I also ran into the eon0 problem and the panic when I run dhclient twice.

> > I'm trying to get dhcp going on a friends machine and am having problems.
> > Its NetBSD-1.4.1/i386.  It works fine on my NetBSD-1.4.1/mac68k.  As far
> > as I can tell, everything is done the same on these machines in
> > /etc/{rc.conf, dhclient.conf} after substituting the correct network
> > interfaces.
> > 
> > During boot, I see
> > 
> > Can't attach interface eon0 to bpf device /dev/bpf0:  Device not
> > configured, exiting.
> > 
> > So is the complaint about eon0 or bpf0?  In dhclient.conf, in the leases
> > section, there is a line
> > 
> >   interface "ep0";
> 
> Use 'dhclient_flags="ep0"' in /etc/rc.conf and see if that fixes it.
> Also, try running dhclient twice in a row to see if it panics.
> I haven't filed a send-pr yet, but I can consistently trigger a panic
> by running dhclient twice.  Particularly if dhclient fails to get
> a lease, and I then run it again. :(
> 
> -Andrew
> -- 
> -----------------------------------------------------------------
> Andrew Gillham                            | This space left blank
> gillham@whirlpool.com                     | inadvertently.
> I speak for myself, not for my employer.  | Contact the publisher.
> 

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In computer terms, hardware is the stuff you can hit with a baseball bat,
and software is the stuff you can only swear at.
   -from a web page explaining what hardware, software, and firmware are
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