++ 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=0860a9e9-9f1e-4955-910e-5924d2520329 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:9d:e8:f7 + echo 0860a9e9-9f1e-4955-910e-5924d2520329 + echo fa:16:3e:9d:e8:f7