++ 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=e0eff920-b569-48b8-8c5b-e6218ffe2669 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:fc:34:a1 + echo e0eff920-b569-48b8-8c5b-e6218ffe2669 + echo fa:16:3e:fc:34:a1