anchor.diff:      %% the max number of executions a port is allowed to
       %% do before being re-scheduled is N * 20
   
  +    ?P("read-packets test verification when: "
  +       "~n      N1: ~p"
  +       "~n      V1: ~p"
  +       "~n   vs"
  +       "~n      N2: ~p"
  +       "~n      V2: ~p", [N1, V1, N2, V2]),
       if
           V1 > (N1 * 20) ->
               ct:fail("Got ~p msgs, max was ~p", [V1, N1]);
  
positive.code:     Config.
  
  
  init_per_testcase(_Case, Config) ->
      Config.
  
  
negative.code: 
  read_packets_verify(R, SP, Trace) ->
      [Max | _] = Pkts = lists:reverse(lists:sort(read_packets_verify(R, SP, Trace, 0))),
      ?P("read-packets verify: ~p", [lists:sublist(Pkts,10)]),
      Max.
  
  read_packets_verify(R, SP, [{trace,R,OutIn,_}|Trace], M) 
  