb_test/models/fuel_web_client.py", line 305, in assert_ostf_run
    indent=1)))
AssertionError: Failed 3 OSTF tests; should fail 0 tests. Names of failed tests:
  - vCenter: Launch instance, create snapshot, launch instance from snapshot (failure) Failed to get to expected status. In error state. Please refer to OpenStack logs for more details.
  - vCenter: Launch instance (failure) Failed to get to expected status. In error state. Please refer to OpenStack logs for more details.
  - vCenter: Check network connectivity from instance via floating IP (failure) Failed to get to expected status. In error state. Please refer to OpenStack logs for more details.

[Vasily Gorin (vgorin)]

Infra issue