Jenkins script "/usr/local/bin/install-plugins.sh" fails randomly.

Issue

• Jenkins script "/usr/local/bin/install-plugin.sh" fails randomly with error message:

  Failed to download plugin: http_request or http_request-plugin
  Error: error building at STEP "RUN /usr/local/bin/install-plugins.sh 
  /opt/openshift/(plugin_name)": error while running runtime: exit status 1
  

• When trying from a Pod to reach an external URL using curl an empty response is returned:

  > * Server certificate:
  > *  subject: CN=updates.jenkins.io
  > *  start date: Jul 23 06:43:25 2022 GMT
  > *  expire date: Aug  6 06:43:25 2022 GMT
  > *  subjectAltName: host "updates.jenkins.io" matched cert's "updates.jenkins.io"
  > *  issuer: C=US; ST=California; O=Zscaler Inc.; OU=Zscaler Inc.; CN=Zscaler Intermediate Root CA (zscaler.net) (t) 
  > *  SSL certificate verify ok.
  > } [5 bytes data]
  > * TLSv1.3 (OUT), TLS app data, [no content] (0):
  > } [1 bytes data]
  > > GET /latest/nexus-jenkins-plugin.hpi HTTP/1.1
  > > Host: updates.jenkins.io
  > > User-Agent: curl/7.61.1
  > > Accept: */*
  > > 
  > * Empty reply from server
  > * Connection #0 to host updates.jenkins.io left intact