some erroneous /etc/sysctl.conf entries

[Mark McLoughlin]

On Thu, 2009-10-15 at 04:50 -0400, Robert P. J. Day wrote:
> after adding a new entry to /etc/sysctl.conf and running
> "sysctl -p", i get:
> 
> error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key
> error: "net.bridge.bridge-nf-call-iptables" is an unknown key
> error: "net.bridge.bridge-nf-call-arptables" is an unknown key

Gah. This is because you don't have the bridge module loaded.

It's nothing to worry about, but it'd be sure nice to avoid these
warnings if we can.

See also https://bugzilla.redhat.com/512206

Cheers,
Mark.