++ 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=4a6ff557-3b31-4cf3-a105-697921893995 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:d8:7b:c1 + echo 4a6ff557-3b31-4cf3-a105-697921893995 + echo fa:16:3e:d8:7b:c1