linux-image-extra-4.4.0-4-generic 4.4.0-4.19 (i386 binary) in ubuntu xenial

 This package contains the Linux kernel extra modules for version 4.4.0 on
 32 bit x86 SMP.
 .
 Also includes the corresponding System.map file, the modules built by the
 packager, and scripts that try to ensure that the system is not left in an
 unbootable state after an update.
 .
 Supports Generic processors.
 .
 Geared toward desktop and server systems.
 .
 You likely do not want to install this package directly. Instead, install
 the linux-generic meta-package, which will ensure that upgrades work
 correctly, and that supporting packages are also installed.