Brown-out Deprecating Ubuntu 14.04 and 16.04 images: any customer still running jobs utilizing a ubuntu 14.04 or 16.04 based machine image will have jobs fail during the following timeframes
Incident Report for CircleCI
Resolved
Attention Ubuntu 14.04 and 16.04 machine image users. These images are temporarily unavailable in advance of their May 31, 2022 end of life. Migrate from 14.04 or 16.04.

- UTC 00:00 — 01:00
- UTC 10:00 — 11:00
- UTC 15:00 — 16:00

Action Required: migrate to a supported version of Ubuntu machine image
Migration Guides:
14.04 to 20.04
16.04 to 20.04

Blog Posts:
https://circleci.com/blog/why-brownouts/
https://circleci.com/blog/ubuntu-14-16-image-deprecation/
Posted Apr 26, 2022 - 00:00 UTC
This incident affected: Machine Jobs.