code: def _compute_global_interested_rts(self):
          
          interested_rts = set()
          for rtfilter in self._peer_to_rtfilter_map.values():
              interested_rts.update(rtfilter)
  
          interested_rts.update(self._vrfs_conf.vrf_interested_rts)
          # Remove default RT as it is not a valid RT for paths
          # TODO(PH): Check if we have better alternative than add and remove
          interested_rts.add(RouteTargetMembershipNLRI.DEFAULT_RT)
          interested_rts.remove(RouteTargetMembershipNLRI.DEFAULT_RT)
          return interested_rts
docs: Computes current global interested RTs for global tables.
  
          Computes interested RTs based on current RT filters for peers. This
          filter should be used to check if for RTs on a path that is installed
          in any global table (expect RT Table).