See <https://builds.apache.org/job/Log4j%202%203.x/2/display/redirect?page=changes>
- Jenkins build is unstable: Log4j 2 3.x #1 Apache Jenkins Server
- Jenkins build is still unstable: Log4j 2 3.x #2 Apache Jenkins Server
- Jenkins build is still unstable: Log4j 2 3.... Apache Jenkins Server
- Jenkins build is still unstable: Log4j ... Apache Jenkins Server
- Jenkins build is still unstable: Lo... Apache Jenkins Server
- Jenkins build is still unstabl... Apache Jenkins Server
- Jenkins build is still uns... Apache Jenkins Server
- Jenkins build is still... Apache Jenkins Server
- Jenkins build is back ... Apache Jenkins Server