++ 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=4654803d-c931-4d73-96ba-e904260cd68e ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:0a:6c:c0 + echo 4654803d-c931-4d73-96ba-e904260cd68e + echo fa:16:3e:0a:6c:c0