Preparing to unpack .../libsystemd0_229-4ubuntu4_amd64.deb ...
Unpacking libsystemd0:amd64 (229-4ubuntu4) over (229-3ubuntu1) ...
Processing triggers for libc-bin (2.23-0ubuntu2) ...
Setting up libsystemd0:amd64 (229-4ubuntu4) ...
Processing triggers for libc-bin (2.23-0ubuntu2) ...
dpkg: error: dpkg status database is locked by another process
dpkg: error processing package systemd (--configure):
 package systemd is already installed and configured