++ 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=8b797bed-fd56-431c-a407-ead93a5957b0 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:2d:30:81 + echo 8b797bed-fd56-431c-a407-ead93a5957b0 + echo fa:16:3e:2d:30:81