2015年7月1日のログ。
# find /var/log/ -type f | xargs grep leap -C1 /var/log/kern.log:Jul 1 08:59:59 localhost kernel: [1856023.892090] Clock: inserting leap second 23:59:60 UTC -- /var/log/messages-Jul 1 06:25:53 localhost rsyslogd: [origin software="rsyslogd" swVersion="8.4.2" x-pid="541" x-info="http://www.rsyslog.com"] rsyslogd was HUPed /var/log/messages:Jul 1 08:59:59 localhost kernel: [1856023.892090] Clock: inserting leap second 23:59:60 UTC -- /var/log/syslog-Jul 1 08:59:59 localhost systemd[1]: Time has been changed /var/log/syslog:Jul 1 08:59:59 localhost kernel: [1856023.892090] Clock: inserting leap second 23:59:60 UTC /var/log/syslog-Jul 1 08:59:59 localhost systemd[982]: Time has been changed root@localhost:~#