+ STDERR. If set to <arg>journal</arg> logging is directed to the systemd
+ journal. If set to <arg>file:PATH</arg>, logging is directed to
+ the file indicated by PATH. <arg>newfile:PATH</arg> is otherwise
+ the same as file:PATH, but existing files are never overwritten.
+ If the specified file already exists, a suffix is added to the
+ file name to avoid overwriting.</p></optdesc>
+ </option>
+
+ <option>
+ <p><opt>--log-meta</opt><arg>[=BOOL]</arg></p>
+
+ <optdesc><p>Show source code location in log messages.</p></optdesc>
+ </option>
+
+ <option>
+ <p><opt>--log-time</opt><arg>[=BOOL]</arg></p>
+
+ <optdesc><p>Show timestamps in log messages.</p></optdesc>
+ </option>
+
+ <option>
+ <p><opt>--log-backtrace</opt><arg>=FRAMES</arg></p>
+
+ <optdesc><p>When FRAMES is greater than 0, log for each message a
+ stack trace up to the number of specified stack frames.</p></optdesc>