It seems that the upgrade that entered just now:
Upgrade: libsystemd-login0:amd64 (204-0ubuntu18, 204-0ubuntu19), systemd-services:amd64 (204-0ubuntu18, 204-0ubuntu19), libsystemd-daemon0:amd64 (204-0ubuntu18, 204-0ubuntu19), libgudev-1.0-0:amd64 (204-0ubuntu18, 204-0ubuntu19), libpam-systemd:amd64 (204-0ubuntu18, 204-0ubuntu19), udev:amd64 (204-0ubuntu18, 204-0ubuntu19), libunity-scopes-json-def-desktop:amd64 (7.1.2+13.10.20131010-0ubuntu1, 7.1.2+13.10.20131010-0ubuntu2), gir1.2-gudev-1.0:amd64 (204-0ubuntu18, 204-0ubuntu19), libunity-protocol-private0:amd64 (7.1.2+13.10.20131010-0ubuntu1, 7.1.2+13.10.20131010-0ubuntu2), libudev1:amd64 (204-0ubuntu18, 204-0ubuntu19), libudev1:i386 (204-0ubuntu18, 204-0ubuntu19), libsystemd-journal0:amd64 (204-0ubuntu18, 204-0ubuntu19), libunity9:amd64 (7.1.2+13.10.20131010-0ubuntu1, 7.1.2+13.10.20131010-0ubuntu2), gir1.2-unity-5.0:amd64 (7.1.2+13.10.20131010-0ubuntu1, 7.1.2+13.10.20131010-0ubuntu2)
Fixed the problem.
It seems that the upgrade that entered just now:
Upgrade: libsystemd- login0: amd64 (204-0ubuntu18, 204-0ubuntu19), systemd- services: amd64 (204-0ubuntu18, 204-0ubuntu19), libsystemd- daemon0: amd64 (204-0ubuntu18, 204-0ubuntu19), libgudev- 1.0-0:amd64 (204-0ubuntu18, 204-0ubuntu19), libpam- systemd: amd64 (204-0ubuntu18, 204-0ubuntu19), udev:amd64 (204-0ubuntu18, 204-0ubuntu19), libunity- scopes- json-def- desktop: amd64 (7.1.2+ 13.10.20131010- 0ubuntu1, 7.1.2+13. 10.20131010- 0ubuntu2) , gir1.2- gudev-1. 0:amd64 (204-0ubuntu18, 204-0ubuntu19), libunity- protocol- private0: amd64 (7.1.2+ 13.10.20131010- 0ubuntu1, 7.1.2+13. 10.20131010- 0ubuntu2) , libudev1:amd64 (204-0ubuntu18, 204-0ubuntu19), libudev1:i386 (204-0ubuntu18, 204-0ubuntu19), libsystemd- journal0: amd64 (204-0ubuntu18, 204-0ubuntu19), libunity9:amd64 (7.1.2+ 13.10.20131010- 0ubuntu1, 7.1.2+13. 10.20131010- 0ubuntu2) , gir1.2- unity-5. 0:amd64 (7.1.2+ 13.10.20131010- 0ubuntu1, 7.1.2+13. 10.20131010- 0ubuntu2)
Fixed the problem.