++ 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=3e5c2296-7c6e-4fa9-8d17-d5f1bd8f731f ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:5c:b2:f6 + echo 3e5c2296-7c6e-4fa9-8d17-d5f1bd8f731f + echo fa:16:3e:5c:b2:f6