code: func StripDefaultNS(v string) string {
  	if idx := strings.IndexByte(v, '/'); idx > 0 {
  		if v[:idx] == api.IntentionDefaultNamespace {
  			return v[:idx+1]
  		}
  	}
  
  	return v
  }
docs: // StripDefaultNS strips the default namespace from an argument. For now,
  // the API and lookups strip this value from string output so we strip it.