See <https://builds.apache.org/job/karaf-2.3.x/changes>
- Jenkins build became unstable: karaf-2.3.x #1310 Apache Jenkins Server
- Jenkins build is still unstable: karaf-2.3.x #1... Apache Jenkins Server
- Jenkins build is still unstable: karaf-2.3.... Apache Jenkins Server
- Jenkins build is still unstable: karaf-... Apache Jenkins Server
- Build failed in Jenkins: karaf-2.3.... Apache Jenkins Server
