+ JOB_DONE, /* Job completed successfully */
+ JOB_CANCELED, /* Job canceled by a conflicting job installation or by explicit cancel request */
+ JOB_TIMEOUT, /* JobTimeout elapsed */
+ JOB_FAILED, /* Job failed */
+ JOB_DEPENDENCY, /* A required dependency job did not result in JOB_DONE */
+ JOB_SKIPPED, /* JOB_RELOAD of inactive unit; negative result of JOB_VERIFY_ACTIVE */