Improve some error logs reported in the XDP compliance test tool.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/212fc5bd214ff706f6ef1acbe7272cf4d803ca9c.1678382940.git.lorenzo@kernel.org