Nova command not working in VIO 2.0.3

Hi All,

We have VIO running in ESXi 6.0U2 envirnonment.

I am trying to get the list of VM list using nova command, but getting following error message,

I have prepared the environment on the management server by running

#source admin_rc.sh command

# nova --insecure image-list

No handlers could be found for logger "keystoneclient.auth.identity.generic.base"

ERROR (ConnectionRefused): Unable to establish connection to https://ab.abc.dc.e:5000/v2.0/tokens

Can you please help?

THanks

Ratnajit