file.AccessDeniedException bug 2.x version opensearch

Hello all
dont know if this bug is reported
when starting opensearch due to file permission warnings 755 to change 700
after change permissions to 600 or 700 (dir)
if any subfolders permissions are set to 700 (config/certs custom folder here )
I get this below error and opensearch stops
this is in both 2.1.0 and also 2.0.1 versions

opensearch-node1 | Exception in thread “main” org.opensearch.bootstrap.BootstrapException: java.nio.file.AccessDeniedException: /usr/share/opensearch/config/certs/self/dev.csr
opensearch-node1 | Likely root cause: java.nio.file.AccessDeniedException: /usr/share/opensearch/config/certs/self/self.crt
opensearch-node1 | at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:90)
opensearch-node1 | at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106)
opensearch-node1 | at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)