++ 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=67ccd876-4494-437d-85bf-bdbfba84b2e7 ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:81:db:89 + echo 67ccd876-4494-437d-85bf-bdbfba84b2e7 + echo fa:16:3e:81:db:89