++ 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=308259f0-101f-4354-8f1e-aa23131cd589 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:52:e2:cd + echo 308259f0-101f-4354-8f1e-aa23131cd589 + echo fa:16:3e:52:e2:cd