Running Without KVM?

I'm attempting to run Colima on WSL2 to debug an issue using for a controlled development environment. However, this produces an error saying `Waiting for the essential requirement 1 of 5: "ssh"`. Diving deeper, we can see this is an issue with KVM not being supported.

### Install Info

Colima was installed on Ubuntu 22.04 in WSL2 (Windows) using Homebrew: `brew install colima`. The version info is:

```
colima version 0.4.5
git commit: c0743565c722d9af03bbfd8f75910ac876bf3b56
```

### Output and Logs

Attempting to run `colima start` produces the following terminal output:

```bash
$ colima start --very-verbose
TRAC[0000] cmd ["limactl" "info"]
TRAC[0000] cmd ["limactl" "list" "colima" "--json"]
INFO[0000] starting colima
INFO[0000] runtime: docker
TRAC[0000] cmd ["limactl" "list" "colima" "--json"]
INFO[0000] starting ... context=vm
TRAC[0000] cmd ["limactl" "start" "colima"]
> Using the existing instance "colima"
> [hostagent] Starting QEMU (hint: to watch the boot progress, see "/home/ahusz/.lima/colima/serial.log")
> SSH Local Port: 33449
> [hostagent] Waiting for the essential requirement 1 of 5: "ssh"
> [hostagent] QEMU has exited
> exiting, status={Running:false Degraded:false Exiting:true Errors:[] SSHLocalPort:0} (hint: see "/home/ahusz/.lima/colima/ha.stderr.log")
FATA[0000] error starting vm: error at 'starting': exit status 1
```

`serial.log` is empty, however, `ha.stderr.log` contains the necessary information:

```json
{"level":"debug","msg":"Creating iso file /home/ahusz/.lima/colima/cidata.iso","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"Using /tmp/diskfs_iso3681316796 as workspace","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"firmware candidates = [/home/ahusz/.local/share/qemu/edk2-x86_64-code.fd /home/linuxbrew/.linuxbrew/share/qemu/edk2-x86_64-code.fd /usr/share/OVMF/OVMF_CODE.fd /usr/share/qemu/ovmf-x86_64-code.bin /usr/share/edk2-ovmf/x64/OVMF_CODE.fd]","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"OpenSSH version 8.9.1 detected","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"AES accelerator seems available, prioritizing aes128-gcm@openssh.com and aes256-gcm@openssh.com","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"Start udp server listening on: 127.0.0.1:56819","time":"2022-09-26T10:27:48-05:00"}
{"level":"info","msg":"Starting QEMU (hint: to watch the boot progress, see \"/home/ahusz/.lima/colima/serial.log\")","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"Start tcp server listening on: 127.0.0.1:36759","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"qCmd.Args: [/home/linuxbrew/.linuxbrew/bin/qemu-system-x86_64 -m 2048 -cpu host -machine q35,accel=kvm -smp 2,sockets=1,cores=2,threads=1 -drive if=pflash,format=raw,readonly=on,file=/home/linuxbrew/.linuxbrew/share/qemu/edk2-x86_64-code.fd -boot order=d,splash-time=0,menu=on -drive file=/home/ahusz/.lima/colima/basedisk,media=cdrom,readonly=on -drive file=/home/ahusz/.lima/colima/diffdisk,if=virtio -cdrom /home/ahusz/.lima/colima/cidata.iso -netdev user,id=net0,net=192.168.5.0/24,dhcpstart=192.168.5.15,hostfwd=tcp:127.0.0.1:33449-:22 -device virtio-net-pci,netdev=net0,mac=52:55:55:dc:a1:cc -device virtio-rng-pci -display none -device virtio-vga -device virtio-keyboard-pci -device virtio-mouse-pci -device qemu-xhci,id=usb-bus -parallel none -chardev socket,id=char-serial,path=/home/ahusz/.lima/colima/serial.sock,server=on,wait=off,logfile=/home/ahusz/.lima/colima/serial.log -serial chardev:char-serial -chardev socket,id=char-qmp,path=/home/ahusz/.lima/colima/qmp.sock,server=on,wait=off -qmp chardev:char-qmp -name lima-colima -pidfile /home/ahusz/.lima/colima/qemu.pid]","time":"2022-09-26T10:27:48-05:00"}
{"level":"info","msg":"Waiting for the essential requirement 1 of 5: \"ssh\"","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"executing script \"ssh\"","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"executing ssh for script \"ssh\": /usr/bin/ssh [ssh -F /dev/null -o IdentityFile=\"/home/ahusz/.lima/_config/user\" -o IdentityFile=\"/home/ahusz/.ssh/git\" -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o NoHostAuthenticationForLocalhost=yes -o GSSAPIAuthentication=no -o PreferredAuthentications=publickey -o Compression=no -o BatchMode=yes -o IdentitiesOnly=yes -o Ciphers=\"^aes128-gcm@openssh.com,aes256-gcm@openssh.com\" -o User=ahusz -o ControlMaster=auto -o ControlPath=\"/home/ahusz/.lima/colima/ssh.sock\" -o ControlPersist=5m -p 33449 127.0.0.1 -- /bin/bash]","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"stdout=\"\", stderr=\"ssh: connect to host 127.0.0.1 port 33449: Connection refused\\r\\n\", err=failed to execute script \"ssh\": stdout=\"\", stderr=\"ssh: connect to host 127.0.0.1 port 33449: Connection refused\\r\\n\": exit status 255","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"qemu[stderr]: Could not access KVM kernel module: No such file or directory","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"qemu[stderr]: qemu-system-x86_64: failed to initialize kvm: No such file or directory","time":"2022-09-26T10:27:48-05:00"}
{"error":"exit status 1","level":"info","msg":"QEMU has exited","time":"2022-09-26T10:27:48-05:00"}
```

The key lines seem to be:

```json
{"level":"debug","msg":"stdout=\"\", stderr=\"ssh: connect to host 127.0.0.1 port 33449: Connection refused\\r\\n\", err=failed to execute script \"ssh\": stdout=\"\", stderr=\"ssh: connect to host 127.0.0.1 port 33449: Connection refused\\r\\n\": exit status 255","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"qemu[stderr]: Could not access KVM kernel module: No such file or directory","time":"2022-09-26T10:27:48-05:00"}
{"level":"debug","msg":"qemu[stderr]: qemu-system-x86_64: failed to initialize kvm: No such file or directory","time":"2022-09-26T10:27:48-05:00"}
```

After ensuring the necessary packages for KVM were installed, we can see that KVM cannot be used currently:

```bash
$ sudo apt -y install bridge-utils cpu-checker libvirt-clients libvirt-daemon qemu qemu-kvm
$ kvm-ok
INFO: Your CPU does not support KVM extensions
INFO: For more detailed results, you should run this as root
HINT: sudo /usr/sbin/kvm-ok
```

### Additional Info

I'm running Windows 10 Home, which cannot installed the Hyper-V role, which seems to be necessary for KVM support on WSL2 for nested virtualization, and it seems it's a bit [complicated](https://www.reddit.com/r/bashonubuntuonwindows/comments/laje6e/info_your_cpu_does_not_support_kvm_extensions/) (requiring insider builds and compiling your own kernel), so it's more hassle than it's worth for me with my own Linux laptop.

### Summary

It would be nice, however, to be able to disable KVM support if possible so I can run Colima frictionless on WSL2, even at a major performance hit.