Match on IPv6 routing header
.TP
.BR "--rt-type" " [!] \fItype\fP"
Match the type (numeric).
.TP
.BR "--rt-segsleft" " [!] \fInum\fP[:\fInum\fP]"
Match the `segments left' field (range).
.TP
.BR "--rt-len" " [!] \fIlength\fP"
Match the length of this header.
.TP
.BR "--rt-0-res"
Match the reserved field, too (type=0)
.TP
.BR "--rt-0-addrs" " \fIADDR\fP[,\fIADDR\fP...]"
Match type=0 addresses (list).
.TP
.BR "--rt-0-not-strict"
List of type=0 addresses is not a strict list.