CONFIG_USB_DEVICE_STACK_NEXT=y CONFIG_USBD_LOOPBACK_CLASS=y CONFIG_UDC_BUF_POOL_SIZE=4096 CONFIG_LOG=y CONFIG_USBD_LOG_LEVEL_ERR=y CONFIG_UDC_DRIVER_LOG_LEVEL_ERR=y CONFIG_USBD_LOOPBACK_LOG_LEVEL_ERR=y CONFIG_SAMPLE_USBD_PID=0x0009 CONFIG_SAMPLE_USBD_PRODUCT="Zephyr testusb sample"