if httpSettings.Http1MaxPendingRequests < 0 {
			errs = appendErrors(errs, fmt.Errorf("http1 max pending requests must be non-negative"))
		}
		if httpSettings.Http2MaxRequests < 0 {
			errs = appendErrors(errs, fmt.Errorf("http2 max requests must be non-negative"))
		}
		if httpSettings.MaxRequestsPerConnection < 0 {