github action test: add info to virtualbox test

Cleanup tempfiles

A few cleanup

docs: fix link to kubernetes 'pull-image-private-registry'

fixed the unterminated quoted string

Update docs kvm2 for nested virtualization

Docs: Clarify steps to get podman running as a driver

add new --extra-config option "scheduler"

Include a podsecuritypolicies addon

Revert "The config flag for go packages were both changed"

This reverts commit de7ea0b2.

This reverts commit f19ca159.

This reverts commit 6e619bd5.

This reverts commit 514dda8f.

Need to use the old config flag again for the old Buildroot

This reverts commit 661feaca.

WIP: Revert Buildroot version from 2020.02 to 2019.02

This reverts commit b53518d7.

Upgrade Docker, from 19.03.11 to 19.03.12

Revert "Upgrade podman to 2.0.0"

Upgrade crio to 1.18.2

Use the previous podman v1, while issues with v2 are sorted

This reverts commit 457dcef7.

Update troubleshooting docs for kvm2

release v1.12.0-beta1

add solution message when container create is stuck

ensure deleting failed hosts if --delete-on-failure is specified