++ 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=b2e420e3-6f72-43ca-9036-a5ff52eed809 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:4c:08:55 + echo b2e420e3-6f72-43ca-9036-a5ff52eed809 + echo fa:16:3e:4c:08:55