[Unit]
Description=Default User appimg 
ConditionPathExists=/storage/appimg/primary/rootfs

[Service]
ExecStart=/usr/bin/systemd-nspawn --quiet --keep-unit --machine=primary --link-journal=try-guest --directory=/storage/appimg/primary/rootfs

KillMode=mixed
Type=notify
RestartForceExitStatus=133
SuccessExitStatus=133