message: transport: Downgrade connection close logmsg to qinfo
  It's not a bad thing.
diff: @@ -1635,7 +1635,7 @@ impl Connection {
  reason_phrase,
  } => {
  let reason_phrase = String::from_utf8_lossy(&reason_phrase);
  - qerror!(
  + qinfo!(
  [self],
  "ConnectionClose received. Error code: {:?} frame type {:x} reason {}",
  error_code,
  