Faltaba un . en el path

tools/src/Release.php

@@ -1023,7 +1023,7 @@ class Release extends Command
             ->addEnv_file($module . "." . $host_env_file)
             ->addVolumes("./kea/conf/kea-ctrl-agent.conf", "/usr/local/etc/kea/kea-ctrl-agent.conf")
             ->addVolumes("./kea/conf/kea-dhcp4.conf", "/usr/local/etc/kea/kea-dhcp4.conf")
-            ->addVolumes("/kea/supervisord", "/etc/supervisord")
+            ->addVolumes("./kea/supervisord", "/etc/supervisord")
             ->addVolumes("./kea/hooks", "/opt/hooks")
             ;
         $this->writeVariablesEnviroment($module . "." . $host_env_file, $module,