I'm closing the LTSP task as LTSP 5.5.6 got released and was published in Xenial without the fix being included, and the newer ifupdown makes the fix not necessary anymore.
** Changed in: ltsp (Ubuntu) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to ltsp in Ubuntu. https://bugs.launchpad.net/bugs/1492546 Title: ifdown stops LTSP's "manual" interface on shutdown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1492546/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : edubuntu-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp