case 0x10B: // NT_STATUS_NOTIFY_CLEANUP:
        case NtStatus.NT_STATUS_NOTIFY_ENUM_DIR:
            break;
        case 0xC00000BB: // NT_STATUS_NOT_SUPPORTED
        case 0xC0000010: // NT_STATUS_INVALID_DEVICE_REQUEST
            throw new SmbUnsupportedOperationException();
        case NtStatus.NT_STATUS_PATH_NOT_COVERED:
            if (!(req instanceof RequestWithPath)) {