bpf_kfunc_call_test_static_unused_arg
actual = bpf_kfunc_call_test_static_unused_arg(expected, 0xdeadbeef);
BTF_ID_FLAGS(func, bpf_kfunc_call_test_static_unused_arg)
u32 bpf_kfunc_call_test_static_unused_arg(u32 arg, u32 unused) __ksym;