On Fri, Dec 23, 2022 at 04:24:40PM +0000, Jeremy Sowden wrote: > The BPF for checking the subsystem ID looks for it in the righthand byte of > `nlh->nlmsg_type`. However, it will only be there on little-endian archi- > tectures. The result is that on big-endian architectures the subsystem ID > doesn't match, all packets are immediately accepted, and all filters are > ignored. Applied, thanks