
This PR fixes Trove installation errors using devstack. We need to set Q_AGENT as openvswitch explicitly in local.conf when we continue to use openvswitch because devstack recently changed the default L2 agent from openvswitch to OVN[1]. [1]: https://review.opendev.org/c/openstack/devstack/+/735097 Task: 44754 Story: 2009913 Change-Id: I270bff21e0621ba59607a31607303f7d06d4a054