Hello Jens, or anyone else affected,

Accepted systemd into eoan-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/systemd/242-7ubuntu3.8
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
eoan to verification-done-eoan. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-eoan. In either case, without details of your testing we will not
be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: systemd (Ubuntu Eoan)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-eoan

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1868892

Title:
  initramfs-tools/hooks/udev for network *.link really sucks

Status in systemd package in Ubuntu:
  In Progress
Status in systemd source package in Xenial:
  In Progress
Status in systemd source package in Bionic:
  In Progress
Status in systemd source package in Eoan:
  Fix Committed
Status in systemd source package in Focal:
  In Progress

Bug description:
  [impact]

  If the /{etc,lib}/systemd/network directory itself is a symlink, the find
  command will not actually find any of the files in the dir it links to.

  [test case]

  $ sudo touch /etc/systemd/network/lp1868892.link
  $ sudo update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-5.4.0-21-generic
  ...
  $ sudo lsinitramfs /boot/initrd.img-5.4.0-21-generic | grep lp1868892
  usr/lib/systemd/network/lp1868892.link
  $ sudo mv /etc/systemd/network /etc/systemd/network.abc
  $ sudo ln -s network.abc /etc/systemd/network
  $ sudo update-initramfs -u
  $ sudo lsinitramfs /boot/initrd.img-5.4.0-21-generic | grep lp1868892
  $ 

  [regression potential]

  this adjusts how link files are included in the initramfs, so
  regressions would likely occur when creating new initramfs, such as
  failure to create initramfs at all, or failure to properly copy link
  files into the initramfs, causing network setup failure.

  [scope]

  this is a Debian/Ubuntu specific file, and the Debian MR was just
  opened, so this is needed for Debian and all releases of Ubuntu.

  [other info]

  This bug likely has a very limited impact, as it is uncommon to
  symlink either the /lib/systemd/network or /etc/systemd/network dirs.

  [original description]

  If one creates e.g. /etc/systemd/network.cu and
  /etc/systemd/network.fc and symlinks  /etc/systemd/network to one of
  them, network setup will fail on reboot, because /usr/share/initramfs-
  tools/hooks/udev does a very poor job: it simply checks for a
  directory instead of the link files and therefore skips copying
  required files to the ram image. Another poor job is done when copying
  the files to the ram image: instead of following symlinks it copies
  them as which in turn makes them useless, because it does not copy the
  related dirs and thus the symlinks point to nothing. So keeping the
  system in an consistent state which such poor scripts is very hard,
  asking for trouble.

  Suggested fix is attached.

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