continue
		}

		return filepath.Base(confFile), nil
	}

	return "", fmt.Errorf("no valid networks found in %s", confDir)
}

// insertCNIConfig will append newCNIConfig to existingCNIConfig
func insertCNIConfig(newCNIConfig, existingCNIConfig []byte) ([]byte, error) {
	var istioMap map[string]any
	err := json.Unmarshal(newCNIConfig, &istioMap)
	if err != nil {