code: def get_interfaces_counters(self):
          
          query = junos_views.junos_iface_counter_table(self.device)
          query.get()
          interface_counters = {}
          for interface, counters in query.items():
              interface_counters[interface] = {
                  k: v if v is not None else -1 for k, v in counters
              }
          return interface_counters
docs: Return interfaces counters.