anchor.diff:                                                          Membership,
                                                           Connections0),
   
  -                    lager:info("Received updated membership state: ~p from ~p", [Members, From]),
  +                    lager:debug("Received updated membership state: ~p from ~p", [Members, From]),
   
                       %% Gossip.
                       do_gossip(Membership, Connections),
  
positive.code: 
  %% @private
  fully_connected(Node, Connections) ->
      lager:info("Checking if node ~p is fully connected.", [Node]),
  
      Parallelism = maps:get(parallelism, Node, ?PARALLELISM),
  
  
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) ->
  