++ 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=542413b7-c16e-463e-9b29-48560b6955d7 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:c1:a7:dc + echo 542413b7-c16e-463e-9b29-48560b6955d7 + echo fa:16:3e:c1:a7:dc