In [set_default_ifcnfs](https://github.com/OLSR/olsrd/blob/master/src/main.c#L388), we do `ifs->cnf = olsr_malloc(sizeof(struct if_config_options),"Set default config");`. However, that is not freed in the remove function? https://github.com/OLSR/olsrd/blob/master/src/interfaces.c#L379