See <https://builds.apache.org/job/Karaf/2177/>
- Jenkins build is unstable: Karaf #2173 Apache Jenkins Server
- Jenkins build is still unstable: Karaf #2174 Apache Jenkins Server
- Jenkins build is still unstable: Karaf #217... Apache Jenkins Server
- Jenkins build is still unstable: Karaf ... Apache Jenkins Server
- Jenkins build is back to stable : K... Apache Jenkins Server
