IPv4 addresses are not assigned in LXC with systemd 244.1

The packages can be found here:
https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/3801

244.1 was removed from proposed.

This bug was fixed in the package systemd - 244.1-0ubuntu2

---------------
systemd (244.1-0ubuntu2) focal; urgency=medium

  [ Dimitri John Ledkov ]
  * shutdown: do not detach autoclear loopback devices
    Author: Dimitri John Ledkov
    File: debian/patches/shutdown-do-not-detach-autoclear-loopback-devices.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=3978d34b59e98cdd01836c41a10442967636b8fc

  [ Balint Reczey ]
  * Revert upstream commit breaking IPv4 DHCP in LXC containers in 244.1
    (LP: #1857123)
    File: debian/patches/Revert-network-if-sys-is-rw-then-udev-should-be-around.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=39c12f8e736afd1b7bdeb13ff6bccaea85020873

systemd (244.1-0ubuntu1) focal; urgency=medium

  * New upstream version 244.1
    - network: set ipv6 mtu after link-up or device mtu change (LP: #1671951)
    - & other changes
  * Refresh patches.
    - Dropped changes:
      * d/p/lp-1853852-*: fix issues with muliplexed shmat calls (LP: #1853852)
        Files:
        - debian/patches/lp-1853852-seccomp-fix-multiplexed-system-calls.patch
        - debian/patches/lp-1853852-seccomp-mmap-test-results-depend-on-kernel-libseccom.patch
        https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=382271662c60c339b0a404c7a1772fe5670516ef
      * d/p/lp1671951-network-set-ipv6-mtu-after-link-up-or-device-mtu-cha.patch:
        set ipv6 mtu at correct time
  * pstore: Don't start systemd-pstore.service in containers.
    Usually it is not useful and can also fail making
    boot-and-services autopkgtest fail. (LP: #1856729)
    File: debian/patches/pstore-Don-t-start-systemd-pstore.service-in-containers.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=28b5a03769cbed9d3170ebac38508b867530a2d6
  * Revert: network: do not drop foreign config if interface is in initialized state.
    This fixes FTBFS with the other network-related reverts.
    File: debian/patches/Revert-network-do-not-drop-foreign-config-if-interface-is.patch
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=22a9fa3bb03ba2a629926af39ea7df81fe33c9b8

systemd (244-3ubuntu5) focal; urgency=medium

  [ Dariusz Gadomski ]
  * d/p/lp1762391/0001-user-util-Add-helper-functions-for-gid-lists-operati.patch,
    d/p/lp1762391/0002-execute-Restore-call-to-pam_setcred.patch,
    d/p/lp1762391/0003-execute-Detect-groups-added-by-PAM-and-merge-them-wi.patch,
    d/p/lp1762391/0004-test-Add-tests-for-gid-list-ops.patch,
    d/p/lp1762391/0005-execute-add-const-to-array-parameters-where-possible.patch,
    d/p/lp1762391/0006-execute-allow-pam_setcred-to-fail-ignore-errors.patch:
    - Restore call to pam_setcred (LP: #1762391)

  [ Dan Streetman ]
  * d/t/storage: without scsi_debug, skip test (LP: #1847816)

systemd (244-3ubuntu4) focal; urgency=medium

  * d/p/lp1671951-network-set-ipv6-mtu-after-link-up-or-device-mtu-cha.patch:
    set ipv6 mtu at correct time (LP: #1671951)
  * d/p/0001-network-rename-linux_configure_after_setting_mtu-to-linux.patch,
    d/p/0002-network-add-link-setting_genmode-flag.patc...