- '--job', type=str, metavar='UUID',
- help='Look up the specified job and read its log data from Keep')
+ '--job', '--container', '--container-request',
+ type=str, metavar='UUID',
+ help='Look up the specified job, container, or container request '
+ 'and read its log data from Keep (or from the Arvados event log, '
+ 'if the job is still running)')