('Error while sending HTTP request', error('cannot add/remove handle - multi_perform() already running',))
-------------------- >> begin captured logging << --------------------
lago.utils: ERROR: Error while running thread
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/lago/utils.py", line 58, in _ret_via_queue
    queue.put({'return': func()})
  File "/home/jenkins/workspace/test-repo_ovirt_experimental_4.1/ovirt-system-tests/basic-suite-4.1/test-scenarios/002_bootstrap.py", line 320, in _add_host_4
    name=CLUSTER_NAME,
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/services.py", line 8726, in add
    return self._internal_add(host, headers, query, wait)
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line 211, in _internal_add
    context = self._connection.send(request)
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/__init__.py", line 300, in send
    sys.exc_info()[2]
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/__init__.py", line 295, in send
    return self.__send(request)
  File "/usr/lib64/python2.7/site-packages/ovirtsdk4/__init__.py", line 413, in __send
    self._multi.add_handle(curl)
Error: ('Error while sending HTTP request', error('cannot add/remove handle - multi_perform() already running',))
--------------------- >> end captured logging << ---------------------