ii  linux-headers-2.6.38-10               2.6.38-10.46                                      Header files related to Linux kernel version 2.6.38
ii  linux-headers-2.6.38-10-generic       2.6.38-10.46                                      Linux kernel headers for version 2.6.38 on x86/x86_64
iU  linux-headers-2.6.38-11               2.6.38-11.48                                      Header files related to Linux kernel version 2.6.38
iU  linux-headers-2.6.38-11-generic       2.6.38-11.48                                      Linux kernel headers for version 2.6.38 on x86/x86_64
ii  linux-headers-2.6.38-8                2.6.38-8.42                                       Header files related to Linux kernel version 2.6.38
ii  linux-headers-2.6.38-8-generic        2.6.38-8.42                                       Linux kernel headers for version 2.6.38 on x86/x86_64
iU  linux-headers-generic                 2.6.38.11.26                                      Generic Linux kernel headers
ii  virtualbox-4.0                        4.0.4-70112~Ubuntu~maverick                       Oracle VM VirtualBox