code: func DelegateAdd(ctx context.Context, delegatePlugin string, netconf []byte, exec Exec) (types.Result, error) {
  	pluginPath, realExec, err := delegateCommon("ADD", delegatePlugin, exec)
  	if err != nil {
  		return nil, err
  	}
  
  	return ExecPluginWithResult(ctx, pluginPath, netconf, ArgsFromEnv(), realExec)
  }
docs: // DelegateAdd calls the given delegate plugin with the CNI ADD action and
  // JSON configuration