++ 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=339bbf53-b991-4155-86f1-232dff4d8dfd ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:02:c5:a3 + echo 339bbf53-b991-4155-86f1-232dff4d8dfd + echo fa:16:3e:02:c5:a3