VK-RZV2L board running AI demo problem with udmabuf

Hello,

We are trying to run AI demos on vk-rzv2l board and the following error appear:

root@vkrzv2l:~/tvm# ./object_detection
[ERROR] Failed to open udmabuf0/phys_addr : errno=2

How to add udmabuf ?

BR,

Teodor