docs: def get_ipv6_neighbors_table(self):
          """
          Get IPv6 neighbors table information.
          Return a list of dictionaries having the following set of keys:
              * interface (string)
              * mac (string)
              * ip (string)
              * age (float) in seconds
              * state (string)
          For example::
              [
                  {
                      'interface' : 'MgmtEth0/RSP0/CPU0/0',
                      'mac'       : '5c:5e:ab:da:3c:f0',
                      'ip'        : '2001:db8:1:1::1',
                      'age'       : 1454496274.84,
                      'state'     : 'REACH'
                  },
                  {
                      'interface': 'MgmtEth0/RSP0/CPU0/0',
                      'mac'       : '66:0e:94:96:e0:ff',
                      'ip'        : '2001:db8:1:1::2',
                      'age'       : 1435641582.49,
                      'state'     : 'STALE'
                  }
              ]
          """
  
          ipv6_neighbors_table = []
          command = "show ipv6 neighbors"
          output = self._send_command(command)
  
          ipv6_neighbors = ""
          fields = re.split(r"^IPv6\s+Address.*Interface$", output, flags=(re.M | re.I))
          if len(fields) == 2:
              ipv6_neighbors = fields[1].strip()
          for entry in ipv6_neighbors.splitlines():
              # typical format of an entry in the IOS IPv6 neighbors table:
              # 2002:FFFF:233::1 0 2894.0fed.be30  REACH Fa3/1/2.233
              ip, age, mac, state, interface = entry.split()
              mac = "" if mac == "-" else napalm.base.helpers.mac(mac)
              ip = napalm.base.helpers.ip(ip)
              ipv6_neighbors_table.append(
                  {
                      "interface": interface,
                      "mac": mac,
                      "ip": ip,
                      "age": float(age),
                      "state": state,
                  }
              )
          return ipv6_neighbors_table