@vorlon thank you for your well explaination. My system was upgraded from 16.04 -> 16.10 -> 17.04 -> 17.10, I'm not sure how it became that in 17.04.
@vorlon thank you for your well explaination. My system was upgraded from 16.04 -> 16.10 -> 17.04 -> 17.10, I'm not sure how it became that in 17.04.