Preparing to unpack .../libindicator7_12.10.2+16.04.20151208-0ubuntu1_amd64.deb ...
Unpacking libindicator7 (12.10.2+16.04.20151208-0ubuntu1) ...
Selecting previously unselected package libappindicator1.
Preparing to unpack .../libappindicator1_12.10.1+16.04.20170215-0ubuntu1_amd64.deb ...
Unpacking libappindicator1 (12.10.1+16.04.20170215-0ubuntu1) ...
Processing triggers for libc-bin (2.23-0ubuntu7) ...
Setting up shim-signed (1.27~16.04.1+0.9+1474479173.6c180c6-1ubuntu1) ...
Installing for x86_64-efi platform.
Installation finished. No error reported.
Running in non-interactive mode, doing nothing.
dpkg: error processing package shim-signed (--configure):
 subprocess installed post-installation script returned error exit status 1