That's your lxc configuration that doesn't allow mknode(2), so you can't run debootstrap within it. So it'd say your environment is too restrictive to do what you want to do.
** Changed in: pbuilder (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/1791437 Title: Can't use pbuilder inside simple lxc container? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pbuilder/+bug/1791437/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs