code: func NewCNIConfig(path []string, exec invoke.Exec) *CNIConfig {
  	return &CNIConfig{
  		Path: path,
  		exec: exec,
  	}
  }
docs: // NewCNIConfig returns a new CNIConfig object that will search for plugins
  // in the given paths and use the given exec interface to run those plugins,
  // or if the exec interface is not given, will use a default exec handler.