Comment 18 for bug 1492546

This bug was fixed in the package ifupdown - 0.8.8ubuntu1

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ifupdown (0.8.8ubuntu1) xenial; urgency=medium

  * Merge with Debian unstable. Remaining Ubuntu changes:
    - Always call dhclient with -1, Ubuntu carries a patch so that renewal
      won't time out.
    - link.defn, tests/testbuild-linux: Disable upping of
      bridges as it's not covering all the cases supported by the vlan and
      bridge hooks and so causes more harm than good at this point.
      (LP: #1295304)
    - debian/postinst: Bring back missing /etc/rcS.d/networking symlink, to
      clean up after old broken upgrades. (LP: #1439109) Needs to be kept
      until after 16.04 LTS.
    - ifup@.service, ifupdown-hotplug: Additionally run for "auto" class. We
      don't really support "allow-hotplug" in Ubuntu at the moment, so we need
      to deal with "auto" devices appearing after the "networking" init script
      already ran. (LP: #1374521)

ifupdown (0.8.8) unstable; urgency=medium

  [ Martin Pitt ]
  * Fix ifquery crash if interface state file does not exist yet.
    (Closes: #810779, LP: #1532722)
  * ifup@.service: Avoid stopping on shutdown via stopping system-ifup.slice
    (changed behaviour in systemd 228). (Closes: #761909, LP: #1492546)

  [ Guus Sliepen ]
  * Remove quotes around TimeoutStartSec parameter. Closes: #810656

ifupdown (0.8.7) unstable; urgency=medium

  * Impose a 5 minute timeout for starting network services.
    Closes: #318577, #810656
  * Give an error when trying to up a dhcp interface when no DHCP client is
    installed. Closes: #471926, #419139
  * Add a section in the manual about extensions provided by other packages.
    Closes: #482405, #597274
  * Use absolute paths to binaries called by ifup/ifdown. Closes: #365114
  * Return an error when trying to ifup/ifdown/ifquery an unknown interface
    (unless it is ignored due to --allow or --exclude).
  * Ignore SIGPIPE. Closes: #311054
  * Update the bridge example. Closes: #488315
  * Use the onlink option when adding a gateway route. Closes: #378506
  * Also allow the metric option for tunnels and IPv6 interfaces.

 -- Martin Pitt <email address hidden> Wed, 13 Jan 2016 07:00:46 +0100