code: def show_link(self):
          '''show link information'''
          for master in self.mpstate.mav_master:
              linkdelay = (self.status.highest_msec - master.highest_msec)*1.0e-3
              if master.linkerror:
                  print("link %u down" % (master.linknum+1))
              else:
                  print("link %u OK (%u packets, %.2fs delay, %u lost, %.1f%% loss)" % (master.linknum+1,
                                                                                        self.status.counters['MasterIn'][master.linknum],
                                                                                        linkdelay,
                                                                                        master.mav_loss,
                                                                                        master.packet_loss())f show_link(self):
          '''show link information'''
          for master in self.mpstate.mav_master:
              linkdelay = (self.status.highest_msec - master.highest_msec)*1.0e-3
              if master.linkerror:
                  print("link %u down" % (master.linknum+1))
              else:
                  print("link %u OK (%u packets, %.2fs delay, %u lost, %.1f%% loss)" % (master.linknum+1,
                                                                                        self.status.counters['MasterIn'][master.linknum],
                                                                                        linkdelay,
                                                                                        master.mav_loss,
                                                                                        master.packet_loss()))
docs: show link information