Nova ha destroy controllers failed with can not assign ip to the instance

Error Message

Failed tests, fails: 2 should fail: 1 failed tests name: [{u'Check that required services are running (failure)': u'Some nova services have not been started.. Please refer to OpenStack logs for more details.'}, {u'Launch instance with file injection (failure)': u'Can not assign floating ip to instance Please refer to OpenStack logs for more details.'}]

Stacktrace

Traceback (most recent call last):
  File "/usr/lib/python2.7/unittest/case.py", line 331, in run
    testMethod()
  File "/usr/lib/python2.7/unittest/case.py", line 1043, in runTest
    self._testFunc()
  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/6.1.system_test.centos.thread_5/fuelweb_test/helpers/decorators.py", line 66, in wrapper
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.centos.thread_5/fuelweb_test/tests/tests_strength/test_failover.py", line 249, in ha_nova_destroy_controllers
    super(self.__class__, self).ha_destroy_controllers()
  File "/home/jenkins/workspace/6.1.system_test.centos.thread_5/fuelweb_test/tests/tests_strength/test_failover_base.py", line 117, in ha_destroy_controllers
    should_fail=1)
  File "/home/jenkins/workspace/6.1.system_test.centos.thread_5/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.centos.thread_5/fuelweb_test/models/fuel_web_client.py", line 669, in run_ostf
    failed_test_name=failed_test_name)
  File "/home/jenkins/workspace/6.1.system_test.centos.thread_5/fuelweb_test/__init__.py", line 48, in wrapped
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/6.1.system_test.centos.thread_5/fuelweb_test/models/fuel_web_client.py", line 203, in assert_ostf_run
    failed_tests_res))
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/asserts.py", line 163, in assert_true
    raise ASSERTION_ERROR(message)
AssertionError: Failed tests, fails: 2 should fail: 1 failed tests name: [{u'Check that required services are running (failure)': u'Some nova services have not been started.. Please refer to OpenStack logs for more details.'}, {u'Launch instance with file injection (failure)': u'Can not assign floating ip to instance Please refer to OpenStack logs for more details.'}]
VERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "6.1"
  openstack_version: "2014.2-6.1"
  api: "1.0"
  build_number: "310"
  build_id: "2015-04-13_22-54-31"
  nailgun_sha: "d22c074dec091e5ddd8ea3003c37665058303cd5"
  python-fuelclient_sha: "9208ff4a08dcb674ce2df132399a5aa3ddfac21c"
  astute_sha: "d96a80b63198a578b2c159edbd76048819039eb0"
  fuellib_sha: "8b80657e9ceed8d59c2dff1c11e1481c7e69380e"
  ostf_sha: "c2a76a60ec4ebbd78e508216c2e12787bf25e423"
  fuelmain_sha: "335d3ed09ed79bd37e1f7a90442c4831c8845582"

timeout happens when we try to get floating ip from pool, at the same time server where test were run was not fast, so we can just increase timeout for those operation in ostf