def neighbors_update(self):
        """ update neigh_dict from cli:'neighbor table' """
        """ >>> print(lora.cli("neighbor table"))
        | Role | RLOC16 | Age | Avg RSSI | Last RSSI |R|S|D|N| Extended MAC     |
        +------+--------+-----+----------+-----------+-+-+-+-+------------------+
        |   C  | 0x2801 | 219 |        0 |         0 |1|1|1|1| 0000000000000005 |
        |   R  | 0x7400 |   9 |        0 |         0 |1|0|1|1| 0000000000000002 |

        """
        x = self.mesh.neighbors()
        print_debug(3, "Neighbors Table: %s" % x)

        if x is None:
            # bad read, just keep previous neigbors
            return

        # clear all pre-existing neigbors
        self.router_data = RouterData()
        self.router_data.mac = self.MAC
        self.router_data.rloc16 = self.rloc16
        self.router_data.role = self.state
        self.router_data.ts = time.time()
        self.router_data.coord = Gps.get_location()

        for nei_rec in x:
            # nei_rec = (role=3, rloc16=10240, rssi=0, age=28, mac=5)
            age = nei_rec.age
            if age > 300:
                continue  # shouln't add neighbors too old
            role = nei_rec.role
            rloc16 = nei_rec.rloc16
            # maybe we shouldn't add Leader (because this info is already available at Leader)
            # if rloc16 == self.leader_rloc():
            #   continue
            rssi = nei_rec.rssi
            mac = nei_rec.mac
            neighbor = NeighborData((
                mac,
                age,
                rloc16,
                role,
                rssi,
            ))
            self.router_data.add_neighbor(neighbor)
            #print("new Neighbor: %s"%(neighbor.to_string()))
            #except:
            #    pass
        # add own info in dict
        #self.neigh_dict[self.MAC] = (0, self.rloc16, self.state, 0)
        print_debug(3, "Neighbors: %s" % (self.router_data.to_string()))
        return
    def __init__(self, data=None):
        self.mac = 0
        self.rloc16 = 0
        self.role = 0
        self.ts = 0
        self.dict = {}
        self.pack_index_last = 0
        self.coord = Gps.get_location()

        if data is None:
            return

        datatype = str(type(data))
        if datatype == "<class 'bytes'>":
            self._init_bytes(data)
        elif datatype == "<class 'NeighborData'>":
            self._init_neighbordata(data)