++ 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=1332728a-f077-4f89-bb77-ef5bdb3ec34f ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:ce:ff:4a + echo 1332728a-f077-4f89-bb77-ef5bdb3ec34f + echo fa:16:3e:ce:ff:4a