++ 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=3089d48f-0171-4fea-987b-76aae2411cff ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:2d:f2:51 + echo 3089d48f-0171-4fea-987b-76aae2411cff + echo fa:16:3e:2d:f2:51