[signal] adjust signal log levels 2 (#3817)

Author: pascal-fischer

signal/peer/peer.go

@@ -79,7 +79,7 @@ func (registry *Registry) Register(peer *Peer) {
 	p, loaded := registry.Peers.LoadOrStore(peer.Id, peer)
 	if loaded {
 		pp := p.(*Peer)
-		log.Debugf("peer [%s] is already registered [new streamID %d, previous StreamID %d]. Will override stream.",
+		log.Tracef("peer [%s] is already registered [new streamID %d, previous StreamID %d]. Will override stream.",
 			peer.Id, peer.StreamID, pp.StreamID)
 		registry.Peers.Store(peer.Id, peer)
 		return

signal/server/signal.go

@@ -169,7 +169,7 @@ func (s *Server) forwardMessageToPeer(ctx context.Context, msg *proto.EncryptedM
 
 	// forward the message to the target peer
 	if err := dstPeer.Stream.Send(msg); err != nil {
-		log.Warnf("error while forwarding message from peer [%s] to peer [%s] %v", msg.Key, msg.RemoteKey, err)
+		log.Tracef("error while forwarding message from peer [%s] to peer [%s] %v", msg.Key, msg.RemoteKey, err)
 		// todo respond to the sender?
 		s.metrics.MessageForwardFailures.Add(ctx, 1, metric.WithAttributes(attribute.String(labelType, labelTypeError)))
 		return