Comment 7 for bug 1865037

Before - Tried to start and fail in a container

root@python-rtslib-fb-lp1865037-groovy:~# systemctl status target.service
● target.service - Restore LIO kernel target configuration
     Loaded: loaded (/lib/systemd/system/target.service; disabled; vendor preset: enabled)
     Active: inactive (dead)
root@python-rtslib-fb-lp1865037-groovy:~# systemctl status rtslib-fb-targetctl
● rtslib-fb-targetctl.service - LSB: Start LIO targets
     Loaded: loaded (/etc/init.d/rtslib-fb-targetctl; generated)
     Active: active (exited) since Wed 2021-04-28 05:28:43 UTC; 45s ago
       Docs: man:systemd-sysv-generator(8)
      Tasks: 0 (limit: 38268)
     Memory: 0B
     CGroup: /system.slice/rtslib-fb-targetctl.service

Apr 28 05:28:43 python-rtslib-fb-lp1865037-groovy systemd[1]: Starting LSB: Start LIO targets...
Apr 28 05:28:43 python-rtslib-fb-lp1865037-groovy rtslib-fb-targetctl[710]: modprobe: FATAL: Module configfs not found in directory /lib/modules/5.4.0-72-generic
Apr 28 05:28:43 python-rtslib-fb-lp1865037-groovy rtslib-fb-targetctl[704]: Could not load configfs module: exiting!
Apr 28 05:28:43 python-rtslib-fb-lp1865037-groovy systemd[1]: Started LSB: Start LIO targets.

After:
- proper service file (in case one wants to modify)
- properly dtecting
root@python-rtslib-fb-lp1865037-groovy:~# systemctl status target.service
● target.service - Restore LIO kernel target configuration
     Loaded: loaded (/lib/systemd/system/target.service; disabled; vendor preset: enabled)
     Active: inactive (dead)
root@python-rtslib-fb-lp1865037-groovy:~# systemctl status rtslib-fb-targetctl
● rtslib-fb-targetctl.service - Restore LIO kernel target configuration
     Loaded: loaded (/lib/systemd/system/rtslib-fb-targetctl.service; enabled; vendor preset: enabled)
     Active: inactive (dead)

Apr 28 05:33:29 python-rtslib-fb-lp1865037-groovy systemd[1]: Condition check resulted in Restore LIO kernel target configuration being skipped.

=> verified