- * Destroy channels on the consumer if in no output mode because the
- * streams are in *no* monitor mode so we have to send a command to clean
- * them up or else they leaked.
+ * Destroy channels on the consumer if at least one FD has been sent and we
+ * are in no output mode because the streams are in *no* monitor mode so we
+ * have to send a command to clean them up or else they leaked.