First time I see this error. The issue seems to be network read timeout when creating virtual env

in tox test.

If you see this error in your builds, please report.

storage-py27 create: /home/jenkins/workspace/vdsm_standard-check-patch/vdsm/.tox/storage-py27
ERROR: invocation failed (exit code 1), logfile: /home/jenkins/workspace/vdsm_standard-check-patch/vdsm/.tox/storage-py27/log/storage-py27-0.log
ERROR: actionid: storage-py27
msg: getenv
cmdargs: ['/usr/bin/python2', '-m', 'virtualenv', '--system-site-packages', '--python', '/usr/bin/python2.7', 'storage-py27']

New python executable in /home/jenkins/workspace/vdsm_standard-check-patch/vdsm/.tox/storage-py27/bin/python2.7
Also creating executable in /home/jenkins/workspace/vdsm_standard-check-patch/vdsm/.tox/storage-py27/bin/python
Installing setuptools, pip, wheel...

  Complete output from command /home/jenkins/worksp...e-py27/bin/python2.7 - setuptools pip wheel:
  The directory '/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Looking in links: /usr/lib/python2.7/site-packages, /usr/lib/python2.7/site-packages/virtualenv_support
Collecting setuptools
  Downloading https://files.pythonhosted.org/packages/37/06/754589caf971b0d2d48f151c2586f62902d93dc908e2fd9b9b9f6aa3c9dd/setuptools-40.6.3-py2.py3-none-any.whl (573kB)
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/cli/base_command.py", line 143, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/commands/install.py", line 318, in run
    resolver.resolve(requirement_set)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/resolve.py", line 102, in resolve
    self._resolve_one(requirement_set, req)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/resolve.py", line 256, in _resolve_one
    abstract_dist = self._get_abstract_dist_for(req_to_install)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/resolve.py", line 209, in _get_abstract_dist_for
    self.require_hashes
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/operations/prepare.py", line 283, in prepare_linked_requirement
    progress_bar=self.progress_bar
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/download.py", line 836, in unpack_url
    progress_bar=progress_bar
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/download.py", line 673, in unpack_http_url
    progress_bar)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/download.py", line 897, in _download_http_url
    _download_url(resp, link, content_file, hashes, progress_bar)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/download.py", line 617, in _download_url
    hashes.check_against_chunks(downloaded_chunks)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/utils/hashes.py", line 48, in check_against_chunks
    for chunk in chunks:
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/download.py", line 585, in written_chunks
    for chunk in chunks:
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/utils/ui.py", line 159, in iter
    for x in it:
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_internal/download.py", line 574, in resp_read
    decode_content=False):
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_vendor/urllib3/response.py", line 465, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_vendor/urllib3/response.py", line 430, in read
    raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
  File "/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python2.7/site-packages/virtualenv_support/pip-18.1-py2.py3-none-any.whl/pip/_vendor/urllib3/response.py", line 345, in _error_catcher
    raise ReadTimeoutError(self._pool, None, 'Read timed out.')
ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.
----------------------------------------
...Installing setuptools, pip, wheel...done.
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/virtualenv.py", line 2462, in <module>
    main()
  File "/usr/lib/python2.7/site-packages/virtualenv.py", line 762, in main
    symlink=options.symlink,
  File "/usr/lib/python2.7/site-packages/virtualenv.py", line 1015, in create_environment
    install_wheel(to_install, py_executable, search_dirs, download=download)
  File "/usr/lib/python2.7/site-packages/virtualenv.py", line 968, in install_wheel
    call_subprocess(cmd, show_stdout=False, extra_env=env, stdin=SCRIPT)
  File "/usr/lib/python2.7/site-packages/virtualenv.py", line 854, in call_subprocess
    raise OSError("Command {} failed with error code {}".format(cmd_desc, proc.returncode))
OSError: Command /home/jenkins/worksp...e-py27/bin/python2.7 - setuptools pip wheel failed with error code 2
Running virtualenv with interpreter /usr/bin/python2.7

ERROR: Error creating virtualenv. Note that some special characters (e.g. ':' and unicode symbols) in paths are not supported by virtualenv. Error details: InvocationError('/usr/bin/python2 -m virtualenv --system-site-packages --python /usr/bin/python2.7 storage-py27 (see /home/jenkins/workspace/vdsm_standard-check-patch/vdsm/.tox/storage-py27/log/storage-py27-0.log)', 1)

Build: