^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: chronyd exiting$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: chronyd version 4\.0 starting \(+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 -DEBUG\)$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Frequency -[[:digit:].]+ +/- [[:digit:].]+ ppm read from /var/lib/chrony/chrony\.drift$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Loaded seccomp filter$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Selected source [[:xdigit:]:.]+( \([[:alnum:].:]+\))?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Source [[:xdigit:]:.]+ (online|offline)$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Source [[:xdigit:]:.]+ replaced with [[:xdigit:]:.]+ \([[:alnum:]._-]+\)$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: System clock TAI offset set to [[:digit:]]+ seconds$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Using right/UTC timezone to obtain leap second data$