fetch https://download.freebsd.org/ftp/releases/amd64/amd64/ISO-IMAGES/11.3/CHECKSUM.SHA256-FreeBSD-11.3-RELEASE-amd64
fetch https://download.freebsd.org/ftp/releases/amd64/amd64/ISO-IMAGES/11.3/FreeBSD-11.3-RELEASE-amd64-disc1.iso
