if ! [[ "$Q_ML2_PLUGIN_MECHANISM_DRIVERS" =~ "opencontrail" ]]; then
    Q_ML2_PLUGIN_MECHANISM_DRIVERS="opencontrail,$Q_ML2_PLUGIN_MECHANISM_DRIVERS"
fi

if ! [[ "$Q_SERVICE_PLUGIN_CLASSES" =~ "opencontrail-router" ]]; then
    Q_SERVICE_PLUGIN_CLASSES="opencontrail-router,$Q_SERVICE_PLUGIN_CLASSES"
fi

OPENCONTRAIL_DIR=${OPENCONTRAIL_DIR:-$DEST/networking-opencontrail}

OPENCONTRAIL_ML2_CONF_SAMPLE=$OPENCONTRAIL_DIR/etc/ml2_conf_opencontrail.ini
OPENCONTRAIL_ML2_CONF_FILE=${OPENCONTRAIL_ML2_CONF_FILE:-"$NEUTRON_CONF_DIR/ml2_conf_opencontrail.ini"}
