+Multiple [\fIcolumn\fR[\fB,\fIcolumn\fR]...] groups may be specified
+as separate arguments, e.g. to apply different reporting parameters to
+each group. Whether multiple groups or only a single group is
+specified, any given column may only be mentioned once on the command
+line.
+.IP
+If \fB\-\-detach\fR is used with \fBmonitor\fR, then \fBovsdb\-client\fR