GitLab CI: Sometimes Docker fails with 'unauthorized: authentication required', but there is a retry and it works.
Some tests in gitlabCI have errors for docker, like
Where you can see at the start:
Preparing the "docker" executor 00:09 Using Docker executor with image debian:buster ... Pulling docker image debian:buster ... ERROR: Preparation failed: Error response from daemon: unauthorized: authentication required (docker.go:136:1s) Will be retried in 3s ... Using Docker executor with image debian:buster ... Pulling docker image debian:buster ... Using docker image sha256:e7d08cddf791fe3245267654331eb21b805458b3412d368018009355855044a3 for debian:buster ...
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