anchor.diff:  #    arguments  = "-t 15 -r 0 xen3",
   #    default    = "vmm_exec/vmm_exec_xen3.conf",
   #    type       = "xen" ]
  -
  +#
   # Driver for Xen 4.x
   VM_MAD = [
       name       = "xen",
  
positive.code: #        overridden for each action.
  #        Valid actions: deploy, shutdown, cancel, save, restore, migrate, poll
  #        An example: "-l migrate=migrate_local,save"
  #
  #  Note: You can use type = "qemu" to use qemu emulated guests, e.g. if your
  #  CPU does not have virtualization extensions or use nested Qemu-KVM hosts
  
negative.code: #  VMware Virtualization Driver Manager Configuration
  #    -r number of retries when monitoring a host
  #    -t number of threads, i.e. number of hosts monitored at the same time
  #    -p more than one action per host in parallel, needs support from hypervisor
  #    -s <shell> to execute commands, bash by default
  #    -d default snapshot strategy. It can be either 'detach' or 'suspend'. It
  #       defaults to 'suspend'.
  #-------------------------------------------------------------------------------
  #VM_MAD = [
  #    name       = "vmware",
  