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[Launchpad Bug Tracker <1686784@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package systemd - 229-4ubuntu19

---------------
systemd (229-4ubuntu19) xenial; urgency=medium

  * debian/extra/units/systemd-resolved.service.d/resolvconf.conf: partially
    revert, by removing ExecStart|StopPost lines, as these are not needed on
    xenial and generate warnings in the journal. (LP: #1704677)

systemd (229-4ubuntu18) xenial; urgency=medium

  * debian/extra/units/systemd-resolved.service.d/resolvconf.conf: if resolved
    is going to be started, make sure this blocks network-online.target.
    (LP: #1673860)
  * networkd: cherry-pick support for setting bridge port's priority
    (LP: #1668347)
  * Cherrypick upstream commit to enable system use kernel maximum limit for
    RLIMIT_NOFILE isntead of hard-coded (low) limit of 65536. (LP: #1686361)
  * Cherrypick upstream patch for platform predictable interface names.
    (LP: #1686784)
  * resolved: fix null pointer dereference crash (LP: #1621396)
  * Cherrypick core/timer downgrade message about random time addition
    (LP: #1692136)
  * SECURITY UPDATE: Out-of-bounds write in systemd-resolved (LP: #1695546)
    - CVE-2017-9445
  * Cherry-pick subset of patches to introduce infinity value in logind.conf
    for UserTasksMax (LP: #1651518)

 -- Dimitri John Ledkov <xnox@xxxxxxxxxx>  Mon, 17 Jul 2017 17:00:42
+0100

** Changed in: systemd (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-9445

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https://bugs.launchpad.net/bugs/1686784

Title:
  no predictable names for platform (non-PCI) NICs

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Xenial:
  Fix Released
Status in systemd source package in Yakkety:
  In Progress
Status in systemd source package in Zesty:
  Fix Released

Bug description:
  [Impact]
  Systems may have NICs attached to the "platform" bus. These are NICs that are onboard, but not attached to a PCI(-like) bus. Rather, they are described by firmware directly. None of the naming policies enabled by Ubuntu by default matches these NICs, so they end up having unpredictable names. In the case where other NICs are attached (e.g. PCIe cards), the ethN enumeration race occurs, making it impossible to have an interface name that is persistent across reboots. That is, if you do a network install over "eth0", on reboot that NIC now maybe "eth3", which causes it to fail to start the network on boot.

  The HiSilicon D05 boards are an example of this. It has 4 onboard NICs
  that are described by ACPI directly, and may also have other PCIe NICs
  plugged in.

  [Test Case]
  Boot a system with the characteristics described above, and check to see if any "ethN" interfaces exist.

  [Regression Risk]
  Unless one fixed the names locally with .netlink / .rules files the interface names will change for the ACPI/platform bus network interfaces, from random ethX names to stable names named like enaVENDORMODELiX. Thus we should check that this update doesn't negatively break certified ARM64 platforms with: ARM, NVIDIA, HISILICON platform bus ethernet devices.

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