Unable to execute 'request vmhost jdm login' on the BSYS.

There is no 'login' option even under the CLI account prompt (as shown below) which has root user privilege for 'request vmhost jdm' :

{MASTER}
labroot@router-re0> request vmhost jdm ?
Jul 07 12:20:45
Possible completions:
  add                  Install fresh JDM package or upgrade package
  delete               Remove currently installed JDM package
  start                Start the JDM
  stop                 Stop the JDM
{MASTER}
labroot@router-re0>

After changing to the root account prompt, the  'login' option is there, following 'request vmhost jdm':

{MASTER}
labroot@router-re0> start shell user root 
Jul 07 12:20:50
Password:
root@router-re0:/var/home/labroot # 
root@router-re0:/var/home/labroot # cli
{MASTER}
labroot@router-re0> 

{MASTER}
labroot@router-re0> request vmhost jdm ?
Possible completions:
  add                  Install fresh JDM package or upgrade package
  delete               Remove currently installed JDM package
  login                Login to JDM               <---has login option 
  start                Start the JDM
  stop                 Stop the JDM
{MASTER}
labroot@router-re0> request vmhost jdm login     <---can login into JDM on BSYS.


****************************************************************************
* The Juniper Device Manager (JDM) must only be used for orchestrating the *
* Virtual Machines for Junos Node Slicing                                  *
*                                                                          *
* Host Linux Distro: Wind River Linux OVP                                  *
* JDM Version: jns-jdm-vmhost-19.4-R2.6.x86_64                             *
* Free Disk Space on JDM's root-fs ("/"): 112067(MiB)                      *
****************************************************************************
Last login: Thu Jul  1 10:54:19 2021 from 10.107.8.101
root@jdm0:~# cli
root@jdm0>