Apply optional load collection only to peer queue telemetry

tests/stream_netns/node.c

@@ -148,7 +148,7 @@ static void statistics(struct lab *lab, uint64_t id, int loads) {
     if (stream_member_online(lab->inst, lab->group, lab->inst->node_id)) {
         printf("\"%" PRIu64 "\"", lab->inst->node_id); separator = 1;
     }
-    for (struct ll_entry *e = loads && group ? group->nodes->head : NULL; e; e = e->next) {
+    for (struct ll_entry *e = group ? group->nodes->head : NULL; e; e = e->next) {
         struct TOPO_GROUP_NODE *node = (struct TOPO_GROUP_NODE *)e;
         if (stream_member_online(lab->inst, lab->group, node->node_id)) {
             printf("%s\"%" PRIu64 "\"", separator++ ? "," : "", node->node_id);
@@ -197,7 +197,7 @@ static void statistics(struct lab *lab, uint64_t id, int loads) {
         printf("}");
     }
     printf("],\"peer_load\":["); separator = 0;
-    for (struct ll_entry *e = group ? group->nodes->head : NULL; e; e = e->next) {
+    for (struct ll_entry *e = loads && group ? group->nodes->head : NULL; e; e = e->next) {
         struct TOPO_GROUP_NODE *node = (struct TOPO_GROUP_NODE *)e;
         struct stream_peer_load_info load;
         if (stream_peer_get_load(lab->inst, node->node_id, &load) != STREAM_OK) continue;