++ 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=95856cce-e3fc-426b-9bf5-ab1392dac633 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:d7:5f:6d + echo 95856cce-e3fc-426b-9bf5-ab1392dac633 + echo fa:16:3e:d7:5f:6d