sd_journal_open_container  786 src/journal-remote/journal-upload.c                 r = sd_journal_open_container(j, arg_machine, 0);
sd_journal_open_container 1788 src/journal/journalctl.c                 r = sd_journal_open_container(&j, arg_machine, 0);
sd_journal_open_container   89 src/systemd/sd-journal.h int sd_journal_open_container(sd_journal **ret, const char *machine, int flags);