if len(match) == 2 {
			allMatches.Insert(match[1])
		}
	}
	return sets.List(allMatches)
}

// checkIPTablesRuleJumps checks that every `-j` in the given rules jumps to a chain
// that we created and added rules to
func checkIPTablesRuleJumps(ruleData string) error {
	tables, err := parseIPTablesData(ruleData)
	if err != nil {
		return err
	}