fail boot after installation with lvm due to missing thin-provisioning-tools

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=773731

when installating and creating a raid 1 with lvm cache etc, system fails to boot due to missing /usr/sbin/cache_check reports lvm2-pvscan@, fixes itself after installing the package thin-provisioning-tools

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: lvm2 2.02.176-4.1ubuntu3
ProcVersionSignature: Ubuntu 4.15.0-52.56-generic 4.15.18
Uname: Linux 4.15.0-52-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
Date: Sat Jun 22 06:42:09 2019
InstallationDate: Installed on 2019-06-22 (0 days ago)
InstallationMedia: Ubuntu-Server 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: lvm2
UpgradeStatus: No upgrade log present (probably fresh install)