35coreos-multipath: add Before=initrd-parse-etc.service in coreos-pro…

…pagate-multipath-conf.service

Otherwise, we'll end up racing with `initrd-cleanup.service` which wants
to kill everything. It has `After=initrd.target` and we do have
`Before=initrd.target`, but that's not being respected, we think because
`initrd-parse-etc.service` does an explicit `systemctl start` on it.

Anyway, we need to dig more into this, but for now this will unblock us.

overlay.d/05core/usr/lib/dracut/modules.d/35coreos-multipath/coreos-propagate-multipath-conf.service

@@ -5,6 +5,11 @@ Before=initrd.target
 # we write to the rootfs, so run after it's ready
 After=initrd-root-fs.target
 
+# That service starts initrd-cleanup.service which will race with us completing
+# before we get nuked. Need to get to the bottom of it, but for now we need
+# this (XXX: add link to systemd issue here).
+Before=initrd-parse-etc.service
+
 ConditionKernelCommandLine=rd.multipath=default
 
 OnFailure=emergency.target