++ 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=8766e774-10a1-44ed-8b8c-8b0972040f5a ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:27:a5:1a + echo 8766e774-10a1-44ed-8b8c-8b0972040f5a + echo fa:16:3e:27:a5:1a