grub2 iso boot to tails os

menuentry "Tails OS" {
  set isofile="/root/tails-amd64-3.9.1.iso"
  # or set isofile="/<username>/Downloads/ubuntu-12.04.2-desktop-amd64.iso"
  # if you use a single partition for your $HOME
  loopback loop (hd0,1)$isofile
  linux (loop)/live/vmlinuz boot=live config live-media=removable apparmor=1 security=apparmor nopersistence timezone=Etc/UTC block.events_dfl_poll_msecs=1000 splash noautologin module=Tails kaslr slab_nomerge slub_debug=FZ mce=0 vsyscall=none union=aufs quiet toram iso-scan/filename=$isofile
  initrd (loop)/live/initrd.img
}