dhcpcd-discuss

Adding IA_PD suffix support seemed like a fun spare time activity, so I
whipped something up.  I wasn't sure where to submit to, so it's just
in a commit on github for now:

https://github.com/bldewolf/dhcpcd/commit/c6ab85de3954c019a9cec2ea32c155f4a6f64b2b

Any comments?

Thanks,
Brian