Update to new sepcs actors, more debug

Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>

node/hello/hello.go

@@ -94,7 +94,7 @@ func (hs *Service) HandleStream(s inet.Stream) {
 
 	ts, err := hs.syncer.FetchTipSet(context.Background(), s.Conn().RemotePeer(), types.NewTipSetKey(hmsg.HeaviestTipSet...))
 	if err != nil {
-		log.Errorf("failed to fetch tipset from peer during hello: %s", err)
+		log.Errorf("failed to fetch tipset from peer during hello: %+v", err)
 		return
 	}