if [[ $hostonly ]] || [[ $mount_needs ]]; then
if type -P systemd-detect-virt >/dev/null 2>&1; then
vm=$(systemd-detect-virt --vm 2>/dev/null)
(($? != 0)) && return 255
[[ $vm = "qemu" ]] && return 0
[[ $vm = "kvm" ]] && return 0
[[ $vm = "bochs" ]] && return 0
for i in /sys/class/dmi/id/*_vendor; do
[[ "$vendor" == "QEMU" ]] && return 0
[[ "$vendor" == "Red Hat" ]] && return 0
[[ "$vendor" == "Bochs" ]] && return 0
ata_piix ata_generic pata_acpi cdrom sr_mod ahci \
virtio_blk virtio virtio_ring virtio_pci \
virtio_scsi virtio_console virtio_rng virtio_mem \