On Sat, 2007-02-24 at 17:17 +0100, Patrick McHardy wrote:

I don't really see why
queueing is special though, dropping the packets in the ruleset
will break things just as well, as will routing them to a blackhole.
I guess the user just needs to be smart enough not to do this.

Its user-space and no emergency packet may rely on user-space because it
most likely is needed to maintain user-space.