On Wed, Feb 07, 2024 at 06:44:48PM +0200, Julian Anastasov wrote: [...] > I also worry that such events slowdown the configuration > process for setups with many rules which do not use listeners. > Should we enable it with some sysctl var? Currently, many CPU cycles are > spent before we notice that there are no listeners. There is netlink_has_listeners(), IIRC there was a bit of missing work in genetlink to make this work?