Building virtualbox-iso within nested virtualization does not type the boot command

[blaargh]

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Overview of the Issue

In our toolchain we want to build packer vm's from within a virtual machine. Nested VT-X is working correctly. When using packer build to build Ubuntu 22.04 via virtualbox-iso, the boot command is not being typed.

Reproduction Steps

1. Get a Ubuntu vm running
2. Install virtualbox + packer
3. Build packer with the the template below

Packer version

1.8.0

Simplified Packer Template

https://gist.github.com/blaargh/eddca388c44099785e899edb67f28903

Operating system and Environment details

Ubuntu 22.04 in virtual machine hosted on ESXi 6.7

Log Fragments and crash.log files

2022/05/02 10:06:58 packer-builder-virtualbox-iso plugin: stdout: Waiting for VM "Ubuntu-Desktop-22.04" to power on...
2022/05/02 10:06:58 packer-builder-virtualbox-iso plugin: VM "Ubuntu-Desktop-22.04" has been successfully started.
2022/05/02 10:06:58 packer-builder-virtualbox-iso plugin: stderr:
==> virtualbox-iso: Waiting 4s for boot...
==> virtualbox-iso: Typing the boot command...
==> virtualbox-iso: Using SSH communicator to connect: 127.0.0.1
==> virtualbox-iso: Waiting for SSH to become available...
2022/05/02 10:07:06 packer-builder-virtualbox-iso plugin: [INFO] Waiting for SSH, up to timeout: 2h46m40s

Nothing is crashing, the boot command just instantly moves on to the SSH command

[github-actions]

This issue has been migrated to hashicorp/packer-plugin-virtualbox#84 due to the Packer Plugin split.

Please follow the new issue for updates.

[github-actions]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
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