void Filter::onUpstreamHostSelected(Upstream::HostDescriptionConstSharedPtr host) {
  if (retry_state_ && host) {
    retry_state_->onHostAttempted(host);
  }
}
void Filter::onUpstreamHostSelected(Upstream::HostDescriptionConstSharedPtr host) {
  if (retry_state_ && host) {
    retry_state_->onHostAttempted(host);
  }
}