One failed cron job execution stops any further execution

[kkujawinski]

If only one cron fail than all further execution are ignored:

2016-12-30 16:30:20 | Dec 30 16:30:20 fdffabd9114a chaperone[1]: REAP pid=49,status=256
2016-12-30 16:30:20 | Dec 30 16:30:20 fdffabd9114a chaperone[1]: REAP pid=0,c=0
2016-12-30 16:30:20 | Dec 30 16:30:20 fdffabd9114a chaperone[1]: executor.service exit status for pid=49 is '<ProcStatus exit_status=1>'
2016-12-30 16:30:20 | Dec 30 16:30:20 fdffabd9114a chaperone[1]: executor.service terminated abnormally with <ProcStatus exit_status=1>
2016-12-30 16:31:00 | Dec 30 16:31:00 fdffabd9114a chaperone[1]: cron service executor.service running CMD ( /executor.sh )
2016-12-30 16:31:00 | Dec 30 16:31:00 fdffabd9114a chaperone[1]: service executor.service already started.  further starts ignored.
2016-12-30 16:32:00 | Dec 30 16:32:00 fdffabd9114a chaperone[1]: cron service executor.service running CMD ( /executor.sh )
2016-12-30 16:32:00 | Dec 30 16:32:00 fdffabd9114a chaperone[1]: service executor.service already started.  further starts ignored.
2016-12-30 16:33:00 | Dec 30 16:33:00 fdffabd9114a chaperone[1]: cron service executor.service running CMD ( /executor.sh )
2016-12-30 16:33:00 | Dec 30 16:33:00 fdffabd9114a chaperone[1]: service executor.service already started.  further starts ignored.
2016-12-30 16:34:00 | Dec 30 16:34:00 fdffabd9114a chaperone[1]: cron service executor.service running CMD ( /executor.sh )
2016-12-30 16:34:00 | Dec 30 16:34:00 fdffabd9114a chaperone[1]: service executor.service already started.  further starts ignored.