++ 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=70bf352f-8e25-494a-9c28-eb30cc140f41 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:04:64:4d + echo 70bf352f-8e25-494a-9c28-eb30cc140f41 + echo fa:16:3e:04:64:4d