++ 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=e6d27317-fddf-4d22-b069-e3cbedba42de ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:1b:a2:8f + echo e6d27317-fddf-4d22-b069-e3cbedba42de + echo fa:16:3e:1b:a2:8f