I.e. https://beats-ci.elastic.co/blue/organizations/jenkins/e2e-tests%2Fe2e-testing-mbp/detail/PR-289/1/pipeline/350

It causes some flakiness in the test suite

Log error

[2020-09-14T18:59:45.170Z] time="2020-09-14T18:59:44Z" level=warning msg="filebeat process is not running in the container yet" container=ingest-manager_elastic-agent_1 desiredState=started elapsedTime=126.374302ms error="filebeat process is not running in the container yet" process=filebeat retry=1

Agent log

[2020-09-14T18:59:44.908Z] elastic-agent_1 | 2020-09-14T18:59:44.632Z ERROR application/emitter.go:88 Failed to render configuration with latest context from composable controller: operator: failed to execute step sc-run, error: failed to start '/usr/share/elastic-agent/data/elastic-agent-50ea11/install/metricbeat-8.0.0-SNAPSHOT-linux-x86_64/metricbeat': fork/exec /usr/share/elastic-agent/data/elastic-agent-50ea11/install/metricbeat-8.0.0-SNAPSHOT-linux-x86_64/metricbeat: text file busy: failed to start '/usr/share/elastic-agent/data/elastic-agent-50ea11/install/metricbeat-8.0.0-SNAPSHOT-linux-x86_64/metricbeat': fork/exec /usr/share/elastic-agent/data/elastic-agent-50ea11/install/metricbeat-8.0.0-SNAPSHOT-linux-x86_64/metricbeat: text file busy

cc/ @ph @EricDavisX