On ESXi 7.0, can not find Nvme-roce Host NQN

Hi ,All:

   use the Mellanox Technologies ConnectX-5(MCX512A-ACAT) HBA, the driver is nmlx5_core (4.19.16.7) on EsxI 7.0. After create VMKernel Network Adapter , add software NVMe over RDMA adapter.  on the ESXi host run the ssh command "esxcli nvme info get". do not return Host NQN

[root@localhost:~] esxcli nvme info get

   Host NQN:

Please help to give me some suggestion? Thanks