++ 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=6f82fdbf-7970-4019-a609-32c297be4312 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cd:ff:a2 + echo 6f82fdbf-7970-4019-a609-32c297be4312 + echo fa:16:3e:cd:ff:a2