++ hostname -s + HOSTNAME=instance + PORTNAME=octavia-health-manager-port-instance ++ openstack port show octavia-health-manager-port-instance -c id -f value + HM_PORT_ID=eb4f63d2-12d8-4993-8ff6-9c78ae5593b3 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:6d:35:64 + echo eb4f63d2-12d8-4993-8ff6-9c78ae5593b3 + echo fa:16:3e:6d:35:64