add debug log for strange pooled packets

synced-pool.go

@@ -240,7 +240,9 @@ func NewPacketQueue(connection net.Conn) *PacketQueue {
 			queue.mu.Lock()
 			for i, packet := range queue.Packets {
 				if time.Since(packet.Added) < time.Second*5 {
-					queue.Packets = queue.Packets[i:]
+					stillInQueue := queue.Packets[i:]
+					log.Printf("DEBUG: Requeueing %v packets\n", stillInQueue)
+					queue.Packets = stillInQueue
 					packetQueue.Set(float64(len(queue.Packets)))
 					break
 				}
@@ -498,7 +500,9 @@ func (p *SyncedPool) addRemoteHost(address string, remote *RemoteHost) error {
 }
 
 func (p *SyncedPool) AddRemote(address string) error {
-
+	if address == "" || p.IsKnown(address) {
+		return nil
+	}
 	connection, err := net.Dial("tcp", fmt.Sprintf("%s:1338", address))
 	if err != nil {
 		log.Printf("Error connecting to remote %s: %v\n", address, err)