++ 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=2c1da2ad-6f83-4072-9937-15bede46fbf1 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:44:75:c0 + echo 2c1da2ad-6f83-4072-9937-15bede46fbf1 + echo fa:16:3e:44:75:c0