++ 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=ea820fe0-bef2-493a-9f14-cdfaf2bdcd7c ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:5d:9d:1a + echo ea820fe0-bef2-493a-9f14-cdfaf2bdcd7c + echo fa:16:3e:5d:9d:1a