NAPI-253 add internet_net as valid fabrics field
NAPI-253 add internet_net as valid fabrics field

arekinath/sdc-cloudapi,joyent/sdc-cloudapi,joyent/sdc-cloudapi,KrisShannon/sdc-cloudapi,arekinath/sdc-cloudapi,KrisShannon/sdc-cloudapi,misterbisson/sdc-cloudapi,misterbisson/sdc-cloudapi