unity-control-center was marked for upgrade (see Mainlog.txt), however it looks like the upgrade did not in fact complete successfully (see Apttermlog.txt).
dpkg: dependency problems prevent configuration of util-linux:^M
util-linux depends on libudev1 (>= 183); however:^M
Package libudev1:amd64 is not configured yet.^M
^M
dpkg: error processing package util-linux (--configure):^M
dependency problems - leaving unconfigured^M
dpkg: dependency problems prevent configuration of systemd:^M
systemd depends on util-linux (>= 2.27.1); however:^M
Package util-linux is not configured yet.^M
^M
dpkg: error processing package systemd (--configure):^M
dependency problems - leaving unconfigured^M
Errors were encountered while processing:^M
util-linux^M
systemd^M
Log ended: 2016-04-14 17:40:08
unity-control- center was marked for upgrade (see Mainlog.txt), however it looks like the upgrade did not in fact complete successfully (see Apttermlog.txt).
dpkg: dependency problems prevent configuration of util-linux:^M
util-linux depends on libudev1 (>= 183); however:^M
Package libudev1:amd64 is not configured yet.^M
^M
dpkg: error processing package util-linux (--configure):^M
dependency problems - leaving unconfigured^M
dpkg: dependency problems prevent configuration of systemd:^M
systemd depends on util-linux (>= 2.27.1); however:^M
Package util-linux is not configured yet.^M
^M
dpkg: error processing package systemd (--configure):^M
dependency problems - leaving unconfigured^M
Errors were encountered while processing:^M
util-linux^M
systemd^M
Log ended: 2016-04-14 17:40:08
That failure is a duplicate of bug 1560797.