net: disable tests with controlling network facilities in short mode
net: disable tests with controlling network facilities in short mode

Perhaps it would make FreeBSD 10-CURRENT/ARM on Raspberry Pi builders happy.

R=golang-dev, dave
CC=golang-dev
https://codereview.appspot.com/8008043

wesolows/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang-old,wesolows/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,firebitsbr/golang-old,wesolows/golang,firebitsbr/golang-old,wesolows/golang,wesolows/golang,wesolows/golang-old,firebitsbr/golang-old,wesolows/golang-old,wesolows/golang,wesolows/golang-old,wesolows/golang,wesolows/golang,firebitsbr/golang-old,wesolows/golang,firebitsbr/golang-old