++ 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=64283ec3-9758-4c35-bd4f-fddd4cb57016 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:6a:4e:c1 + echo 64283ec3-9758-4c35-bd4f-fddd4cb57016 + echo fa:16:3e:6a:4e:c1