Hi,
i can load the required kenrel modul so you can use nat again.
I am a programmer and can write any shell script,
Examples of my shell script works:
https://www.freelancer.com/projects/System-Admin/need-change-password-shell-script.html
https://www.freelancer.com/projects/Linux/Linux-Backup-Script.5498802.html
https://www.freelancer.com/projects/PHP-MySQL/Shell-script-automate-phpMyAdmin-login.html
https://www.freelancer.com/projects/PHP-MySQL/Debian-PHP-PHP-FPM-NGINX.html
And i speak germany, because i am from austria :)
Regards!