Apply suggestions from code review

Author: sureshanaparti

server/src/main/java/com/cloud/configuration/ConfigurationManagerImpl.java

@@ -5052,7 +5052,7 @@ public Vlan createVlanAndPublicIpRange(final long zoneId, final long networkId,
             } else if (ipv6) {
                 String networkIp6Cidr = networkVO.getIp6Cidr();
                 String newNetworkIp6Cidr = com.cloud.utils.StringUtils.updateCommaSeparatedStringWithValue(networkIp6Cidr, vlanIp6Cidr, true);
-                networkVO.setCidr(newNetworkIp6Cidr);
+                networkVO.setIp6Cidr(newNetworkIp6Cidr);
 
                 String networkIp6Gateway = networkVO.getIp6Gateway();
                 String newNetworkIp6Gateway = com.cloud.utils.StringUtils.updateCommaSeparatedStringWithValue(networkIp6Gateway, vlanIp6Gateway, true);
@@ -6110,7 +6110,7 @@ private boolean deleteAndPublishVlanAndPublicIpRange(final long userId, final lo
             } else if (ipv6) {
                 String networkIp6Cidr = networkVO.getIp6Cidr();
                 String newNetworkIp6Cidr = com.cloud.utils.StringUtils.updateCommaSeparatedStringWithValue(networkIp6Cidr, deletedVlan.getIp6Cidr(), false);
-                networkVO.setCidr(newNetworkIp6Cidr);
+                networkVO.setIp6Cidr(newNetworkIp6Cidr);
 
                 String networkIp6Gateway = networkVO.getIp6Gateway();
                 String newNetworkIp6Gateway = com.cloud.utils.StringUtils.updateCommaSeparatedStringWithValue(networkIp6Gateway, deletedVlan.getIp6Gateway(), false);