return defaultFirstID, defaultLen, nil
	} else {
		kernelVersion, err := utilkernel.GetVersion()
		if err != nil {
			return 0, 0, fmt.Errorf("failed to get kernel version, unable to determine if feature %s can be supported : %w",
				features.UserNamespacesSupport, err)
		}
		if kernelVersion != nil && !kernelVersion.AtLeast(version.MustParseGeneric(utilkernel.UserNamespacesSupportKernelVersion)) {