Unpacking replacement jenkins ...
dpkg-deb: file `/var/cache/apt/archives/jenkins_1.642.2_all.deb' contains ununderstood data member data.tar.xz , giving up
dpkg: error processing /var/cache/apt/archives/jenkins_1.642.2_all.deb (--unpack):
subprocess dpkg-deb --fsys-tarfile returned error exit status 2
Errors were encountered while processing:
/var/cache/apt/archives/jenkins_1.642.2_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)