Resolved Bug 1553 - Monitoring of certain infrastructure metrics fails in...

Resolved Bug 1553 - Monitoring of certain infrastructure metrics fails in Openstack Stein and higher versions

Change-Id: Ic657c949e11563e11228f0b2d988b9f6a91612f3
Signed-off-by: Atul Agarwal <Atul.Agarwal@Altran.com>