In info.magnolia.importexport.BootstrapUtil we'll find this line:

log.warn("Deleted already existing node for bootstrapping: {}", fullPath);

This happens on every update, I'd rather have it on info.

The only thing I can think of is simply set the logging level to ERROR for this class, to avoid having warnings in the log. I think it is useful information though, but I doubt whether it warrants a warning, this is basically just normal flow.