It's the udev rule added by this commit: http://cgit.freedesktop.org/systemd/systemd/commit/?id=7212a8a99ee863698f5feaa00abb4b99f3996a1a http://cgit.freedeskto

It's the udev rule added by this commit: http://cgit.freedesktop.org/systemd/systemd/commit/?id=7212a8a99ee863698f5feaa00abb4b99f3996a1a http://cgit.freedesktop.org/systemd/systemd/commit/?id=7212a... It runs "loginctl lock-sessions" whenever a USB input device with a name of "Wiebetech LLC Wiebetech" is plugged in.