++ 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=345d7927-b8ba-46fb-a042-328007008857 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:c9:52:53 + echo 345d7927-b8ba-46fb-a042-328007008857 + echo fa:16:3e:c9:52:53