++ 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=fad35f70-4bde-48ef-8e34-891da2e38361 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:79:eb:45 + echo fad35f70-4bde-48ef-8e34-891da2e38361 + echo fa:16:3e:79:eb:45