See <https://builds.apache.org/job/karaf-2.3.x/org.apache.karaf.itests$itests/1349/>
- Jenkins build became unstable: karaf-2.3.x » Apache... Apache Jenkins Server
- Jenkins build is still unstable: karaf-2.3.x » ... Apache Jenkins Server
- Jenkins build is back to stable : karaf-2.3... Apache Jenkins Server
