++ 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=2480e233-34d5-43ec-8fa5-06c97d26d286 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:6e:70:ab + echo 2480e233-34d5-43ec-8fa5-06c97d26d286 + echo fa:16:3e:6e:70:ab