A few different sites tonight are giving me a Varnish cache server error as below in Wellington tonight: (eg. theguardian.com, reddit.com)
I'm not seeing anything on the status page for Bigpipe or Spark, but is this an ISP caching problem?
Error 503 Service Unavailable
Service Unavailable
Guru Mediation:
Details: cache-wlg10426-WLG 1623146884 1125490805
Varnish cache server