String getIpAddress() {
        return ipAddress;
    }
@Test
    void validateIpAddressFromIpCidrString() {
        IpSubnetFilterRule rule = new IpSubnetFilterRule("10.10.0.0/16", IpFilterRuleType.ACCEPT);
        assertThat(rule.getIpAddress()).isEqualTo("10.10.0.0");
    }