VM_SUSPEND_POWEROFF
error = vm_suspend(ctx, VM_SUSPEND_POWEROFF);
case VM_SUSPEND_POWEROFF:
error = vm_suspend(ctx, VM_SUSPEND_POWEROFF);
case VM_SUSPEND_POWEROFF:
test_plain_suspend(ctx, vcpu, VM_SUSPEND_POWEROFF);
(void) vm_suspend(sc->vmm_vm, VM_SUSPEND_POWEROFF, -1);