modified with this option. For example:
.
.RS
-.IP \fBset_field:\fIvalue\fR->ct_mark\fR
+.IP \fBset_field:\fIvalue\fR[\fB/\fImask\fR]->ct_mark\fR
Store a 32-bit metadata value with the connection. If the connection is
committed, then subsequent lookups for packets in this connection will
populate the \fBct_mark\fR flow field when the packet is sent to the
connection tracker with the \fBtable\fR specified.
-.IP \fBset_field:\fIvalue\fR->ct_label\fR
+.IP \fBset_field:\fIvalue\fR[\fB/\fImask\fR]->ct_label\fR
Store a 128-bit metadata value with the connection. If the connection is
committed, then subsequent lookups for packets in this connection will
populate the \fBct_label\fR flow field when the packet is sent to the