The fix for FS-3577 causes instabilities if multiple listeners are connected it seems. Undoing this change for now until I can figure out the root cause.

src/mod/event_handlers/mod_erlang_event/mod_erlang_event.c

@@ -819,7 +819,7 @@ static void listener_main_loop(listener_t *listener)
 
 		/* do we need the mutex when reading? */
 		/*switch_mutex_lock(listener->sock_mutex); */
-		status = ei_xreceive_msg_tmo(listener->sockfd, &msg, &buf, 10);
+		status = ei_xreceive_msg_tmo(listener->sockfd, &msg, &buf, 100);
 		/*switch_mutex_unlock(listener->sock_mutex); */
 
 		switch (status) {