zhangyuhe,
ovs mechanism driver uses the name reported from the ovs agent.
https://github.com/openstack/neutron/blob/e04e1d80e465a04b831047ac0ffb566c80cdd029/neutron/plugins/ml2/drivers/openvswitch/mech_driver/mech_openvswitch.py#L177
maybe you can check if the agent is reporting the expected value.
zhangyuhe,
ovs mechanism driver uses the name reported from the ovs agent.
https:/ /github. com/openstack/ neutron/ blob/e04e1d80e4 65a04b831047ac0 ffb566c80cdd029 /neutron/ plugins/ ml2/drivers/ openvswitch/ mech_driver/ mech_openvswitc h.py#L177
maybe you can check if the agent is reporting the expected value.