Fix duplicate auth_section issue
Fix duplicate auth_section issue

Due to the keystonemiddleware upgrade, now we're running into a
gate failure. This is just a workaround, we will upgrade to
keystoneauth1 soon.

Change-Id: I70517e6a3122b529b9d337dd6472761aedebcf47

openstack/zaqar,openstack/zaqar,openstack/zaqar,openstack/zaqar