A warning is not an error, there are situations where they can rightfully be emitted. I'm not sure what bootstrap.log refers to... but if you want to get rid of those warnings you should file a bug against the tool that generates this log file. Is it debootstrap maybe ?
** Changed in: dpkg (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/900904 Title: warnings in bootstrap.log To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/900904/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs