Test fail because libnl3 is missing

[Nir Soffer]

Hi all,

Seems that libnl3 is missing on some of the slaves - can you check this?

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ERROR: test_fail_when_importing_ext_mod (crossImportsTests.CrossImportsTestCaseShould)
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Traceback (most recent call last):
  File "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit_el/vdsm/tests/monkeypatch.py", line 133, in wrapper
    return f(*args, **kw)
  File "/usr/lib64/python2.6/contextlib.py", line 34, in __exit__
    self.gen.throw(type, value, traceback)
  File "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit_el/vdsm/tests/monkeypatch.py", line 110, in MonkeyPatchScope
    yield {}
  File "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit_el/vdsm/tests/monkeypatch.py", line 133, in wrapper
    return f(*args, **kw)
  File "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit_el/vdsm/tests/crossImportsTests.py", line 55, in test_fail_when_importing_ext_mod
    __import__(pkg_name, fromlist=mods)
  File "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit_el/vdsm/lib/vdsm/netinfo.py", line 36, in <module>
    from .ipwrapper import drv_name
  File "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit_el/vdsm/lib/vdsm/ipwrapper.py", line 41, in <module>
    from .netlink import link
  File "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit_el/vdsm/lib/vdsm/netlink/__init__.py", line 117, in <module>
    LIBNL = CDLL('libnl-3.so.200',  use_errno=True)
  File "/usr/lib64/python2.6/ctypes/__init__.py", line 353, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: libnl-3.so.200: cannot open shared object file: No such file or directory

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Ran 1 test in 0.109s