Usage: %1!s! prefix= / interface= nexthop= siteprefixlength= metric= publish=]no|yes|immortal validlifetime= |infinite preferredlifetime= ...

Usage: %1!s! [prefix=]/ [interface=]              [[nexthop=]] [[siteprefixlength=]]              [[metric=]] [[publish=]no|yes|immortal]              [[validlifetime=]|infinite]              [[preferredlifetime=]|infinite]              [[store=]active|persistent]  Parameters:         Tag                 Value        prefix            - Prefix for which to add a route.        interface         - Interface name or index.        nexthop           - Gateway address, if prefix is not on-link.        siteprefixlength  - Prefix length for the entire site, if on-link.        metric            - Route metric.        publish           - One of the following values:                            no: Not advertised in Route Advertisements.                                This is the default.                            yes: Advertised in Route Advertisements.                            immortal: Advertised in Route Advertisements                                with an infinite lifetime.        validlifetime     - Lifetime over which the route is valid.                            The default value is infinite.        preferredlifetime - Lifetime over which the route is preferred.                            The default is equal to the valid lifetime.        store             - One of the following values:                            active: Change only lasts until next boot.                            persistent: Change is persistent. This is                                        the default.  Remarks: Adds a route for a given prefix.  Example:         %1!s! 3ffe::/16 "Internet" fe80::1