val client2 =
      client
        .newBuilder()
        .addNetworkInterceptor(
          object : Interceptor {
            var executedCall = false

            override fun intercept(chain: Interceptor.Chain): Response {
              if (!executedCall) {
                // At this point, we have a healthy HTTP/2 connection. This call will trigger the

   *   .addNetworkInterceptor(new LegacyRedirectInterceptor())
   *   .build();
   * ```
   */
  internal class LegacyRedirectInterceptor : Interceptor {
    override fun intercept(chain: Interceptor.Chain): Response {
      val response = chain.proceed(chain.request())
      val code = response.code
      if (code != HTTP_TEMP_REDIRECT && code != HTTP_PERM_REDIRECT) return response

- Enable SPDY pings to keep connections alive, so that `kubectl exec` and `kubectl portforward` won't be interrupted. ([#97083](https://github.com/kubernetes/kubernetes/pull/97083), [@knight42](https://github.com/knight42)) [SIG API Machinery and CLI]