graphic: 0.964
device: 0.827
network: 0.778
vnc: 0.575
semantic: 0.525
register: 0.487
architecture: 0.455
performance: 0.446
files: 0.429
debug: 0.419
peripherals: 0.341
permissions: 0.298
socket: 0.285
boot: 0.239
hypervisor: 0.231
arm: 0.227
mistranslation: 0.193
PID: 0.186
risc-v: 0.184
kernel: 0.166
virtual: 0.165
user-level: 0.159
i386: 0.133
TCG: 0.128
VMM: 0.124
ppc: 0.109
x86: 0.094
assembly: 0.040
KVM: 0.016

`-nic model=help` on qemu-system-riscv64 doesn't output supported models
Description of problem:
`-nic model=help` doesn't list out the supported NIC models and instead launches QEMU with warnings.
![image](/uploads/6b0ea448ee8757a5b14081bb19dd6060/image.png)
Steps to reproduce:
1. run `qemu-system-riscv64 -machine virt -nic model=help`