mystery reboots

Sep 02 06:03:57 Prox1 systemd[1]: Starting apt-daily-upgrade.service - Daily apt upgrade and clean activities...
Sep 02 06:03:57 Prox1 systemd[1]: apt-daily-upgrade.service: Deactivated successfully.
Sep 02 06:03:57 Prox1 systemd[1]: Finished apt-daily-upgrade.service - Daily apt upgrade and clean activities.
Sep 02 06:17:01 Prox1 CRON[410326]: pam_unix(cron:session): session opened for user root(uid=0) by (uid=0)
Sep 02 06:17:01 Prox1 CRON[410327]: (root) CMD (cd / && run-parts --report...

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