MLX5_CQE_INVALID
cqe->op_own = MLX5_CQE_INVALID << 4 | MLX5_CQE_OWNER_MASK;
cqe64->op_own = MLX5_CQE_INVALID << 4;
if (likely((cqe64->op_own) >> 4 != MLX5_CQE_INVALID) &&