+ <varlistentry>
+ <term><command>is-failed [NAME...]</command></term>
+
+ <listitem><para>Check whether any of
+ the specified units are failed.
+ Returns an exit code
+ 0 if at least one is failed, non-zero
+ otherwise. Unless
+ <option>--quiet</option> is specified
+ this will also print the current unit
+ state to STDOUT.</para></listitem>
+ </varlistentry>