Comment 42 for bug 1548450

Not sure if it's related, but stable/kilo unit tests are failing with:

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Failed 1 tests - output below:
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nova.tests.unit.virt.libvirt.test_driver.LibvirtDriverTestCase.test_migrate_disk_and_power_off_resize_copy_disk_info
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Captured pythonlogging:
~~~~~~~~~~~~~~~~~~~~~~~
    2016-03-01 15:16:29,413 WARNING [nova.virt.libvirt.firewall] Libvirt module could not be loaded. NWFilterFirewall will not work correctly.

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    Traceback (most recent call last):
      File "/home/centos/cve/nova_kilo/.tox/py27/lib/python2.7/site-packages/mock.py", line 1201, in patched
        return func(*args, **keywargs)
      File "nova/tests/unit/virt/libvirt/test_driver.py", line 11683, in test_migrate_disk_and_power_off_resize_copy_disk_info
        on_completion=mock.ANY, compression=mock.ANY)
      File "/home/centos/cve/nova_kilo/.tox/py27/lib/python2.7/site-packages/mock.py", line 891, in assert_any_call
        '%s call not found' % expected_string
    AssertionError: copy_image(u'/test_resize/disk.info', u'/test/disk.info', on_execute=<ANY>, host=<mock._Sentinel object at 0x26b27d0>, on_completion=<ANY>, compres
sion=<ANY>) call not found