Via packstack - same answer file works well for Kilo (and I believe it did work for me last week or so for Liberty!)

/var/tmp/packstack/20150823-142957-FXHwRF/manifests/10.102.42.90_neutron.pp.log :

C[mNotice: /Stage[main]/Neutron::Agents::Metadata/Neutron_metadata_agent_config[DEFAULT/admin_password]/value: value changed '[old secret redacted]' to '[new secret redacted]'ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Agents::Dhcp/Service[neutron-dhcp-service]: Triggered 'refresh' from 2 eventsESC[0m

ESC[mNotice: /Stage[main]/Neutron::Agents::L3/Service[neutron-l3]: Triggered 'refresh' from 2 eventsESC[0m

ESC[mNotice: /Stage[main]/Neutron::Agents::Metadata/Service[neutron-metadata]: Triggered 'refresh' from 4 eventsESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: No handlers could be found for logger "neutron.quota"ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: INFO [alembic.migration] Context impl MySQLImpl.ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: INFO [alembic.migration] Will assume non-transactional DDL.ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: INFO [alembic.migration] Context impl MySQLImpl.ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: INFO [alembic.migration] Will assume non-transactional DDL.ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: INFO [alembic.migration] Running upgrade juno -> 44621190bc02, add_uniqueconstraint_ipavailability_rangesESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: Running upgrade for neutron ...ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: Traceback (most recent call last):ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/bin/neutron-db-manage", line 10, in <module>ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: sys.exit(main())ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/neutron/db/migration/cli.py", line 519, in mainESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: CONF.command.func(config, CONF.command.name)ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/neutron/db/migration/cli.py", line 152, in do_upgradeESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: do_alembic_command(config, cmd, revision, sql=CONF.command.sql)ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/neutron/db/migration/cli.py", line 106, in do_alembic_commandESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: getattr(alembic_command, cmd)(config, *args, **kwargs)ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/alembic/command.py", line 165, in upgradeESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: script.run_env()ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/alembic/script.py", line 382, in run_envESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: util.load_python_file(self.dir, 'env.py')ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/alembic/util.py", line 242, in load_python_fileESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: module = load_module_py(module_id, path)ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/alembic/compat.py", line 79, in load_module_pyESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: mod = imp.load_source(module_id, path, fp)ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/neutron/db/migration/alembic_migrations/env.py", line 126, in <module>ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: run_migrations_online()ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/neutron/db/migration/alembic_migrations/env.py", line 117, in run_migrations_onlineESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: context.run_migrations()ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "<string>", line 7, in run_migrationsESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/alembic/environment.py", line 742, in run_migrationsESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: self.get_context().run_migrations(**kw)ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: File "/usr/lib/python2.7/site-packages/alembic/migration.py", line 305, in run_migrationsESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: step.migration_fn(**kw)ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: columns=['first_ip', 'allocation_pool_id']ESC[0m

ESC[mNotice: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]/returns: TypeError: create_unique_constraint() takes at least 3 arguments (0 given)ESC[0m

ESC[1;31mError: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]: Failed to call refresh: neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini upgrade head returned 1 instead of one of [0]ESC[0m

ESC[1;31mError: /Stage[main]/Neutron::Db::Sync/Exec[neutron-db-sync]: neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini upgrade head returned 1 instead of one of [0]ESC[0m

[root@lgdrm996 yum.repos.d]# cat rdo-testing.repo

[openstack-kilo-testing]

name=OpenStack Kilo Testing

baseurl=http://repos.fedorapeople.org/repos/openstack/openstack-kilo/testing/el7/

skip_if_unavailable=0

gpgcheck=0

enabled=0

[root@lgdrm996 yum.repos.d]# cat rdo-release.repo

[openstack-kilo]

name=OpenStack Kilo Repository

baseurl=http://repos.fedorapeople.org/repos/openstack/openstack-kilo/el7/

skip_if_unavailable=0

enabled=1

gpgcheck=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-RDO-kilo

[root@lgdrm996 yum.repos.d]# cat delorean.repo

[delorean]

name=delorean-openstack-cinder-f6dafdaa2423cc50d0bbf1f376626e240ce1a761

baseurl=http://trunk.rdoproject.org/centos7/f6/da/f6dafdaa2423cc50d0bbf1f376626e240ce1a761_1bcc81bc

enabled=1

gpgcheck=0