@Vincenzo, closing by changing the status to "Invalid". Thanks for updating us.
@Wim, the effects may be related but the cause of your problem are not related to Vincenzo's bug report. ** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1866263 Title: Upgrade to 18.04 two pc fail to internet To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1866263/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs