Error: Execution of '/usr/bin/apt-get -q -y -o DPkg::Options::=--force-confold install bootstrap-vz' returned 100: Reading package lists...
Building dependency tree...
Reading state information...
The following packages were automatically installed and are no longer required:
  libdw1 libunwind8 linux-image-3.16.0-5-amd64 linux-image-3.16.0-6-amd64
  linux-image-4.9.0-0.bpo.5-amd64 linux-image-4.9.0-0.bpo.7-amd64
  linux-tools-3.19 ruby-hiera
Use 'apt-get autoremove' to remove them.
Suggested packages:
  bootstrap-vz-doc virtualbox-guest-additions-iso
The following NEW packages will be installed:
  bootstrap-vz
0 upgraded, 1 newly installed, 0 to remove and 79 not upgraded.
Need to get 0 B/132 kB of archives.
After this operation, 991 kB of additional disk space will be used.
(Reading database ... 85960 files and directories currently installed.)
Preparing to unpack .../bootstrap-vz_0.9.10+20170110git-1~wmf2_all.deb ...
Unpacking bootstrap-vz (0.9.10+20170110git-1~wmf2) ...
dpkg: error processing archive /var/cache/apt/archives/bootstrap-vz_0.9.10+20170110git-1~wmf2_all.deb (--unpack):
 trying to overwrite '/usr/bin/bootstrap-vz', which is also in package python-bootstrap-vz 0.9.9-1
Processing triggers for man-db (2.7.0.2-5) ...
Errors were encountered while processing:
 /var/cache/apt/archives/bootstrap-vz_0.9.10+20170110git-1~wmf2_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
Error: /Stage[main]/Labs_bootstrapvz/Package[bootstrap-vz]: Could not evaluate: Puppet::Util::Log requires a message