code: def populate_fw_dev(self, fw_id, mgmt_ip, new):
          
          for cnt in self.res:
              used = self.res.get(cnt).get('used')
              if mgmt_ip == self.res[cnt].get('mgmt_ip'):
                  if new:
                      self.res[cnt]['used'] = used + 1
                  self.res[cnt]['fw_id_lst'].append(fw_id)
                  return self.res[cnt].get('obj_dict'), (
                      self.res[cnt].get('mgmt_ip'))
          return None, None
docs: Populate the class after a restart.