++ 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=dda0dde6-0033-4681-8b40-136608f93358 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:a8:20:10 + echo dda0dde6-0033-4681-8b40-136608f93358 + echo fa:16:3e:a8:20:10