https://www.truenas.com/community/threads/root-connect-disconnect-by-ssh-many-times-per-second.36903/
root connect/disconnect by SSH many times per second | TrueNAS Community
I just happened to look at /var/log/auth.log and found a constant stream of these: Aug 29 07:26:08 Tabernacle sshd[36571]: Accepted publickey for root from...
times per secondconnect disconnectrootssh