if err != nil {
			return "", err
		}
		cniConfig, err = insertCNIConfig(cniConfig, existingCNIConfig)
		if err != nil {
			return "", err
		}
	}

	if err = file.AtomicWrite(cniConfigFilepath, cniConfig, os.FileMode(0o644)); err != nil {
		installLog.Errorf("Failed to write CNI config file %v: %v", cniConfigFilepath, err)
		return cniConfigFilepath, err
	}