++ 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=7fe986ab-66d1-4e5b-9b07-bf8e3b3cedad ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:51:a6:cf + echo 7fe986ab-66d1-4e5b-9b07-bf8e3b3cedad + echo fa:16:3e:51:a6:cf