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: I7f97e59f616d72e184b1d87a896f6b6afe513c14
Signed-off-by: Atul Agarwal <Atul.Agarwal@altran.com>