SS928V100: sample_svp_npu_main: open /dev/svp_npu err

~/nfs # ./sample_svp_npu_main
Usage : ./sample_svp_npu_main <index>
index:
         0) svp_acl_resnet50.
         1) svp_acl_resnet50_multi_thread.
         2) svp_acl_resnet50_dynamic_batch_with_mem_cached.
         3) svp_acl_lstm.
         4) svp_acl_rfcn.(FILE->VDEC->VPSS->SVP_NPU->VGS->VO_HDMI).
~/nfs # ./sample_svp_npu_main 0
[level]:Info,[func]:sample_common_svp_check_sys_init [line]:104 [info]:Svp mpi init ok!
[Func]:svp_npu_runtime_dev_open [Line]:138 [Info]:open /dev/svp_npu err
[Func]:svp_npu_resource_init [Line]:108 [Info]:Error, init runtime resource failed!
 [level]:Error,[func]:sample_svp_npu_acl_init [line]:110 [info]:acl init failed!

 [level]:Error,[func]:sample_svp_npu_acl_resnet50 [line]:411 [info]:init failed!

~/nfs # ls /dev/svp_npu
ls: /dev/svp_npu: No such file or directory
~/nfs #

硬件环境：
SS928V100

上位机环境：
通过百度网盘分享的文件：06.虚拟机
链接：https://pan.baidu.com/s/1Hpo7t2W881AkHX6CtzLSPQ
提取码： pl6k

Ubuntu 18.04

sample版本为 SS928V100_REF_V2.0.2.1 运行 ./sample_svp_npu_main 0
报错 open /dev/svp_npu err
没有设备节点 /dev/svp_npu