FreeBSD: rename network interface vtnetN to emN
FreeBSD: rename network interface vtnetN to emN

sachalin/packer_centos,Pluto1010/packer-templates-1,ody/packer-templates,matsumana/packer-templates-2,wporter82/packer-templates,matsumana/packer-templates-2,reallyenglish/packer-templates,d-adler/packer-templates,d-adler/packer-templates,wporter82/packer-templates,sachalin/packer_centos,Pluto1010/packer-templates-1,ody/packer-templates,reallyenglish/packer-templates,kaorimatz/packer-templates,kaorimatz/packer-templates