Happens for several runs, full log can be seen at
http://jenkins.ovirt.org/job/ovirt-system-tests_manual/6057/artifact/exported-artifacts/test_logs/basic-suite-master/post-002_bootstrap.py/lago_logs/lago.log

2019-11-18 12:28:12,710::log_utils.py::end_log_task::670::root::ERROR::      - [Thread-42] lago-basic-suite-master-engine:  [31mERROR [0m (in 0:00:08)
2019-11-18 12:28:12,731::log_utils.py::__exit__::607::lago.prefix::DEBUG::  File "/usr/lib/python2.7/site-packages/lago/prefix.py", line 1526, in _collect_artifacts
    vm.collect_artifacts(path, ignore_nopath)
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 748, in collect_artifacts
    ignore_nopath=ignore_nopath
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 468, in extract_paths
    return self.provider.extract_paths(paths, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/lago/providers/libvirt/vm.py", line 398, in extract_paths
    ignore_nopath=ignore_nopath,
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 253, in extract_paths
    self._extract_paths_tar_gz(paths, ignore_nopath)
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 102, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 341, in _extract_paths_tar_gz
    raise ExtractPathNoPathError(remote_path)

2019-11-18 12:28:12,731::utils.py::_ret_via_queue::63::lago.utils::DEBUG::Error while running thread Thread-42
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 "/usr/lib/python2.7/site-packages/lago/prefix.py", line 1526, in _collect_artifacts
    vm.collect_artifacts(path, ignore_nopath)
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 748, in collect_artifacts
    ignore_nopath=ignore_nopath
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 468, in extract_paths
    return self.provider.extract_paths(paths, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/lago/providers/libvirt/vm.py", line 398, in extract_paths
    ignore_nopath=ignore_nopath,
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 253, in extract_paths
    self._extract_paths_tar_gz(paths, ignore_nopath)
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 102, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/lago/plugins/vm.py", line 341, in _extract_paths_tar_gz
    raise ExtractPathNoPathError(remote_path)
ExtractPathNoPathError: Failed to extract files: /tmp/otopi*