++ 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=542c3ab4-32b9-4588-8538-20b045e414ad ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:90:c2:08 + echo 542c3ab4-32b9-4588-8538-20b045e414ad + echo fa:16:3e:90:c2:08