vpp settings interface <ethN> dpdk-options should be removed and child options moved to a higher level:
set vpp settings interface <ethN> dpdk-options num-rx-desc <u32:256-16384> set vpp settings interface <ethN> dpdk-options num-rx-queues <u32:1-8192> set vpp settings interface <ethN> dpdk-options num-tx-desc <u32:256-8192> set vpp settings interface <ethN> dpdk-options num-tx-queues <u32:1-8192>
set vpp settings interface <ethN> num-rx-desc <u32:256-16384> set vpp settings interface <ethN> num-rx-queues <u32:1-8192> set vpp settings interface <ethN> num-tx-desc <u32:256-8192> set vpp settings interface <ethN> num-tx-queues <u32:1-8192>
set vpp settings interface <ethN> dpdk-options promisc should be removed.