[Unit]
Description=TEST-10-ISSUE-2467

[Service]
ExecStartPre=rm -f /failed /testok
Type=oneshot
ExecStart=sh -e -x -c 'rm -f /tmp/nonexistent; systemctl start test10.socket; printf x >test.file; socat -t20 OPEN:test.file UNIX-CONNECT:/run/test.ctl; >/testok'