++ 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=a072cbdc-87e6-4eaf-a0e5-d008b0f4358c ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:19:a9:2a + echo a072cbdc-87e6-4eaf-a0e5-d008b0f4358c + echo fa:16:3e:19:a9:2a