Errors observed post deploying SSL/TLS on overcloud

Issue

Post successful installation of the overcloud, the horizon dashboard is accessible via SSL. But, in overcloud errors are observed, while accessing the components using CLI.

[stack@stur111director ~]$ source overcloudrc   
[stack@stur111director ~]$ nova list    
/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: SubjectAltNameWarning: Certificate for xx.xx.xx.xx has no `subjectAltName`, falling back to check for a `commonName` for now. This    feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)  
SubjectAltNameWarning   
No handlers could be found for logger "keystoneauth.identity.generic.base"/usr/lib/python2.7/site-packages/requests/packages/urllib3/connection.py:303: subjectAltNameWarning: Certificate for xx.xx.xx.xx has no   `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 for details.)
SubjectAltNameWarning
ERROR (SSLError): SSL exception connecting to https://xx.xx.xx.xx:13000/v2.0/tokens: no appropriate commonName or subjectAltName fields were found