__kvm_test_create_device
ret = __kvm_test_create_device(v.vm, 0);
ret = __kvm_test_create_device(v.vm, gic_dev_type);
if (!__kvm_test_create_device(v.vm, other)) {
int __kvm_test_create_device(struct kvm_vm *vm, uint64_t type);
r = __kvm_test_create_device(vm, KVM_DEV_TYPE_ARM_VGIC_V3);