The following packages will be upgraded:
  bsdtar libarchive13 
2 packages upgraded, 1 newly installed, 0 to remove and 3 not upgraded.
Need to get 499 kB of archives. After unpacking 310 kB will be used.
The following packages have unmet dependencies:
 libgnutls30 : Conflicts: libnettle4 but 2.7.1-5+deb8u1 is to be installed
 libgnutls30:i386 : Conflicts: libnettle4 but 2.7.1-5+deb8u1 is to be installed