package cryptsetup 2:1.6.6-5ubuntu2.1 failed to install/upgrade: underprosessen installerte pre-removal-skript returnerte feilstatus 1

cryptosetup did not install corretly.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: cryptsetup 2:1.6.6-5ubuntu2.1
ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-42-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
Date: Sat Dec 30 21:08:03 2017
ErrorMessage: underprosessen installerte pre-removal-skript returnerte feilstatus 1
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.24
SourcePackage: cryptsetup
Title: package cryptsetup 2:1.6.6-5ubuntu2.1 failed to install/upgrade: underprosessen installerte pre-removal-skript returnerte feilstatus 1
UpgradeStatus: No upgrade log present (probably fresh install)
crypttab:
 # <target name> <source device> <key file> <options>
 cryptswap1 UUID=541dc540-13d0-4810-9550-3b94de85d381 /dev/urandom swap,offset=1024,cipher=aes-xts-plain64