With those changes applied in a VM:
# dkms status virtualbox, 6.1.10, 5.4.0-52-generic, x86_64: installed virtualbox, 6.1.10, 5.8.0-25-generic, x86_64: installed
With those changes applied in a VM:
# dkms status
virtualbox, 6.1.10, 5.4.0-52-generic, x86_64: installed
virtualbox, 6.1.10, 5.8.0-25-generic, x86_64: installed