See <https://builds.apache.org/job/karaf-master/4999/display/redirect?page=changes>
- Jenkins build became unstable: karaf-master #4995 Apache Jenkins Server
- Jenkins build is still unstable: karaf-master #... Apache Jenkins Server
- Jenkins build is still unstable: karaf-mast... Apache Jenkins Server
- Jenkins build is still unstable: karaf-... Apache Jenkins Server
- Jenkins build is back to stable : k... Apache Jenkins Server