ds_put_format(&ds, " udp_csum:%"PRIx16, ntohs(uh->udp_csum));
} else if (flow.nw_proto == IPPROTO_SCTP && l4_size >= SCTP_HEADER_LEN) {
ds_put_format(&ds, " udp_csum:%"PRIx16, ntohs(uh->udp_csum));
} else if (flow.nw_proto == IPPROTO_SCTP && l4_size >= SCTP_HEADER_LEN) {