* For PMD zero copy, it requires kernel version later than v5.4-rc1;
* For shared_umem, it requires kernel version v5.10 or later and libbpf version
v0.2.0 or later.
* For PMD zero copy, it requires kernel version later than v5.4-rc1;
* For shared_umem, it requires kernel version v5.10 or later and libbpf version
v0.2.0 or later.