^([[:alpha:]]{3} [ :[:digit:]]{11}|[0-9T:.+-]{32}) [._[:alnum:]\-]+ systemd\[[0-9]+\]: Finished (Cleanup of Temporary Directories|Online ext4 Metadata Check for All Filesystems|Discard unused blocks on filesystems from /etc/fstab)\.$
^([[:alpha:]]{3} [ :[:digit:]]{11}|[0-9T:.+-]{32}) [._[:alnum:]\-]+ systemd\[[0-9]+\]: rsyslog\.service: Sent signal SIGHUP to main process [[:digit:]]+ \(rsyslogd\) on client request\.$
^([[:alpha:]]{3} [ :[:digit:]]{11}|[0-9T:.+-]{32}) [._[:alnum:]\-]+ systemd-journald\[[0-9]+\]: Data hash table of /var/log/journal/[[:alnum:]]+/system\.journal has a fill level at [0-9]+\.[0-9+]+ \([0-9]+ of [0-9]+ items, [0-9]+ file size, [0-9]+ bytes per hash table item\), suggesting rotation\.$