def nl_error_handler_verbose(_, err, arg):
ofd = arg or _LOGGER.debug<EOL>ofd('<STR_LIT>' + strerror(-err.error))<EOL>ofd('<STR_LIT>' + print_header_content(err.msg))<EOL>return -nl_syserr2nlerr(err.error)<EOL>
https://github.com/thom311/libnl/blob/libnl3_2_25/lib/handlers.c#L78.