[Bug 1823871] Re: After unattended-upgrade of systemd IP configuration removed from interfaces

[Todor Dragnev]

I just hit it, after system upgrades of the following packages:

Start-Date: 2022-08-30  06:13:35
Commandline: /usr/bin/unattended-upgrade
Upgrade: systemd-sysv:i386 (237-3ubuntu10.50, 237-3ubuntu10.54)
End-Date: 2022-08-30  06:13:36

Start-Date: 2022-08-30  06:13:42
Commandline: /usr/bin/unattended-upgrade
Upgrade: udev:i386 (237-3ubuntu10.50, 237-3ubuntu10.54), libudev1:i386 (237-3ubuntu10.50, 237-3ubuntu10.54)
End-Date: 2022-08-30  06:13:48

Start-Date: 2022-08-30  06:13:54
Commandline: /usr/bin/unattended-upgrade
Upgrade: libsystemd0:i386 (237-3ubuntu10.50, 237-3ubuntu10.54), libpam-systemd:i386 (237-3ubuntu10.50, 237-3ubuntu10.54), systemd:i386 (237-3ubuntu10.50, 237-3ubuntu10.54), libnss-systemd:i386 (237-3ubuntu10.50, 237-3ubuntu10.54)
End-Date: 2022-08-30  06:14:03

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Title:
  After unattended-upgrade of systemd IP configuration removed from
  interfaces

Status in systemd package in Ubuntu:
  Invalid

Bug description:
  Info:
  Ubuntu Server 18.04 LTS, 4.15.0-43-generic, fresh installation (December, 2018).
  HP DL380 server

  I had this issue already twice in the past couple of months. After unattended upgrade of systemd my server's public IP address is removed from the interface.
  I statically configure the IP address using the interfaces file. I have opted out of the YML based network configuration. This is my apt history log:

  Start-Date: 2019-04-09  06:15:01
  Commandline: /usr/bin/unattended-upgrade
  Upgrade: systemd-sysv:amd64 (237-3ubuntu10.13, 237-3ubuntu10.19)
  End-Date: 2019-04-09  06:15:07

  Start-Date: 2019-04-09  06:15:12
  Commandline: /usr/bin/unattended-upgrade
  Upgrade: udev:amd64 (237-3ubuntu10.13, 237-3ubuntu10.19), libudev1:amd64 (237-3ubuntu10.13, 237-3ubuntu10.19)
  End-Date: 2019-04-09  06:15:56

  Start-Date: 2019-04-09  06:15:59
  Commandline: /usr/bin/unattended-upgrade
  Upgrade: libsystemd0:amd64 (237-3ubuntu10.13, 237-3ubuntu10.19), libpam-systemd:amd64 (237-3ubuntu10.13, 237-3ubuntu10.19), systemd:amd64 (237-3ubuntu10.13, 237-3ubuntu10.19), libnss-systemd:amd64 (237-3ubuntu10.13, 237-3ubuntu10.19)
  End-Date: 2019-04-09  06:16:15

  
  After that my server was unavailable from the Internet. When I logged in via out of band management and simply brought down and up the interface everything went back to normal. As said above this is the second time I had this issue. Last time it was unattended upgrades and it was systemd again.

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