opensuse v13.2
There is a lot of this in the messages log; a new entry every 15 minutes.
What is this about?
2015-05-26T16:45:01.245081-07:00 sma-server3 systemd[1]: Starting User Manager for UID 0...
2015-05-26T16:45:01.278938-07:00 sma-server3 systemd[6347]: Starting Paths.
2015-05-26T16:45:01.279744-07:00 sma-server3 systemd[6347]: Reached target Paths.
2015-05-26T16:45:01.280637-07:00 sma-server3 systemd[6347]: Reached target Timers.
2015-05-26T16:45:01.281290-07:00 sma-server3 systemd[6347]: Starting Sockets.
2015-05-26T16:45:01.281964-07:00 sma-server3 systemd[6347]: Reached target Sockets.
2015-05-26T16:45:01.282548-07:00 sma-server3 systemd[6347]: Starting Basic System.
2015-05-26T16:45:01.283055-07:00 sma-server3 systemd[6347]: Reached target Basic System.
2015-05-26T16:45:01.283628-07:00 sma-server3 systemd[6347]: Reached target Default.
2015-05-26T16:45:01.283984-07:00 sma-server3 systemd[6347]: Startup finished in 14ms.
2015-05-26T16:45:01.330768-07:00 sma-server3 systemd[1]: Stopping User Manager for UID 0...
2015-05-26T16:45:01.331629-07:00 sma-server3 systemd[6347]: Stopping Default.
2015-05-26T16:45:01.331949-07:00 sma-server3 systemd[6347]: Stopping Basic System.
2015-05-26T16:45:01.332188-07:00 sma-server3 systemd[6347]: Stopped target Basic System.
2015-05-26T16:45:01.332423-07:00 sma-server3 systemd[6347]: Stopped target Paths.
2015-05-26T16:45:01.332645-07:00 sma-server3 systemd[6347]: Stopping Timers.
2015-05-26T16:45:01.332891-07:00 sma-server3 systemd[6347]: Stopping Sockets.
2015-05-26T16:45:01.333120-07:00 sma-server3 systemd[6347]: Stopped target Sockets.
2015-05-26T16:45:01.333341-07:00 sma-server3 systemd[6347]: Starting Shutdown.
2015-05-26T16:45:01.333557-07:00 sma-server3 systemd[6347]: Reached target Shutdown.
2015-05-26T16:45:01.340781-07:00 sma-server3 systemd[1]: Stopped User Manager for UID 0.
2015-05-26T16:45:01.341905-07:00 sma-server3 systemd[1]: Stopping user-0.slice.