++ 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=5b5bb13f-137b-4493-b268-ab69cbf75960 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:26:ee:f5 + echo 5b5bb13f-137b-4493-b268-ab69cbf75960 + echo fa:16:3e:26:ee:f5