Entrada Nginx - caracteres de escape

Eu tenho o seguinte conf de entrada que é exposto via nodePort 32100. Quando eu chamo (curl) a URL [1] que contém parênteses, recebo o erro HTTP 500. Mas quando chamo a URL [2] que não contém parênteses, a solicitação passa com sucesso por meio do controlador de ingresso NGINX (v0.35.0).

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/proxy-body-size: 0m
    name: test1-app-ingress
  namespace: test1
spec:
  rules:
  - host: ing1.example.com
    http:
      paths:
      - backend:
          serviceName: test1-app-1-ingress
          servicePort: 80
        path: /test1
  - host: ing2.example.com
    http:
      paths:
      - backend:
          serviceName: test1-app-2-ingress
          servicePort: 80
        path: /test1

[1]

curl  "http://ing1.example.com:32100/test1/test1.json/Streams(Type_4000000)" -X POST --data-binary @25kfile 
* About to connect() to ing1.example.com port 32100 (#0)
*   Trying 10.10.10.30...
* Connected to ing1.example.com (10.10.10.30) port 32100 (#0)
> POST /test1/test1.json/Streams(Type_4000000) HTTP/1.1
> User-Agent: curl/7.29.0
> Host: ing1.example.com:32100
> Accept: */*
> Content-Length: 25000
> Content-Type: application/x-www-form-urlencoded
> Expect: 100-continue
>
< HTTP/1.1 100 Continue
< HTTP/1.1 500 Internal Server Error
< Server: nginx
< Date: Tue, 01 Mar 2022 20:08:07 GMT

log do aplicativo:

10.113.4.0 - - [01/Mar/2022:20:08:07 +0000] "POST /test1/test1.json/Streams(Type_4000000) HTTP/1.0" 500 528 "-" "curl/7.29.0" 25283 0.004 [test1-test1-app-1-ingress-80] [] 10.113.4.157:80 528 0.003 500 4b3fd4d41fb8a2d26691bd2da78f24b

[2]

curl  "http://ing1.example.com:32100/test1/test1.json/StreamsType_4000000" -X POST --data-binary @25kfile 
* About to connect() to ing1.example.com port 32100 (#0)
*   Trying 10.10.10.30...
* Connected to ing1.example.com (10.10.10.30) port 32100 (#0)
> POST /test1/test1.json/StreamsType_4000000HTTP/1.1
> User-Agent: curl/7.29.0
> Host: ing1.example.com:32100
> Accept: */*
> Content-Length: 25000
> Content-Type: application/x-www-form-urlencoded
> Expect: 100-continue
>
< HTTP/1.1 100 Continue
< HTTP/1.1 200 OK
< Server: nginx
< Date: Tue, 01 Mar 2022 20:09:59 GMT

log do aplicativo:

172.28.120.65 - - [01/Mar/2022:20:09:59 +0000] "POST /test1/test1.json/StreamsType_4000000 HTTP/1.0" 200 0 "-" "curl/7.29.0" 25281 0.003 [test1-test1-app-1-ingress-80] [] 10.113.4.157:80 0 0.003 200 133bbb4f7149d31e75cf78158566efee

Isso é um problema no NGINX IC? devo escapar quaisquer caracteres na configuração de entrada, como o parêntese?