Did some more research today... Not even the latest Hypervisor Xen version 3.3-unstable (Debian 3.3-unstable+hg17192-1) (Debian Version installs without any problem) works so it must be something with the Ubuntu-Xen Kernel?
-- networking not working https://bugs.launchpad.net/bugs/204010 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
