++ 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=55e1106a-fa1b-4401-86ee-57fc463cc542 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:40:7c:eb + echo 55e1106a-fa1b-4401-86ee-57fc463cc542 + echo fa:16:3e:40:7c:eb