++ 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=4a38f4ea-43c6-4edc-888b-87d69b9bd377 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:b5:7f:56 + echo 4a38f4ea-43c6-4edc-888b-87d69b9bd377 + echo fa:16:3e:b5:7f:56