if len(cidrStr) != 0 {
				klog.ErrorS(err, "Invalid CIDR ignored", "CIDR", cidrStr)
			}
			continue
		}
		// since we just succefully parsed the CIDR, IPFamilyOfCIDR will never return "IPFamilyUnknown"
		ipFamily := convertToV1IPFamily(netutils.IPFamilyOfCIDR(cidr))
		ipFamilyMap[ipFamily] = append(ipFamilyMap[ipFamily], cidr)
	}
	return ipFamilyMap
}