++ 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=3ce04ed6-6974-47c7-bd14-e3b9eff98cdf ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:cd:b4:bd + echo 3ce04ed6-6974-47c7-bd14-e3b9eff98cdf + echo fa:16:3e:cd:b4:bd