ofpbuf_use_stack(&buf, &state->maskbuf, sizeof state->maskbuf);
minimask_expand(&netdev_flow->cr.match.mask, &wc);
odp_flow_key_from_mask(&buf, &wc.masks, &netdev_flow->flow,
ofpbuf_use_stack(&buf, &state->maskbuf, sizeof state->maskbuf);
minimask_expand(&netdev_flow->cr.match.mask, &wc);
odp_flow_key_from_mask(&buf, &wc.masks, &netdev_flow->flow,