++ 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=55854306-8db7-40bb-bd49-50e9af6d5ebc ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:07:cc:92 + echo 55854306-8db7-40bb-bd49-50e9af6d5ebc + echo fa:16:3e:07:cc:92