++ 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=bf22ae30-6e8e-4918-8c0e-e71f2daab8e2 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:3c:34:f0 + echo bf22ae30-6e8e-4918-8c0e-e71f2daab8e2 + echo fa:16:3e:3c:34:f0