^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Source [[:xdigit:]:.]+ (online|offline)$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Source [[:xdigit:]:.]+ replaced with [[:xdigit:]:.]+ \([[:alnum:]._-]+\)$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: System clock TAI offset set to [[:digit:]]+ seconds$
+^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: System clock was stepped by [[:digit:].]+ seconds$
+^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: System clock wrong by [[:digit:].]+ seconds$
^(\w{3} [ :0-9]{11}|[0-9T:.+-]{32}) [._[:alnum:]-]+ chronyd\[[[:digit:]]+\]: Using right/UTC timezone to obtain leap second data$