linux-image-unsigned-5.15.0-87-generic 5.15.0-87.97 (s390x binary) in ubuntu jammy

 This package contains the unsigned Linux kernel image for version 5.15.0 on
 System 390x SMP.
 .
 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.