++ 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=23462d0c-92aa-4cb2-9ec1-e038e4a2e074 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:40:a5:f7 + echo 23462d0c-92aa-4cb2-9ec1-e038e4a2e074 + echo fa:16:3e:40:a5:f7