("error: You must be logged in to the server (%s)", s.Message), true
		case len(s.Reason) > 0:
			return fmt.Sprintf("Error from server (%s): %s", s.Reason, err.Error()), true
		default:
			return fmt.Sprintf("Error from server: %s", err.Error()), true
		}
	case apierrors.IsUnexpectedObjectError(err):
		return fmt.Sprintf("Server returned an unexpected response: %s", err.Error()), true
	}
	switch t := err.(type) {
	case *url.Error:
		klog.V(4).Infof("Connection error: %s %s: %v", t.Op, t.URL, t.Err)
		switch {
		case strings.Contains(t.Err.Error(), "connection refused"):
			host := t.URL
			if server, err := url.Parse(t.URL); err == nil {
				host = server.Host
			}
			return fmt.Sprintf("The connection to the server %s was refused - did you specify the right host or port?", host), true
		}
		return fmt.Sprintf("Unable to connect to the server: %v", t.Err), true
	}
	return "", false
}

// MultilineError returns a string representing an error that splits sub errors into their own
// lines. The returned string will end with a newline.
func MultilineError(prefix string, err error) string {
	if agg, ok := err.(utilerrors.Aggregate); ok {
		errs := utilerrors.Flatten(agg).Errors()
		buf := &bytes.Buffer{}
		switch len(errs) {
		case 0:
			return fmt.Sprintf("%s%v\n", prefix, err)
		case 1:
			return fmt.Sprintf("%s%v\n", prefix, messageForError(errs[0]))
		default:
			fmt.Fprintln(buf, prefix)
			for _, err := range errs {
				fmt.Fprintf(buf, "* %v\n", messageForError(err))
			}
			return buf.String()
		}
	}
	return fmt.Sprintf("%s%s\n", prefix, err)
}

// PrintErrorWithCauses prints an error's kind, name, and each of the error's causes in a new line.
// The returned string will end with a newline.
// Returns true if a case exists to handle the error type, or false otherwise.
func PrintErrorWithCauses(err error, errOut io.Writer) bool {
	switch t := err.(type) {
	case *apierrors.StatusError:
		errorDetails := t.Status().Details
		if errorDetails != nil {
			fmt.Fprintf(errOut, "error: %s %q is invalid\n\n", errorDeta