[cobalt-users] cron.hourly spitting out iptable errors

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I am getting the following error
iptables: Table does not exist (do you need to insmod?)
followed by numerous lines of
iptables: No chain/target/match by that name

I am unfamiliar with iptables usage.
Can somebody shed some light as to whats going on?
I figure its a config file that has been wacked.
(I have had a bunch of forced reboots due to the box going off in to the weeds)

-Thomas