anchor.diff:                 [publickey_msg, password_msg, keyboard_interactive_msg])
       ];
   
  -dbg_ssh(hostkey) ->
  +dbg_ssh0(hostkey) ->
       [dbg:tpl(ssh_transport, verify_host_key, 4, x),
        dbg:tp(ssh_transport, verify, 4, x),
        dbg:tpl(ssh_transport, known_host_key, 3, x),
  
positive.code: 		      msg_formater(Type, MangleArgFun(Arg), D)
  	      end,
      InitialData = #data{writer = WriteFun,
                          acc = Init},
      {ok,_} = dbg:tracer(process, {Handler, InitialData}),
      ok.
  
  %%%----------------------------------------------------------------
  shrink_bin(B) when is_binary(B), size(B)>256 -> {'*** SHRINKED BIN',
  
negative.code:      dbg:tpl(ssh_transport, is_host_key, 5, x)
      ];
  
  dbg_ssh0(msg) ->
      [dbg_ssh0(hostkey),
       dbg_ssh0(auth),
       dbg:tp(ssh_message,encode,1, x),
       dbg:tp(ssh_message,decode,1, x),
       dbg:tpl(ssh_transport,select_algorithm,4, x),
  