++ 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=590e60f8-fc47-4bf4-9549-ab68b197613e ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:d8:55:a7 + echo 590e60f8-fc47-4bf4-9549-ab68b197613e + echo fa:16:3e:d8:55:a7