Allow setting queuing discipline kind

I'd like to use netlink to set the qdisc for a device to `fq`. Currently, I am building the message for this manually because setting the `kind` is not supported in `rtnetlink`.

Is that something that would be in scope? 

See https://github.com/firezone/firezone/pull/10503/files#diff-badc1fdd48cd3978ca618edfd00ff7c8ed5ed36018d113f169227d3955ddd8c3R261-R276.