The [keystone] configuration block no longer exists in ironic.conf
and was deprecated in Queens. Use 'region_name' option in the
following sections - '[service_catalog]', '[neutron]', '[glance]',
'[cinder]', '[swift]' and '[inspector]' to configure region for those
services individually.
Change-Id: I40a073f9aa6e40f35dffab6223308a18fa98e7ac
e02da14854