-- *ip6base*: low number of IPv6 flows (253 per direction) is routed by
- VPP. They drive the content of IPv6 FIB size (506 total /128 prefixes).
+- *ip6base*: low number of IPv6 flows (253 or 254 per direction) is routed by
+ VPP. They drive the content of IPv6 FIB size (506 or 508 total /128 prefixes).