message: contrib: makeseeds: dedup by ip,port
  Handle the multiple ports per IP case (as that's a criterion later).
diff: @@ -108,10 +108,10 @@ def parseline(line):
  }
  def dedup(ips):
  - '''deduplicate by address'''
  + '''deduplicate by address,port'''
  d = {}
  for ip in ips:
  - d[ip['ip']] = ip
  + d[ip['ip'],ip['port']] = ip
  return list(d.values())
  def filtermultiport(ips):
  