++ 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=4cb42e4f-611a-4d37-80a9-cb50eab5d3ab ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:e8:44:2c + echo 4cb42e4f-611a-4d37-80a9-cb50eab5d3ab + echo fa:16:3e:e8:44:2c