ii  linux-headers-3.16.0-29                                     3.16.0-29.39                             all          Header files related to Linux kernel version 3.16.0
ii  linux-headers-3.16.0-29-generic                             3.16.0-29.39                             amd64        Linux kernel headers for version 3.16.0 on 64 bit x86 SMP
ii  linux-headers-3.16.0-30                                     3.16.0-30.40                             all          Header files related to Linux kernel version 3.16.0
ii  linux-headers-3.16.0-30-generic                             3.16.0-30.40                             amd64        Linux kernel headers for version 3.16.0 on 64 bit x86 SMP
ii  linux-headers-generic                                       3.16.0.30.31                             amd64        Generic Linux kernel headers
iF  virtualbox                                                  4.3.18-dfsg-2ubuntu1                     amd64        x86 virtualization solution - base binaries
iU  virtualbox-dkms                                             4.3.18-dfsg-2ubuntu1                     all          x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-guest-additions-iso                              4.3.18-1                                 all          guest additions iso image for VirtualBox
iU  virtualbox-guest-dkms                                       4.3.18-dfsg-2ubuntu1                     all          x86 virtualization solution - guest addition module source for dkms
iF  virtualbox-guest-utils                                      4.3.18-dfsg-2ubuntu1                     amd64        x86 virtualization solution - non-X11 guest utilities
iU  virtualbox-guest-x11                                        4.3.18-dfsg-2ubuntu1                     amd64        x86 virtualization solution - X11 guest utilities
iU  virtualbox-qt                                               4.3.18-dfsg-2ubuntu1                     amd64        x86 virtualization solution - Qt based user interface