Description:
fprintd service failed.

Additional info:
package version 0.7.0+12+ge55ad52-2

Log:
# journalctl -xe
-- Unit fprintd.service has begun starting up.
May 07 22:05:54 my-archbox systemd[16481]: fprintd.service: Failed at step NAMESPACE spawning /usr/lib/fprintd: No such file or directory
-- Subject: Process /usr/lib/fprintd could not be executed
-- Defined-By: systemd
-- Support: [url]http://lists.freedesktop.org/mailman/listinfo/systemd-devel[/url]
--
-- The process /usr/lib/fprintd could not be executed and failed.
--
-- The error number returned by this process is 2.
May 07 22:05:54 my-archbox systemd[1]: fprintd.service: Main process exited, code=exited, status=226/NAMESPACE
May 07 22:05:54 my-archbox systemd[1]: Failed to start Fingerprint Authentication Daemon.
-- Subject: Unit fprintd.service has failed
-- Defined-By: systemd
-- Support: [url]http://lists.freedesktop.org/mailman/listinfo/systemd-devel[/url]
--
-- Unit fprintd.service has failed.
--
-- The result is failed.
May 07 22:05:54 my-archbox systemd[1]: fprintd.service: Unit entered failed state.
May 07 22:05:54 my-archbox systemd[1]: fprintd.service: Failed with result 'exit-code'.
May 07 22:06:19 my-archbox dbus[504]: [system] Failed to activate service 'net.reactivated.Fprint': timed out


Steps to reproduce:
start gdm or other using fprintd dbus service

Fix:
In "/usr/lib/systemd/system/fprintd.service" is directive "ReadWritePaths=/var/lib/fprint", but this dir is missing, just create it and fingerprint reader starts working.