++ 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=659dc84e-048a-4bb8-bdb6-f473169d5705 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:37:85:ef + echo 659dc84e-048a-4bb8-bdb6-f473169d5705 + echo fa:16:3e:37:85:ef