On qemu-system-riscv64 the -nic option doesn't seem to work correctly.
qemu-system-riscv64: warning: requested NIC (anonymous, model virtio-net-pci) was not created (not supported by this machine?)
Using -netdev and -device provides the same functionality and also works
on riscv64.
Reviewed-by: Oliver Smith <ollieparanoid@postmarketos.org>
Link: https://lists.sr.ht/~postmarketos/pmbootstrap-devel/%3C20221029114536.100268-1-luca@z3ntu.xyz%3E