INFO:__main__:Kolla config strategy set to: COPY_ONCE
INFO:__main__:Loading config file at /var/lib/kolla/config_files/config.json
INFO:__main__:Validating config file
INFO:__main__:Copying service configuration files
INFO:__main__:Copying /var/lib/kolla/config_files/neutron.conf to /etc/neutron/neutron.conf
INFO:__main__:Setting permissions for /etc/neutron/neutron.conf
INFO:__main__:Copying /var/lib/kolla/config_files/ml2_conf.ini to /etc/neutron/plugins/ml2/ml2_conf.ini
INFO:__main__:Setting permissions for /etc/neutron/plugins/ml2/ml2_conf.ini
INFO:__main__:Writing out command to execute
Traceback (most recent call last):
  File "/var/lib/kolla/venv/bin/neutron-db-manage", line 10, in <module>
    sys.exit(main())
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/db/migration/cli.py", line 686, in main
    return_val |= bool(CONF.command.func(config, CONF.command.name))
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/db/migration/cli.py", line 205, in do_upgrade
    run_sanity_checks(config, revision)
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/db/migration/cli.py", line 670, in run_sanity_checks
    script_dir.run_env()
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/alembic/script/base.py", line 407, in run_env
    util.load_python_file(self.dir, 'env.py')
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/alembic/util/pyfiles.py", line 93, in load_python_file
    module = load_module_py(module_id, path)
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/alembic/util/compat.py", line 79, in load_module_py
    mod = imp.load_source(module_id, path, fp)
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/db/migration/alembic_migrations/env.py", line 23, in <module>
    from neutron.db.migration.models import head  # noqa
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/db/migration/models/head.py", line 66, in <module>
    from neutron.tests import tools
  File "/var/lib/kolla/venv/lib/python2.7/site-packages/neutron/tests/tools.py", line 26, in <module>
    import fixtures
ImportError: No module named fixtures