++ 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=0c13c8ce-1519-4e52-83b6-3a013a6d825a ++ openstack port show octavia-health-manager-port-instance -c mac_address -f value + HM_PORT_MAC=fa:16:3e:02:aa:21 + echo 0c13c8ce-1519-4e52-83b6-3a013a6d825a + echo fa:16:3e:02:aa:21