Nested virtualisation. To my knowledge VirtualBox does not yet support this, and has been steadfast in its refusal for years[1]. [1] https://www.virtualbox.org

Nested virtualisation. To my knowledge VirtualBox does not yet support this, and has been steadfast in its refusal for years[1]. [1] https://www.virtualbox.org/ticket/4032 https://www.virtualbox.org/ticket/4032