- when a connect immediately goes into DRAINING state, do
  not attempt retries in the QUIC connection filter. Instead,
  return CURLE_WEIRD_SERVER_REPLY
- When eyeballing, interpret CURLE_WEIRD_SERVER_REPLY as an
  inconclusive answer. When all addresses have been attempted,
  rewind the address list once on an inconclusive answer.
- refs curl#11832 where connects were retried indefinitely until
  the overall timeout fired