go run ./cmd/fh-kernelctl probe
go run ./examples/kernel_server
curl http://127.0.0.1:8080/
curl http://127.0.0.1:8080/_kernel
KernelBackendAuto uses io_uring when the running kernel and security policy
allow ring creation, otherwise it falls back to the epoll reactor. On non-Linux
systems fh uses its portable listener unless Kernel.Required is set.
XDP changes a network interface and should first be tested in a disposable VM or
network namespace. See docs/kernel-transport.md.