working_bucket.offset = vnet_classify_get_offset (t, working_copy);
CLIB_MEMORY_BARRIER();
b->as_u64 = working_bucket.as_u64;
working_bucket.offset = vnet_classify_get_offset (t, working_copy);
CLIB_MEMORY_BARRIER();
b->as_u64 = working_bucket.as_u64;