docs: Fix cpu parameter in networking doc
@@ -23,7 +23,7 @@ Use one `--net` command-line argument from cloud-hypervisor to specify the emula
```bash
./cloud-hypervisor \
- --cpus 4 \
+ --cpus boot=4 \
--memory "size=512M" \
--disk path=focal-server-cloudimg-amd64.raw \
--kernel my-vmlinux.bin \
