matrix:/var/cache/apt/archives# dpkg -i ssl-cert_1.0.15_all.deb -p
(Reading database ... 80878 files and directories currently installed.)
Preparing to replace ssl-cert 1.0.15 (using ssl-cert_1.0.15_all.deb) ...
Unpacking replacement ssl-cert ...
chgrp: cannot access `/etc/ssl/private': No such file or directory
dpkg: warning - old post-removal script returned error exit status 1
dpkg - trying script from the new package instead ...
chgrp: cannot access `/etc/ssl/private': No such file or directory
dpkg: error processing ssl-cert_1.0.15_all.deb (--install):
 subprocess new post-removal script returned error exit status 1
chgrp: cannot access `/etc/ssl/private': No such file or directory
dpkg: error while cleaning up:
 subprocess post-removal script returned error exit status 1
dpkg: error processing -p (--install):
 cannot access archive: No such file or directory
Errors were encountered while processing:
 ssl-cert_1.0.15_all.deb
 -p
matrix:/var/cache/apt/archives#