Traceback (most recent call last):
  File "/usr/lib64/python2.7/unittest/case.py", line 369, in run
    testMethod()
  File "/usr/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 129, in wrapped_test
    test()
  File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 59, in wrapper
    return func(get_test_prefix(), *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/ovirtlago/testlib.py", line 68, in wrapper
    return func(prefix.virt_env.engine_vm().get_api(), *args, **kwargs)
  File "/home/jenkins/workspace/test-repo_ovirt_experimental_master/ovirt-system-tests/basic-suite-master/test-scenarios/004_basic_sanity.py", line 457, in hotplug_nic
    api.vms.get(VM0_NAME).nics.add(nic2_params)
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/brokers.py", line 33398, in add
    headers={"Correlation-Id":correlation_id, "Expect":expect}
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/proxy.py", line 79, in add
    return self.request('POST', url, body, headers, cls=cls)
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/proxy.py", line 122, in request
    persistent_auth=self.__persistent_auth
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/connectionspool.py", line 79, in do_request
    persistent_auth)
  File "/usr/lib/python2.7/site-packages/ovirtsdk/infrastructure/connectionspool.py", line 162, in __do_request
    raise errors.RequestError(response_code, response_reason, response_body)
RequestError: 
status: 400
reason: Bad Request
detail: Network error during communication with the Host.