See <https://builds.apache.org/job/Log4j%202%203.x/110/display/redirect?page=changes>
- Jenkins build became unstable: Log4j 2 3.x #110 Apache Jenkins Server
- Build failed in Jenkins: Log4j 2 3.x #111 Apache Jenkins Server
- Jenkins build is unstable: Log4j 2 3.x #112 Apache Jenkins Server
- Jenkins build is back to stable : Log4j... Apache Jenkins Server