++ 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=8676876a-4b81-4aca-9fb4-6270883cfbc2 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:9b:e2:bd + echo 8676876a-4b81-4aca-9fb4-6270883cfbc2 + echo fa:16:3e:9b:e2:bd