918 Need better IP fanout (esp. with VLANs present)
Reviewed by: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Gordon Ross <gwr@nexenta.com>