modprobe messages about module net-pf: what are they?

[Yves Arrouye]

Hello,

Since 1.99, I get messages like:

Jun  4 00:03:50 marin modprobe: Can't locate module net-pf-4
Jun  4 00:03:52 marin modprobe: Can't locate module net-pf-5

in my daemon.log. Do you know what they mean?

Thanks,
Yves.