warning: creating a mutable reference to mutable static is discouraged
   --> src/hardware/setup.rs:503:29
    |
503 |         let ring = unsafe { DES_RING.write(ethernet::DesRing::new()) };
    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
    |
    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
    = note: `#[warn(static_mut_refs)]` on by default