++ 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=28b334af-8240-4e10-b738-b734d13c1659 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:eb:73:8a + echo 28b334af-8240-4e10-b738-b734d13c1659 + echo fa:16:3e:eb:73:8a