++ 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=af55838e-5a60-4446-b44b-6fe1eca5400a ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:a5:7e:e3 + echo af55838e-5a60-4446-b44b-6fe1eca5400a + echo fa:16:3e:a5:7e:e3