dpdk_t/rxd_sz as per https://github.com/Juniper/contrail-vrouter/commit/7bf9a302496ca6d46e14a66c3d492a03210a74e2
dpdk_t/rxd_sz as per https:/ /github. com/Juniper/ contrail- vrouter/ commit/ 7bf9a302496ca6d 46e14a66c3d492a 03210a74e2