anchor.diff:                  {Node, FromPid} ->
                       case fully_connected(Node, Connections) of
                           true ->
  -                            lager:info("Node ~p is fully connected.", [Node]),
  +                            lager:debug("Node ~p is fully connected.", [Node]),
                               gen_server:reply(FromPid, ok),
                               lists:keydelete(FromPid, 2, SyncJoins0);
                           _ ->
  
positive.code:         ServerRef ! Message
      catch
          _:Error ->
              lager:info("Error forwarding message ~p to process ~p: ~p", [Message, ServerRef, Error])
      end,
      ok;
  receive_message(Message) ->
  
negative.code:     LeavingNodes = lists:filter(fun(N) ->
                                          not lists:member(N, NodesNames)
                                  end, CurrentMembership),
      % lager:debug("LeavingNodes: ~p", [LeavingNodes]),
  
      %% Issue leaves.
      State1 = lists:foldl(fun(N, S) ->
  