Create a file with a cron command to reconnect
echo "sudo modprobe nf_conntrack" > ~/nf_conntrack.sh && \
echo "sudo mount -a" >> ~/nf_conntrack.sh && \
sudo chmod +x ~/nf_conntrack.sh && \
sudo crontab -u root -e && sudo service cron restart
Add
@reboot sh /home/christopher/nf_conntrack.sh