List of steps to reproduce (step by step, including full links if applicable):

• https://en.m.wikipedia.beta.wmflabs.org/wiki/Bert

What happens?:
Request from - via deployment-cache-text06.deployment-prep.eqiad.wmflabs, ATS/8.0.8
Error: 502, Next Hop Connection Failed at 2022-07-06 17:22:53 GMT

What should have happened instead?:
200