--- upgrade: - The variable ``neutron_apt_packages`` has been renamed to ``neutron_distro_packages``. - The variable ``neutron_lbaas_apt_packages`` has been renamed to ``neutron_lbaas_distro_packages``. - The variable ``neutron_vpnaas_apt_packages`` has been renamed to ``neutron_vpnaas_distro_packages``. - The variable ``neutron_apt_remove_packages`` has been renamed to ``neutron_remove_distro_packages``.