code: def _init_cfg_interfaces(self, cb, intf_list=None, all_intf=True):
          
          if not all_intf:
              self.intf_list = intf_list
          else:
              self.intf_list = sys_utils.get_all_run_phy_intf()
          self.cb = cb
          self.intf_attr = {}
          self.cfg_lldp_interface_list(self.intf_list)
docs: Configure the interfaces during init time.