++ 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=476fe893-3388-4a51-9fb4-607cb1dbbbc5 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:c8:cb:1b + echo 476fe893-3388-4a51-9fb4-607cb1dbbbc5 + echo fa:16:3e:c8:cb:1b