Geoff Wing <mason@primenet.com.au> typed around 3rd May:
: Somewhere something in the last three days is causing
: 	Data modified on freelist: word 3 of object 0xc2c2ad80 size 36 \
: 	previous type bar (0xce2bf63c != 0xdeadbeef)
: Kernel from May  2 07:09 (UTC) shows it.  Apr 30 01:35 did not.
: Any likely suspects?

And the winner is "ipfstat -i".

"ipfstat -o" doesn't cause it but I don't have many rules in there (and
no group rules).

Regards,
Geoff