ii  linux-generic                       4.10.0.19.21                             i386         Complete Generic Linux kernel and headers
ii  linux-headers-4.10.0-19             4.10.0-19.21                             all          Header files related to Linux kernel version 4.10.0
ii  linux-headers-4.10.0-19-generic     4.10.0-19.21                             i386         Linux kernel headers for version 4.10.0 on 32 bit x86 SMP
ii  linux-headers-generic               4.10.0.19.21                             i386         Generic Linux kernel headers