Occasional RoutingError to /jwt/auth
Running gitlab-foss 12.6.3 on kubernetes, deployed with Helm chart.
I occasionally see container registry access/authentication problems, where the registry
The gitlab-runner client shows:
ERROR: Job failed: image pull failed: rpc error: code = Unknown desc = Error response from daemon: Get https://X/v2/sr/linux/containers/build/docker/manifests/19.03.3-dind: Get https://X/jwt/auth?account=gitlab-ci-token&scope=repository%3AX%2FX%2Fcontainers%2Fbuild%2Fdocker%3Apull&service=container_registry: net/http: TLS handshake timeout
gitlab-unicorn:
==> /var/log/gitlab/production.log <==
Started POST "/jwt/auth" for 10.244.12.94 at 2020-02-06 08:12:07 +0000
ActionController::RoutingError (No route matches [POST] "/jwt/auth"):
lib/gitlab/middleware/basic_health_check.rb:25:in `call'
lib/gitlab/request_context.rb:32:in `call'
config/initializers/fix_local_cache_middleware.rb:9:in `call'
lib/gitlab/metrics/requests_rack_middleware.rb:49:in `call'
lib/gitlab/middleware/release_env.rb:12:in `call'
Is there anything I can check? What makes /jwt/auth briefly unroutable?