vfio_device_bind_iommufd_ioctl
ASSERT_EQ(0, vfio_device_bind_iommufd_ioctl(self->cdev_fd, self->iommufd));
ASSERT_EQ(0, vfio_device_bind_iommufd_ioctl(self->cdev_fd, self->iommufd));
ASSERT_EQ(0, vfio_device_bind_iommufd_ioctl(self->cdev_fd, self->iommufd));
ASSERT_NE(0, vfio_device_bind_iommufd_ioctl(self->cdev_fd, -2));
ASSERT_EQ(0, vfio_device_bind_iommufd_ioctl(self->cdev_fd, self->iommufd));
ASSERT_NE(0, vfio_device_bind_iommufd_ioctl(self->cdev_fd, self->iommufd));