code: def read_static_uplink(self):
          
          if self.node_list is None or self.node_uplink_list is None:
              return
          for node, port in zip(self.node_list.split(','),
                                self.node_uplink_list.split(',')):
              if node.strip() == self.host_name:
                  self.static_uplink = True
                  self.static_uplink_port = port.strip()
                  return
docs: Read the static uplink from file, if given.