++ 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=07be0126-8f20-44e5-9301-4293fa04df25 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e6:37:c0 + echo 07be0126-8f20-44e5-9301-4293fa04df25 + echo fa:16:3e:e6:37:c0