-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Selected source [[:xdigit:]:.]+( \([[:alpha:].:]+\))?$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Selected source [[:xdigit:]:.]+( \([[:alnum:].:]+\))?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Source [[:xdigit:]:.]+ replaced with [[:xdigit:]:.]+$
^\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$