+RestartPreventExitStatus=2
+#
+# This unwieldy ExecStart command detects at runtime whether
+# arvados-docker-cleaner is installed with the Python 3.3 Software
+# Collection, and if so, invokes it with the "scl" wrapper.
+ExecStart=/bin/sh -c 'if [ -e /opt/rh/rh-python36/root/bin/arvados-docker-cleaner ]; then exec scl enable rh-python36 arvados-docker-cleaner; else exec arvados-docker-cleaner; fi'
+
+# systemd<=219 (centos:7, debian:8, ubuntu:trusty) obeys StartLimitInterval in the [Service] section
+StartLimitInterval=0