Comment 1 for bug 1863873

I can't reproduce your error:

ubuntu@lp1863873-b:~$ dpkg -l systemd|grep ii
ii systemd 237-3ubuntu10.38 amd64 system and service manager
ubuntu@lp1863873-b:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
50: eth0@if51: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:16:3e:40:f5:e0 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 10.202.51.98/24 brd 10.202.51.255 scope global dynamic eth0
       valid_lft 3584sec preferred_lft 3584sec
    inet6 fe80::216:3eff:fe40:f5e0/64 scope link
       valid_lft forever preferred_lft forever
ubuntu@lp1863873-b:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following package was automatically installed and is no longer required:
  libfreetype6
Use 'sudo apt autoremove' to remove it.
The following packages will be upgraded:
  libnss-systemd libpam-systemd libsystemd0 libudev1 systemd systemd-sysv udev
7 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 4502 kB of archives.
After this operation, 10.2 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 libnss-systemd amd64 237-3ubuntu10.39 [104 kB]
Get:2 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 libsystemd0 amd64 237-3ubuntu10.39 [206 kB]
Get:3 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 libpam-systemd amd64 237-3ubuntu10.39 [107 kB]
Get:4 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 systemd amd64 237-3ubuntu10.39 [2912 kB]
Get:5 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 udev amd64 237-3ubuntu10.39 [1102 kB]
Get:6 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 libudev1 amd64 237-3ubuntu10.39 [56.1 kB]
Get:7 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 systemd-sysv amd64 237-3ubuntu10.39 [13.9 kB]
Fetched 4502 kB in 1s (3046 kB/s)
(Reading database ... 28660 files and directories currently installed.)
Preparing to unpack .../libnss-systemd_237-3ubuntu10.39_amd64.deb ...
Unpacking libnss-systemd:amd64 (237-3ubuntu10.39) over (237-3ubuntu10.38) ...
Preparing to unpack .../libsystemd0_237-3ubuntu10.39_amd64.deb ...
Unpacking libsystemd0:amd64 (237-3ubuntu10.39) over (237-3ubuntu10.38) ...
Setting up libsystemd0:amd64 (237-3ubuntu10.39) ...
(Reading database ... 28660 files and directories currently installed.)
Preparing to unpack .../libpam-systemd_237-3ubuntu10.39_amd64.deb ...
Unpacking libpam-systemd:amd64 (237-3ubuntu10.39) over (237-3ubuntu10.38) ...
Preparing to unpack .../systemd_237-3ubuntu10.39_amd64.deb ...
Unpacking systemd (237-3ubuntu10.39) over (237-3ubuntu10.38) ...
Preparing to unpack .../udev_237-3ubuntu10.39_amd64.deb ...
Unpacking udev (237-3ubuntu10.39) over (237-3ubuntu10.38) ...
Preparing to unpack .../libudev1_237-3ubuntu10.39_amd64.deb ...
Unpacking libudev1:amd64 (237-3ubuntu10.39) over (237-3ubuntu10.38) ...
Setting up libudev1:amd64 (237-3ubuntu10.39) ...
Setting up systemd (237-3ubuntu10.39) ...
(Reading database ... 28660 files and directories currently installed.)
Preparing to unpack .../systemd-sysv_237-3ubuntu10.39_amd64.deb ...
Unpacking systemd-sysv (237-3ubuntu10.39) over (237-3ubuntu10.38) ...
Setting up libnss-systemd:amd64 (237-3ubuntu10.39) ...
Setting up systemd-sysv (237-3ubuntu10.39) ...
Setting up udev (237-3ubuntu10.39) ...
update-initramfs: deferring update (trigger activated)
Setting up libpam-systemd:amd64 (237-3ubuntu10.39) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Processing triggers for dbus (1.12.2-1ubuntu1.1) ...
Processing triggers for ureadahead (0.100.0-21) ...
Processing triggers for initramfs-tools (0.130ubuntu3.9) ...
ubuntu@lp1863873-b:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
50: eth0@if51: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:16:3e:40:f5:e0 brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 10.202.51.98/24 brd 10.202.51.255 scope global dynamic eth0
       valid_lft 3593sec preferred_lft 3593sec
    inet6 fe80::216:3eff:fe40:f5e0/64 scope link
       valid_lft forever preferred_lft forever