systemctl status systemd-modules-load.service:

systemd-modules-load.service - Load Kernel Modules
Loaded: loaded (/usr/lib/systemd/system/systemd-modules-load.service; static; vendor preset: disabled)
Active: failed (Result: exit-code) since Thu 2017-06-15 14:36:57 CEST; 4min 49s ago
Docs: man:systemd-modules-load.service(8)
man:modules-load.d(5)
Process: 9099 ExecStart=/usr/lib/systemd/systemd-modules-load (code=exited, status=1/FAILURE)
Main PID: 9099 (code=exited, status=1/FAILURE)

Jun 15 14:36:57 my-pc systemd[1]: Starting Load Kernel Modules...
Jun 15 14:36:57 my-pc systemd[1]: systemd-modules-load.service: Main process exited, code=exited, status=1/F
Jun 15 14:36:57 my-pc systemd[1]: Failed to start Load Kernel Modules.
Jun 15 14:36:57 my-pc systemd[1]: systemd-modules-load.service: Unit entered failed state.
Jun 15 14:36:57 my-pc systemd[1]: systemd-modules-load.service: Failed with result 'exit-code'.

journalctl -xe:

-- Unit systemd-modules-load.service has begun starting up.
Jun 15 14:36:57 my-pc systemd-modules-load[9099]: Failed to lookup alias 'sg': Function not implemented
Jun 15 14:36:57 my-pc systemd-modules-load[9099]: Failed to lookup alias 'vboxdrv': Function not implemented
Jun 15 14:36:57 my-pc systemd-modules-load[9099]: Failed to lookup alias 'vboxpci': Function not implemented
Jun 15 14:36:57 my-pc systemd-modules-load[9099]: Failed to lookup alias 'vboxnetadp': Function not implemented
Jun 15 14:36:57 my-pc systemd-modules-load[9099]: Failed to lookup alias 'vboxnetflt': Function not implemented
Jun 15 14:36:57 my-pc systemd[1]: systemd-modules-load.service: Main process exited, code=exited, status=1/FAILURE
Jun 15 14:36:57 my-pc systemd[1]: Failed to start Load Kernel Modules.
-- Subject: Unit systemd-modules-load.service has failed
-- Defined-By: systemd