store modbus params always on the server side

app/src/gen3/talent.py

@@ -392,11 +392,11 @@ class Talent(Message):
                                  self.header_len+self.data_len]
 
         if self.ctrl.is_req():
-            if not self.mb.recv_req(data[hdr_len:]):
-                return
-
-            self.forward_modbus_resp = True
-            self.inc_counter('Modbus_Command')
+            if not self.remoteStream.mb.recv_req(data[hdr_len:]):
+                self.inc_counter('Invalid_Msg_Format')
+            else:
+                self.inc_counter('Modbus_Command')
+            self.remoteStream.forward_modbus_resp = True
         elif self.ctrl.is_ind():
             # logger.debug(f'Modbus Ind  MsgLen: {modbus_len}')
             self.modbus_elms = 0