anchor.diff:  %% Get up to date information about IPs in the cluster.
   %% @end
   %%--------------------------------------------------------------------
  --spec get_cluster_ips() -> [binary()] | no_return().
  +-spec get_cluster_ips() -> [inet:ip4_address()] | no_return().
   get_cluster_ips() ->
       {ok, Nodes} = get_cluster_nodes(),
   
       lists:map(fun(Node) ->
  -        gen_server2:call({?NODE_MANAGER_NAME, Node}, get_ip_address)
  +        {_, _, _, _} = rpc:call(Node, ?MODULE, get_ip_address, [])
       end, Nodes).
  
positive.code: 
      log_monitoring_stats(LogFile, Format, Args).
  
  %%--------------------------------------------------------------------
  %% @doc
  %% Fetches cluster nodes from cluster manager.
  
negative.code: -spec stop() -> ok.
  stop() ->
      gen_server2:cast(?NODE_MANAGER_NAME, stop).
  
  
  %%--------------------------------------------------------------------
  