message: QuicServerWorker
  Summary: - reduce some verbosity in `QuicServerWorker::logRoutingInfo(...)`
diff: @@ -1446,44 +1446,30 @@ bool QuicServerWorker::rejectConnectionId(
  }
  std::string QuicServerWorker::logRoutingInfo(const ConnectionId& connId) const {
  - constexpr auto base =
  - "CID={}, cidVersion={}, workerId={}, processId={}, hostId={}, threadId={}, ";
  - if (!connIdAlgo_->canParse(connId)) {
  - return fmt::format(
  - base,
  + std::string base = fmt::format(
  + "CID={}, cidVersion={}, workerId={}, processId={}, hostId={}, threadId={}, ",
  connId.hex(),
  (uint32_t)cidVersion_,
  (uint32_t)workerId_,
  (uint32_t)processId_,
  (uint32_t)hostId_,
  folly::getCurrentThreadID());
  +
  + if (connIdAlgo_->canParse(connId)) {
  + auto maybeParsedConnIdParam = connIdAlgo_->parseConnectionId(connId);
  + if (maybeParsedConnIdParam.hasValue()) {
  + const auto& connIdParam = maybeParsedConnIdParam.value();
  + return base +
  + fmt::format(
  + "cidVersion in packet={}, workerId in packet={}, processId in packet={}, hostId in packet={}, ",
  + (uint32_t)connIdParam.version,
  + (uint32_t)connIdParam.workerId,
  + (uint32_t)connIdParam.processId,
  + (uint32_t)connIdParam.hostId);
  }
  - auto connIdParam = connIdAlgo_->parseConnectionId(connId);
  - if (connIdParam.hasError()) {
  - return fmt::format(
  - base,
  - connId.hex(),
  - (uint32_t)cidVersion_,
  - (uint32_t)workerId_,
  - (uint32_t)processId_,
  - (uint32_t)hostId_,
  - folly::getCurrentThreadID());
  }
  - std::string extended = std::string(base) +
  - "cidVersion in packet={}, workerId in packet={}, processId in packet={}, hostId in packet={}, ";
  - return fmt::vformat(
  - extended,
  - fmt::make_format_args(
  - connId.hex(),
  - (uint32_t)cidVersion_,
  - (uint32_t)workerId_,
  - (uint32_t)processId_,
  - (uint32_t)hostId_,
  - folly::getCurrentThreadID(),
  - (uint32_t)connIdParam->version,
  - (uint32_t)connIdParam->workerId,
  - (uint32_t)connIdParam->processId,
  - (uint32_t)connIdParam->hostId));
  +
  + return base;
  }
  QuicServerWorker::AcceptObserverList::AcceptObserverList(
  