selftests/bpf: Test fentry link after tracing_multi link

Verify that there's no any issue to attach tracing_multi link, then attach
fentry link.

Assisted-by: Codex:gpt-5.6-sol
Signed-off-by: Leon Hwang <leon.hwang@linux.dev>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20260711124822.29406-3-leon.hwang@linux.dev
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
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Leon Hwang 2026-07-11 20:48:22 +08:00 • committed by Kumar Kartikeya Dwivedi
commit 539d3edf8e
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