temporary solution is:
wget http://launchpadlibrarian.net/395488411/systemd_229-4ubuntu21.6_amd64.deb | wget http://launchpadlibrarian.net/395488401/libpam-systemd_229-4ubuntu21.6_amd64.deb | wget http://launchpadlibrarian.net/395488403/libsystemd0_229-4ubuntu21.6_amd64.deb
dpkg -i libpam-systemd_229-4ubuntu21.6_amd64.deb systemd_229-4ubuntu21.6_amd64.deb libsystemd0_229-4ubuntu21.6_amd64.deb apt-mark hold systemd libsystemd0 libpam-systemd
temporary solution is:
wget http:// launchpadlibrar ian.net/ 395488411/ systemd_ 229-4ubuntu21. 6_amd64. deb | wget http:// launchpadlibrar ian.net/ 395488401/ libpam- systemd_ 229-4ubuntu21. 6_amd64. deb | wget http:// launchpadlibrar ian.net/ 395488403/ libsystemd0_ 229-4ubuntu21. 6_amd64. deb
dpkg -i libpam- systemd_ 229-4ubuntu21. 6_amd64. deb systemd_ 229-4ubuntu21. 6_amd64. deb libsystemd0_ 229-4ubuntu21. 6_amd64. deb
apt-mark hold systemd libsystemd0 libpam-systemd