[tacker] Gate broken, and a fix patch has been posted

Hi Tacker team, As you may know, the following two tacker’s gate jobs are broken since Feb 28. * tacker-functional-devstack-multinode-sol * tacker-functional-devstack-multinode-sol-multi-tenant I have investigated the cause, and posted bug report [1] and fixed patch [2]. Please refer to [1] and [2] for the problem and fix details. To: Yasufumi and Toshiaki, I have already confirmed that the above job is successful. Could you kindly review the patch [2] and merge it if it is no problem. [1] https://bugs.launchpad.net/tacker/+bug/2055431 [2] https://review.opendev.org/c/openstack/tacker/+/910720 Regards, Ayumu