/lib/systemd/systemd-journald:6:journal_file_append_entry_internal:journal_file_append_entry:write_to_journal:dispatch_message_real:server_dispatch_message

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding systemd. This problem was most recently seen with package version 231-9ubuntu1, the problem page at https://errors.ubuntu.com/problem/0ec472df8a354db72f3e2d93676539e87317bc09 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker you can request it at http://forms.canonical.com/reports/.