UPD: more precise estimation for gateway warning

frontend/src/views/dnsvs/BCDRecords.vue

@@ -178,7 +178,8 @@
                       </b-td>
                     </b-tr>
                     <b-tr>
-                      <b-th>Gateways <span v-if="gateways.length > 1">(geschätzt anhand von VLAN-Interfaces. <a
+                      <b-th>Gateways <span
+                        v-if="(gateways.length > 1 && !(has_v6 && has_v6)) || (gateways.length > 2 && has_v6 && has_v4)">(geschätzt anhand von VLAN-Interfaces. <a
                         href="https://git.scc.kit.edu/scc-net/netvs/netvs-core/-/issues/264">Nicht immer korrekt.</a>)</span>
                       </b-th>
                       <b-td>