Preparing to unpack .../systemd_224-1ubuntu3_amd64.deb ...
Unpacking systemd (224-1ubuntu3) over (219-9ubuntu1) ...
dpkg: error processing archive /var/cache/apt/archives/systemd_224-1ubuntu3_amd64.deb (--unpack):
 unable to make backup link of './usr/bin/systemd-detect-virt' before installing new version: Cannot allocate memory
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Failed to set capabilities on file `/usr/bin/systemd-detect-virt' (Invalid argument)
The value of the capability argument is not permitted for a file. Or the file is not a regular (non-symlink) file
Errors were encountered while processing:
 /var/cache/apt/archives/systemd_224-1ubuntu3_amd64.deb