See <https://builds.apache.org/job/karaf-4.2.x/360/display/redirect?page=changes>
- Jenkins build became unstable: karaf-4.2.x #357 Apache Jenkins Server
- Jenkins build is still unstable: karaf-4.2.x #3... Apache Jenkins Server
- Jenkins build is still unstable: karaf-4.2.... Apache Jenkins Server
- Jenkins build is still unstable: karaf-... Apache Jenkins Server
- Jenkins build is back to stable : k... Apache Jenkins Server