I do not know of any version installed with apt failing on Xenal 16.04.
Everything behaved itself on my tests.
I have kept hard disk images.
I am now going to test 18.04 LTS bionic.
I do not know of any version installed with apt failing on Xenal 16.04.
Everything behaved itself on my tests.
I have kept hard disk images.
I am now going to test 18.04 LTS bionic.