*nat
:POSTROUTING ACCEPT [0:0]
# Forward traffic from eth1 through eth0.
-A POSTROUTING -s 10.0.69.0/24 -o vlan3 -j MASQUERADE

COMMIT

ubuntu:/usr/share/ufw$ sudo ufw disable
Firewall stopped and disabled on system startup
ubuntu:/usr/share/ufw$ sudo ufw enable
ERROR: problem running ufw-init
Bad argument `COMMIT'
Error occurred at line: 18
Try `iptables-restore -h' or 'iptables-restore --help' for more information.

Problem running '/etc/ufw/before.rules'