++ 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=45f18087-0408-4847-8e50-421181437f2e ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:6f:ed:91 + echo 45f18087-0408-4847-8e50-421181437f2e + echo fa:16:3e:6f:ed:91