Description of problem: OSP-d deploys Keystone to run under eventlet which is deprecated as of the Kilo release. Recommended way is to configure Keystone to be run by mod_wsgi under httpd. http://docs.openstack.org/developer/keystone/configuration.html
Upstream patch: https://review.openstack.org/#/c/213175/
This bug did not make the OSP 8.0 release. It is being deferred to OSP 10.
Landed in OSP9