2014-10-07 23:49:57.602 25325 INFO nova.openstack.common.periodic_task [-] Skipping periodic task _periodic_update_dns because its interval is negative
2014-10-07 23:49:57.628 25325 INFO nova.virt.driver [-] Loading compute driver 'nova.virt.ironic.driver.IronicDriver'
2014-10-07 23:49:57.628 25325 ERROR nova.virt.driver [-] Unable to load the virtualization driver
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver Traceback (most recent call last):
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver   File "/usr/lib/python2.7/site-packages/nova/virt/driver.py", line 1392, in load_compute_driver
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver     virtapi)
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver   File "/usr/lib/python2.7/site-packages/nova/openstack/common/importutils.py", line 52, in import_object_ns
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver     return import_class(import_str)(*args, **kwargs)
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver   File "/usr/lib/python2.7/site-packages/nova/openstack/common/importutils.py", line 27, in import_class
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver     __import__(mod_str)
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver ImportError: No module named driver
2014-10-07 23:49:57.628 25325 TRACE nova.virt.driver