fs.Int32Var(&o.NodeCIDRMaskSize, "node-cidr-mask-size", o.NodeCIDRMaskSize, "Mask size for node cidr in cluster. Default is 24 for IPv4 and 64 for IPv6.")
	fs.Int32Var(&o.NodeCIDRMaskSizeIPv4, "node-cidr-mask-size-ipv4", o.NodeCIDRMaskSizeIPv4, "Mask size for IPv4 node cidr in dual-stack cluster. Default is 24.")

	out.ServiceCIDR = in.ServiceCIDR
	out.SecondaryServiceCIDR = in.SecondaryServiceCIDR
	out.NodeCIDRMaskSize = in.NodeCIDRMaskSize
	out.NodeCIDRMaskSizeIPv4 = in.NodeCIDRMaskSizeIPv4
	out.NodeCIDRMaskSizeIPv6 = in.NodeCIDRMaskSizeIPv6
	return nil
}

	// This can be used only with single stack clusters and is incompatible with dual stack clusters.
	NodeCIDRMaskSize int32
	// NodeCIDRMaskSizeIPv4 is the mask size for IPv4 node cidr in dual-stack cluster.
	// This can be used only with dual stack clusters and is incompatible with single stack clusters.
	NodeCIDRMaskSizeIPv4 int32
	// NodeCIDRMaskSizeIPv6 is the mask size for IPv6 node cidr in dual-stack cluster.

		}

		if cfg.NodeCIDRMaskSizeIPv4 != 0 {
			ipv4Mask = int(cfg.NodeCIDRMaskSizeIPv4)
		}
		if cfg.NodeCIDRMaskSizeIPv6 != 0 {
			ipv6Mask = int(cfg.NodeCIDRMaskSizeIPv6)
		}
		return sortedSizes(ipv4Mask, ipv6Mask), nil
	}

	maskConfigured := cfg.NodeCIDRMaskSize != 0
	maskV4Configured := cfg.NodeCIDRMaskSizeIPv4 != 0
	maskV6Configured := cfg.NodeCIDRMaskSizeIPv6 != 0