Fleet load blocking on ExecStartPre

fleettest.sh

#!/bin/bash

for i in {1..10}
do
  printf "[Service]\nExecStartPre=/bin/sh -c 'while true; do echo hi; done'\nExecStart=/bin/true\n" > ./$i.service
  fleetctl load --block-attempts=600 ./$i.service
  rm -f ./$i.service

  fleetctl start $i.service
done

# hopefully we see the error by now
# cleanup
for i in {1..10}
do
  fleetctl destroy $i.service
done