See <https://builds.apache.org/job/bookkeeper-release-nightly-snapshot/54/display/redirect>
- Jenkins build became unstable: bookkeeper-release-n... Apache Jenkins Server
- Jenkins build is still unstable: bookkeeper-rel... Apache Jenkins Server
- Jenkins build is still unstable: bookkeeper... Apache Jenkins Server
- Jenkins build is still unstable: bookke... Apache Jenkins Server
- Jenkins build is back to stable : b... Apache Jenkins Server
