<acropolis> vm_group. vm_group.add_vms Add VMs to a VM group. vm_group.antiaffinity_set Enables vm-vm preferential anti-affinity. vm_group.antiaffinity_unset Clears vm-vm anti-affinity. vm_group.create Creates one or more VM groups. vm_group.delete Deletes one or more VM groups. vm_group.get Retrieves information about a VM group. vm_group.list Lists all VM groups. vm_group.list_vms Lists VMs configured to the VmGroup. vm_group.remove_vms Remove VMs from a VM group. vm_group.update Updates the specified VM groups.