++ 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=35aca35c-bdf3-4cf3-bb07-f66e98824913 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:be:fd:1e + echo 35aca35c-bdf3-4cf3-bb07-f66e98824913 + echo fa:16:3e:be:fd:1e