Exclude broken ironicclient versions 2.7.1
Exclude broken ironicclient versions 2.7.1

Depends-On:https://review.opendev.org/#/c/659612/

Change-Id: Ia887be9e61ab68ab5cf1586082f2791118fc9c93

mahak/nova,klmitch/nova,mahak/nova,rahulunair/nova,openstack/nova,openstack/nova,klmitch/nova,mahak/nova,klmitch/nova,openstack/nova,rahulunair/nova,rahulunair/nova,klmitch/nova