++ 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=26ab8a27-4bb8-4412-8c1c-6884c887dfcd ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:85:e0:ac + echo 26ab8a27-4bb8-4412-8c1c-6884c887dfcd + echo fa:16:3e:85:e0:ac