rem: printf("--spi %u-%u ",
add: printf("%u:%u ",
context: static void save(const struct ipt_ip *ip, const struct ipt_entry_match *match){	const struct ipt_esp *espinfo = (struct ipt_esp *)match->data;	if (espinfo->spis[0] != 0	    && espinfo->spis[1] != 0xFFFFFFFF) {		if (espinfo->invflags & IPT_ESP_INV_SPI)			printf("! ");		if (espinfo->spis[0]		    != espinfo->spis[1])			printf("--spi %u-%u ",			       espinfo->spis[0],			       espinfo->spis[1]);		else			printf("--spi %u ",			       espinfo->spis[0]);	}}