* RA_ADDRESSES A space-separated list of addresses from RA-prefixes
Format: <address>/<length>,preferred,valid
* RA_ROUTES A space-separated list of routes from the RA
- Format: <address>/<length>@gateway,preferred,valid,metric
+ Format: <address>/<length>,gateway,valid,metric
* RA_DNS A space-separated list of recursive DNS servers from the RA