Pass AllExcept messages unconditionally.

src/traits.rs

@@ -285,12 +285,10 @@ where
                             }
                         }
                     }
-                    if exclude.len() < peer_epochs.len() {
                     passed_msgs.push(Target::AllExcept(exclude).message(msg.message));
                 }
             }
         }
-        }
         self.messages.extend(passed_msgs);
         deferred_msgs
     }