+.TP
+.BI "-- -D" varname = value
+If \fB\-\-userv\fR was specified, options following the first
+.B --
+on the
+.B adt-virt-xenlvm
+commandline are passed as option arguments to \fBuserv\fR. These
+should normally be user-defined variable settings using \fB-D\fR which
+are expected by the \fBautopkgtest-xenlvm/userv-target\fR script.
+Currently only \fBdistro\fR and \fBnominum\fR are expected, and these
+can be set using \fBadt-virt-xenlvm\fR's own options.
+.TP
+.BR \-d " | " \-\-debug
+Enables debugging output. Probably not hugely interesting.