++ 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=7ad22613-0805-4f3b-81a5-0ff459627725 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:05:39:1a + echo 7ad22613-0805-4f3b-81a5-0ff459627725 + echo fa:16:3e:05:39:1a