anchor.diff:  
   add_service({_Protocol, IP, Port}, BEs, #state{ipvs_mgr = IPVSMgr}) ->
       minuteman_ipvs_mgr:add_service(IPVSMgr, IP, Port),
  -    lists:foreach(fun({_AgentIP, {BEIP, BEPort}}) ->  minuteman_ipvs_mgr:add_dest(IPVSMgr, IP, Port, BEIP, BEPort) end, BEs).
  +    lists:foreach(
  +        fun({_AgentIP, {BEIP, BEPort}}) ->
  +            minuteman_ipvs_mgr:add_dest(IPVSMgr, IP, Port, BEIP, BEPort)
  +        end,
  +        BEs).
   
   process_reachability(VIPs0, State) ->
       lists:map(fun({VIP, BEs0}) -> {VIP, reachable_backends(BEs0, State)} end, VIPs0).
  
positive.code:                     ]
                  }
              ]),
      ?assertEqual({[], [], [{{tcp, {11, 136, 231, 163}, 80}, [{{10, 0, 1, 107},{{10, 0, 1, 107}, 18818}}, {{10, 0, 3, 98}, {{10, 0, 3, 98}, 12930}}], []}]},
          Diff2).
  -endif.
  
negative.code:                     ]
                  }
              ]),
      ?assertEqual(
          {[], [], [{{tcp, {11, 136, 231, 163}, 80}, [{{10, 0, 1, 107}, {{10, 0, 1, 107}, 15671}}], []}]}, Diff1),
      Diff2 =
          generate_diff(
              [
  