throw new OpsException("tunnelId already in use");
}
}
if (item.cidr == null) {
IpV6Range networkRange = (IpV6Range) IpRange.parse(network.cidr);
for (IpV6Range range : networkRange.listSubnets(16)) {
boolean overlap = false;
for (IpV6Range cidr : cidrs) {
if (range.overlaps(cidr)) {
overlap = true;