Filtering Options:
-S --since=DATE            Show entries not older than the specified date
-U --until=DATE            Show entries not newer than the specified date
-c --cursor=CURSOR         Show entries starting at the specified cursor
--after-cursor=CURSOR   Show entries after the specified cursor
--cursor-file=FILE      Show entries after cursor in FILE and update FILE
-b --boot[=ID]             Show current boot or the specified boot
-u --unit=UNIT             Show logs from the specified unit