++ 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=3163b53c-1ae3-4271-af0e-294983d65270 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:bf:2f:6c + echo 3163b53c-1ae3-4271-af0e-294983d65270 + echo fa:16:3e:bf:2f:6c