On 11/07, Jakub Kicinski wrote: > On Wed, 7 Nov 2018 14:43:56 -0800, Stanislav Fomichev wrote: > > bpftool map update pinned /sys/fs/bpf/flow/jmp_table \ > > key 0 0 0 0 \ > > value pinned /sys/fs/bpf/flow/IP/0 > > Where is that /0 coming from ? Is that in source code? I don't see > libbpf adding it, maybe I'm missing something. libbpf adds that, that's a program instance: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/lib/bpf/libbpf.c#n1744