^([[:alpha:]]{3} [ :[:digit:]]{11}|[0-9T:.+-]{32}) [._[:alnum:]\-]+ fstrim\[[0-9]+\]: [-_/[:alnum:]]+: [.[:digit:]]+ (M|G)iB \([[:digit:]]+ bytes\) trimmed on [-_/[:alnum:]]+$
^([[:alpha:]]{3} [ :[:digit:]]{11}|[0-9T:.+-]{32}) [._[:alnum:]\-]+ systemd\[[0-9]+\]: (Starting|Stopping) [ +[:alnum:]/\-]+\.(\.\.)?$
^([[: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\[[0-9]+\]: (apt-daily\.service|apt-daily-upgrade\.service|logrotate\.service|man-db\.service): Consumed ([0-9]{1,2}min )?[0-9]{1,2}\.[0-9]{3}s CPU time\.$
^([[: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:]\-]+ rsyslogd(\[[0-9]+\])?: \[origin software="rsyslogd" swVersion="[0-9]+\.[0-9]+\.[0-9]+" x-pid="[0-9]+" x-info="https:\/\/www\.rsyslog\.com"\] rsyslogd was HUPed$