In the
https://jenkins.opendaylight.org/releng/view/controller/job/controller-csit-3node-rest-clust-cars-perf-only-carbon/503/
there is a problem while configuring cars. The rest side times out and the log files don't show any problems (error/exceptions)

2017-02-12 12:53:40,179 | INFO | h for user karaf | command | 46 - org.apache.karaf.log.command - 3.0.8 | ROBOT MESSAGE: Starting suite /w/workspace/controller-csit-3node-rest-clust-cars-perf-only-carbon/test/csit/suites/controller/ThreeNodes_Datastore/010_crud_mdsal_perf.robot
2017-02-12 12:53:41,586 | INFO | h for user karaf | command | 46 - org.apache.karaf.log.command - 3.0.8 | ROBOT MESSAGE: Starting test Add Cars
2017-02-12 12:54:43,313 | INFO | h for user karaf | command | 46 - org.apache.karaf.log.command - 3.0.8 | ROBOT MESSAGE: Starting test Verify Cars

Later in the test suite the cars were purchased. There is no exception/error in the log indicating what could have happened.