Oh yes `HZ=4000`, `net.link.ifqmaxlen=200`, `net.isr.dispatch=…`. I don't miss running out of hardware resources that would be a few 100 (or 1000) gates to get

Oh yes `HZ=4000`, `net.link.ifqmaxlen=200`, `net.isr.dispatch=…`. I don't miss running out of hardware resources that would be a few 100 (or 1000) gates to get right like a nesting, vectored interrupt controller with enough sources and priorities.