3492 some e1000g devices don't support 15 unicast addresses
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Marcel Telka <marcel.telka@nexenta.com>
Reviewed by: Albert Lee <trisk@nexenta.com>
Reviewed by: Sašo Kiselkov <skiselkov.ml@gmail.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Eric Schrock <eric.schrock@delphix.com>