Hello relay operator,
Please note that recently (2017-08-01) a few tor releases reached end of life and are no longer maintained (no security and bugfixes) [1]. Please consider upgrading to a supported release if you are affected.
To find out whether you are running an end of life tor release you can search for your relay nickname on [2] or on https://atlas.torproject.org.
As of 2017-08-19 still >9% of the tor network run on end of life releases.
thanks for running tor relays, nusenu
[1] https://trac.torproject.org/projects/tor/wiki/org/teams/NetworkTeam/CoreTorR...