[Bug 1683908] Re: Z system has no network after do-release-upgrade from Yakkety to Zesty

[Dimitri John Ledkov]

*** This bug is a duplicate of bug 1682437 ***
    https://bugs.launchpad.net/bugs/1682437

netcfg is irrelevant here.

this is a known issue, and SRU is in progress to resolve this.

** Package changed: netcfg (Ubuntu) => systemd (Ubuntu)

** This bug has been marked a duplicate of bug 1682437
   udev does not preserve virtio interface names on s390x upgrades

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https://bugs.launchpad.net/bugs/1683908

Title:
  Z system has no network after do-release-upgrade from Yakkety to Zesty

Status in systemd package in Ubuntu:
  New

Bug description:
  do-release-upgrade was performed on a zKVM guest instance, upgrading
  Yakkety to Zesty. After reboot the system was no longer available on
  the network. The interface name changed from eth0 to enc1. The
  following change was required:

  ubuntu at s5lp6-gen01:~$ diff interfaces.ori /etc/network/interfaces
  11,12c11,12
  < auto eth0
  < iface eth0 inet static
  ---
  > auto enc1
  > iface enc1 inet static

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