buf_len += snprintf(&buf[buf_len], 12, ",%u", e[i].priority);
} else {
buf_len += snprintf(&buf[buf_len], 24, ",%u,%u", e[i].preferred, e[i].valid);
buf_len += snprintf(&buf[buf_len], 12, ",%u", e[i].priority);
} else {
buf_len += snprintf(&buf[buf_len], 24, ",%u,%u", e[i].preferred, e[i].valid);