In a fresh install of RDO liberty, I see the following in /var/log/nova/*: nova-api.log:2016-01-19 21:43:44.743 30978 WARNING nova.api.ec2.cloud [-] Deprecated: The in tree EC2 API is deprecated as of Kilo release and may be removed in a future release. The stackforge ec2-api project http://git.openstack.org/cgit/stackforge/ec2-api/ is the target replacement for this functionality. nova-api.log:2016-01-19 21:43:45.288 30978 WARNING keystonemiddleware.auth_token [-] Use of the auth_admin_prefix, auth_host, auth_port, auth_protocol, identity_uri, admin_token, admin_user, admin_password, and admin_tenant_name configuration options is deprecated in favor of auth_plugin and related options and may be removed in a future release. nova-api.log:2016-01-19 21:43:45.450 30978 WARNING keystonemiddleware.auth_token [-] Use of the auth_admin_prefix, auth_host, auth_port, auth_protocol, identity_uri, admin_token, admin_user, admin_password, and admin_tenant_name configuration options is deprecated in favor of auth_plugin and related options and may be removed in a future release. nova-api.log:2016-01-19 21:43:45.534 30978 WARNING keystonemiddleware.auth_token [-] Use of the auth_admin_prefix, auth_host, auth_port, auth_protocol, identity_uri, admin_token, admin_user, admin_password, and admin_tenant_name configuration options is deprecated in favor of auth_plugin and related options and may be removed in a future release. Option "admin_auth_url" from group "neutron" is deprecated for removal. Its value may be silently ignored in the future. Option "admin_password" from group "neutron" is deprecated for removal. Its value may be silently ignored in the future. Option "admin_tenant_name" from group "neutron" is deprecated for removal. Its value may be silently ignored in the future. Option "admin_username" from group "neutron" is deprecated for removal. Its value may be silently ignored in the future. Option "amqp_durable_queues" from group "DEFAULT" is deprecated. Use option "amqp_durable_queues" from group "oslo_messaging_rabbit". Option "auth_strategy" from group "neutron" is deprecated for removal. Its value may be silently ignored in the future. Option "lock_path" from group "DEFAULT" is deprecated. Use option "lock_path" from group "oslo_concurrency". Option "novncproxy_base_url" from group "DEFAULT" is deprecated. Use option "novncproxy_base_url" from group "vnc". The use of deprecated options can complicate the upgrade process if support for the deprecated options is dropped in the newer release.
This bug is against a Version which has reached End of Life. If it's still present in supported release (http://releases.openstack.org), please update Version and reopen.