ii  linux-headers-4.2.0-16                      4.2.0-16.19                              all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-16-generic              4.2.0-16.19                              amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-4.2.0-18                      4.2.0-18.22                              all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-18-generic              4.2.0-18.22                              amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-4.2.0-22                      4.2.0-22.27                              all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-22-generic              4.2.0-22.27                              amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-4.2.0-23                      4.2.0-23.28                              all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-23-generic              4.2.0-23.28                              amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-4.2.0-25                      4.2.0-25.30                              all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-25-generic              4.2.0-25.30                              amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-4.2.0-34                      4.2.0-34.39                              all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-34-generic              4.2.0-34.39                              amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-generic                       4.2.0.34.37                              amd64        Generic Linux kernel headers