++ 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=c8ad56df-af17-4f40-af48-a56ed0ce5458 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:72:db:3e + echo c8ad56df-af17-4f40-af48-a56ed0ce5458 + echo fa:16:3e:72:db:3e