Fix stats after min_ready change
Fix stats after min_ready change

The movement of the min_ready value broke stats reporting, this
corrects it.

Change-Id: I4cf052e7357263de992233802c8947d638a1227f

citrix-openstack/nodepool,seandst/nodepool,citrix-openstack/nodepool,Tesora/tesora-nodepool,seandst/nodepool,Tesora/tesora-nodepool