package openssh-server 1:7.7p1-4 failed to install/upgrade: installed openssh-server package post-installation script subprocess returned error exit status 1

[robert key]

This package fails during a fresh install of Ubuntu 18.10.

ProblemType: Package
DistroRelease: Ubuntu 18.10
Package: openssh-server 1:7.7p1-4
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu13
AptOrdering: NULL: ConfigurePending
Architecture: amd64
Date: Fri Oct 26 11:42:59 2018
ErrorMessage: installed openssh-server package post-installation script subprocess returned error exit status 1
Python3Details: /usr/bin/python3.6, Python 3.6.7, python3-minimal, 3.6.7-1~18.10
PythonDetails: /usr/bin/python2.7, Python 2.7.15+, python-minimal, 2.7.15-3
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu5
 apt 1.7.0
SourcePackage: openssh
Title: package openssh-server 1:7.7p1-4 failed to install/upgrade: installed openssh-server package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)