code reivew remarks

Author: adamsmo

src/main/scala/io/iohk/ethereum/network/rlpx/RLPxConnectionHandler.scala

@@ -137,8 +137,11 @@ class RLPxConnectionHandler(
       case Success(message) =>
         context.parent ! MessageReceived(message)
 
-      case Failure(ex) =>
+      case Failure(ex) => if (log.isDebugEnabled) {
+        log.error(ex, s"Cannot decode message from $peerId")
+      } else {
         log.error(s"Cannot decode message from $peerId because ${ex.getMessage}")
+      }
     }
 
     /**

src/universal/conf/network.conf

@@ -29,11 +29,11 @@ grothendieck {
 
     peer {
       # Retry delay for failed attempt at connecting to a peer
-      # connect-retry-delay = 20 seconds
+      # connect-retry-delay = 1 minute
 
       # Maximum number of reconnect attempts after the connection has been initiated.
       # After that, the connection will be dropped until its initiated again (eg. by peer discovery)
-      # connect-max-retries = 30
+      # connect-max-retries = 2
 
       # Maximum number of peers this node can connect to
       # max-peers = 40