Compatibility information between NPAR and Intel retail network card.
Unable to use Intel retail network card with Network partition for the models XXV710-DA2 / X710 and E810
NPAR is not supported on Intel retail network cards.
Dell* branded Original Equipment Manufacturer (OEM) adapters support NPAR when used in a Dell server. The difference is that OEM products are modified by the manufacturer.
This includes the Dell* branded XXV710. Contact DELL for more information.
Please go through this link for reference : Intel X710, and refer to NIC Partitioning Page 15.