fprintf(fp, "ealen=%d,prefix4len=%d,prefix6len=%d,ipv4prefix=%s,ipv6prefix=%s,",
rule->ea_len, rule->prefix4_len, rule->prefix6_len, buf4, buf6);
fprintf(fp, "ealen=%d,prefix4len=%d,prefix6len=%d,ipv4prefix=%s,ipv6prefix=%s,",
rule->ea_len, rule->prefix4_len, rule->prefix6_len, buf4, buf6);