The EAL assumes that cpu_set_t is an array holding CPU_SETSIZE elements.
This doesn't work when the host has more physical CPU cores than CPU_SETSIZE.

Instead, it should use CPU_ALLOC()/CPU_FREE() with the correct number of
physical CPU cores in the host.

man CPU_SET(3):
https://man7.org/linux/man-pages/man3/CPU_SET.3.html