Curling app cnr endpoint does not give correct response in certain situations

# curl -v "https://quay.io/cnr/api/v1/packages?namespace=opencloudio"
*   Trying 54.84.167.150...
* TCP_NODELAY set
* Expire in 149968 ms for 3 (transfer 0x55c83da28e80)
* Expire in 200 ms for 4 (transfer 0x55c83da28e80)
* Connected to quay.io (54.84.167.150) port 443 (#0)
...
*  SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x55c83da28e80)
> GET /cnr/api/v1/packages?namespace=opencloudio HTTP/2
> Host: quay.io
> User-Agent: curl/7.64.0
> Accept: */*
>
* Connection state changed (MAX_CONCURRENT_STREAMS == 128)!
< HTTP/2 404
< server: nginx/1.12.1
< date: Mon, 08 Jun 2020 08:52:23 GMT
< content-type: application/json
< content-length: 249
<
{"error":{"code":"package-not-found","details":{"media_type":null,"package":"opencloudio/f6a54c25-dc8b-441c-8ba0-3cf4fff6236c","release":null},"message":"package opencloudio/f6a54c25-dc8b-441c-8ba0-3cf4fff6236c doesn't exist, v: None, type: None"}}
* Connection #0 to host quay.io left intact