[Bug 1818282] Please test proposed package

[Łukasz Zemczak]

Hello Ioanna, or anyone else affected,

Accepted systemd into bionic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu10.20 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 and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. 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.

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https://bugs.launchpad.net/bugs/1818282

Title:
  systemd-networkd - RoutingPolicyRule does not apply correctly

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Bionic:
  Fix Committed
Status in systemd source package in Cosmic:
  Fix Committed
Status in systemd source package in Disco:
  Fix Released
Status in systemd package in Debian:
  Fix Committed

Bug description:
  [Impact]

  When attaching multiple IPs on secondary interface the routing policy rules do not
  apply for all IPs.
  The rules that are applied after restarting networkd are random.

  The issue has been reported and addressed upstream.

  [Test Case]

  Attach multiple IPs to secondary interface, config file:

  $ cat /etc/systemd/network/ens8.network
  [Match]
  Name=ens8

  [Network]
  Address=172.31.28.195/20
  Address=172.31.24.151/20
  Address=172.31.24.152/20
  Address=172.31.24.153/20

  [Route]
  Destination=0.0.0.0/0
  Gateway=172.31.16.1
  Table=1000

  [Route]
  Destination=172.31.24.153
  Gateway=0.0.0.0
  Scope=link
  Table=1000

  [Route]
  Destination=172.31.28.195
  Gateway=0.0.0.0
  Scope=link
  Table=1000

  [Route]
  Destination=172.31.24.151
  Gateway=0.0.0.0
  Scope=link
  Table=1000

  [Route]
  Destination=172.31.24.152
  Gateway=0.0.0.0
  Scope=link
  Table=1000

  [RoutingPolicyRule]
  From=172.31.24.153
  Table=1000

  [RoutingPolicyRule]
  From=172.31.28.195
  Table=1000

  [RoutingPolicyRule]
  From=172.31.24.152
  Table=1000

  [RoutingPolicyRule]
  From=172.31.24.151
  Table=1000

  $ ip rule show
  0:	from all lookup local
  0:	from 172.31.24.151 lookup 1000
  32766:	from all lookup main
  32767:	from all lookup default

  - restart networkd

  $ sudo systemctl restart systemd-networkd

  $ ip rule show
  0:	from all lookup local
  0:	from 172.31.24.151 lookup 1000
  0:	from 172.31.24.153 lookup 1000
  0:	from 172.31.28.195 lookup 1000
  32766:	from all lookup main
  32767:	from all lookup default

  - restart again

  $ sudo systemctl restart systemd-networkd

  $ ip rule show
  0:	from all lookup local
  0:	from 172.31.24.151 lookup 1000
  0:	from 172.31.24.152 lookup 1000
  32766:	from all lookup main
  32767:	from all lookup default

  The behaviour is random

  [Regression Potential]

  May impact the systemd-networkd service functionality.

  [Other]

  Affects Disco Bionic and Cosmic.

  Upstream bug : https://github.com/systemd/systemd/issues/11280
  Upstream fix : https://github.com/systemd/systemd/pull/11795/commits

  $ lsb_release -rd
  Description:	Ubuntu Disco Dingo (development branch)
  Release:	19.04

  Systemd version :
  systemd:
    Installed: 240-6ubuntu1
    Candidate: 240-6ubuntu1
    Version table:
   *** 240-6ubuntu1 500
          500 http://gb.archive.ubuntu.com/ubuntu disco/main amd64 Packages
          100 /var/lib/dpkg/status

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