def create_mplsvpn(self, context, mplsvpn):
        mplsvpn = super(MPLSVPNDriverPlugin, self).create_mplsvpn(context,
                                                                  mplsvpn)
        """Get service driver."""
        driver = self._get_driver()
        """Call service driver to create mplsvpn instance on device."""
        mplsvpn = driver.create_mplsvpn(context, mplsvpn)
        (super(MPLSVPNDriverPlugin, self).
            update_mplsvpn_status_and_name(context, mplsvpn))
        return mplsvpn
Call super to create row in DB.
dataset/ETHPy150Open openstack/networking-edge-vpn/neutron/neutron/services/mplsvpn/plugin.py/MPLSVPNDriverPlugin.create_mplsvpn