Block production is restored and stable now. Thank you for cooperation!
For now you can delete
-F 39987437:600844:7 -F 39987437:600845:7 from ExecStart when it will be convenient for you. After that please run:systemctl daemon-reload
Note: there is NO need to restart validators after removing flags.
In coming days, we will came with update for the node to mitigate recently discovered issues. Please stay tuned.