Log errors closing connection net.Conn's

connection.go

@@ -230,8 +230,14 @@ func (cn *connection) Close() {
 	cn.discardPieceInclination()
 	cn.pieceRequestOrder.Clear()
 	if cn.conn != nil {
-		// TODO: This call blocks sometimes, why?
-		go cn.conn.Close()
+		go func() {
+			// TODO: This call blocks sometimes, why? Maybe it was the Go utp
+			// implementation?
+			err := cn.conn.Close()
+			if err != nil {
+				log.Printf("error closing connection net.Conn: %s", err)
+			}
+		}()
 	}
 }