** Also affects: ubuntu-release-notes
Importance: Undecided
Status: New
** Changed in: ubuntu-release-notes
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1682437
Title:
udev does not preserve virtio interface names on s390x upgrades
Status in Release Notes for Ubuntu:
Fix Released
Status in systemd package in Ubuntu:
Triaged
Bug description:
Package: udev
Version: 232-20
Severity: important
Dear Maintainer,
systemd 232-20 introduce the patch to generate stable interface names
for virtio network interfaces on s390x. This is a good thing, and
those names should be used for new installations.
However, when upgrading existing virtual machines installations the
new udev causes interfaces to be renamed from eth0 -> enc1 thus
breaking networking configuration and possibly other configs
(e.g. daemons, firewalls etc).
Therefore on upgrade (but not clean installs) something like
persistent net rules should be generated to preserve ethX interface
names and thus not break networking configuration.
I will attach a proposed patch to achieve this shortly for review.
It is important to fix this in stretch such that upgrades to stretch
are flawless.
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