++ 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=adf4d2ac-7cc0-4cf2-9657-f54d6d782aeb ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:28:34:d7 + echo adf4d2ac-7cc0-4cf2-9657-f54d6d782aeb + echo fa:16:3e:28:34:d7