++ 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=68d149e2-bcc6-4358-81c3-83025ffbc87e ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:a4:ec:57 + echo 68d149e2-bcc6-4358-81c3-83025ffbc87e + echo fa:16:3e:a4:ec:57