Preparing to unpack .../linux-headers-4.8.0-53_4.8.0-53.56~16.04.1_all.deb ... Unpacking linux-headers-4.8.0-53 (4.8.0-53.56~16.04.1) ... Selecting previously unselected package linux-headers-4.8.0-53-lowlatency. Preparing to unpack .../linux-headers-4.8.0-53-lowlatency_4.8.0-53.56~16.04.1_amd64.deb ... Unpacking linux-headers-4.8.0-53-lowlatency (4.8.0-53.56~16.04.1) ... Selecting previously unselected package linux-image-4.8.0-53-lowlatency. Preparing to unpack .../linux-image-4.8.0-53-lowlatency_4.8.0-53.56~16.04.1_amd64.deb ... Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66. Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67. Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68. Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66. Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67. Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68. Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66. Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67. Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68. Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 109. Examining /etc/kernel/preinst.d/ run-parts: executing /etc/kernel/preinst.d/intel-microcode 4.8.0-53-lowlatency /boot/vmlinuz-4.8.0-53-lowlatency Done. dpkg: error processing archive /var/cache/apt/archives/linux-image-4.8.0-53-lowlatency_4.8.0-53.56~16.04.1_amd64.deb (--unpack): subprocess new pre-installation script returned error exit status 128