Cron Daemon root@oxygen.eqiad.wmnet via wikimedia.org to root /etc/cron.daily/logrotate: error: kafkatee:4 unknown user 'syslog' error: found error in /var/log/kafkatee.log , skipping
Due to: https://github.com/wikimedia/analytics-kafkatee/blob/debian/debian/kafkatee.logrotate
Oxygen does not have a syslog username and rsyslog daemon running. As for varnishkafka, we added logrotate/rsyslog configuration in Debian packaging.