diff --git a/src/chat/chat_sync.c b/src/chat/chat_sync.c
index a3702430..a08f46f6 100644
--- a/src/chat/chat_sync.c
+++ b/src/chat/chat_sync.c
@@ -748,6 +748,21 @@ static void cm_invite_trampoline(void* arg) {
         } else { ap += 18; }
     }
 
+    { char buf[512]; int off = 0; int n4 = 0, n6 = 0;
+      for (const struct TOPO_ADDR4* a4 = ni->v4_addrs; a4; a4 = a4->next) {
+          n4++;
+          off += snprintf(buf + off, sizeof(buf) - (size_t)off, "%s%d.%d.%d.%d:%d(p=%d)",
+              off ? "," : "", a4->addr[0], a4->addr[1], a4->addr[2], a4->addr[3], a4->port, a4->protocol);
+      }
+      for (const struct TOPO_ADDR6* a6 = ni->v6_addrs; a6; a6 = a6->next) {
+          n6++;
+          off += snprintf(buf + off, sizeof(buf) - (size_t)off, "%s%s:%d(p=%d)",
+              off ? "," : "", ip_to_str(a6->addr, AF_INET6).str, a6->port, a6->protocol);
+      }
+      DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "channel invite: parsed node=0x%016llx addrs v4=%d v6=%d [%s]",
+                 (unsigned long long)node_id, n4, n6, (n4 || n6) ? buf : "(none)");
+    }
+
     if (!ni->v4_addrs && !ni->v6_addrs) {
         DEBUG_ERROR(DEBUG_CATEGORY_GENERAL, "invite: no valid addrs for node=0x%016llx", (unsigned long long)node_id);
         while (ni->v4_addrs) { struct TOPO_ADDR4* n = ni->v4_addrs->next; u_free(ni->v4_addrs); ni->v4_addrs = n; }
diff --git a/src/routing_layer/conn_mgr_core.c b/src/routing_layer/conn_mgr_core.c
index ee1bf947..5dc6be87 100644
--- a/src/routing_layer/conn_mgr_core.c
+++ b/src/routing_layer/conn_mgr_core.c
@@ -1162,12 +1162,7 @@ int conn_mgr_open_invite(struct UTUN_INSTANCE* inst,
     if (!h) { cm_invite_fail(inv); return -1; } inv->handle=h; if (out_handle) *out_handle=h;
     queue_data_put_with_index(group->nodes, &nq->ll);
 
-    /* 6. etcp_connect — запускает UDP links + TCP STCP link через единый API */
-    if (etcp_connect(inst, nq, cm_invite_etcp_cb, inv, ETCP_CONNECT_EARLY | ETCP_CONNECT_LATE) != 0) {
-        cm_invite_fail(inv); if (out_handle) *out_handle=NULL; return -1;
-    }
-
-    inv->overall_timer = uasync_set_timeout(inst->ua, CM_INVITE_DEFAULT_TIMEOUT_MS*10, inv, cm_invite_overall_timeout, "conn_mgr_invite");
+    /* 6. лог адресов ДО старта — виден даже при неудаче etcp_connect */
     {
         char addrs[512] = ""; int aoff = 0;
         for (const struct TOPO_ADDR4* a = gni->v4_addrs; a; a = a->next)
@@ -1175,10 +1170,18 @@ int conn_mgr_open_invite(struct UTUN_INSTANCE* inst,
                 a->addr[0], a->addr[1], a->addr[2], a->addr[3], (int)a->port,
                 a->protocol == TOPO_PROTO_UDP ? "UDP" : a->protocol == TOPO_PROTO_TCP ? "TCP" : "?");
         for (const struct TOPO_ADDR6* a6 = gni->v6_addrs; a6; a6 = a6->next)
-            aoff += snprintf(addrs + aoff, sizeof(addrs) - (size_t)aoff, " [v6]:%d(%s)", (int)a6->port,
+            aoff += snprintf(addrs + aoff, sizeof(addrs) - (size_t)aoff, " %s:%d(%s)",
+                ip_to_str(a6->addr, AF_INET6).str, (int)a6->port,
                 a6->protocol == TOPO_PROTO_UDP ? "UDP" : a6->protocol == TOPO_PROTO_TCP ? "TCP" : "?");
         DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "invite: starting to 0x%016llx via%s timeout=%ds",
                    (unsigned long long)nid, addrs, CM_INVITE_DEFAULT_TIMEOUT_MS/1000);
     }
+
+    /* 7. etcp_connect — запускает UDP links + TCP STCP link через единый API */
+    if (etcp_connect(inst, nq, cm_invite_etcp_cb, inv, ETCP_CONNECT_EARLY | ETCP_CONNECT_LATE) != 0) {
+        cm_invite_fail(inv); if (out_handle) *out_handle=NULL; return -1;
+    }
+
+    inv->overall_timer = uasync_set_timeout(inst->ua, CM_INVITE_DEFAULT_TIMEOUT_MS*10, inv, cm_invite_overall_timeout, "conn_mgr_invite");
     return 0;
 }
diff --git a/src/routing_layer/topo_node.c b/src/routing_layer/topo_node.c
index 6a51d878..33d87d1b 100644
--- a/src/routing_layer/topo_node.c
+++ b/src/routing_layer/topo_node.c
@@ -119,6 +119,14 @@ struct TOPO_NODE* topo_node_registry_store(struct TOPO_GROUPS* groups, struct TO
     if (!groups || !ni) return NULL;
     struct TOPO_NODE* existing = topo_node_registry_find(groups, ni->node_id);
     if (existing) {
+        int n4 = topo_list_count((struct _topo_head*)ni->v4_addrs);
+        int n6 = topo_list_count((struct _topo_head*)ni->v6_addrs);
+        int e4 = topo_list_count((struct _topo_head*)existing->v4_addrs);
+        int e6 = topo_list_count((struct _topo_head*)existing->v6_addrs);
+        int drop4 = (e4 && n4), drop6 = (e6 && n6);
+        if (drop4 || drop6)
+            DEBUG_WARN(DEBUG_CATEGORY_BGP, "registry_store: node=%016llx EXISTS — dropping new addrs v4=%d v6=%d (existing v4=%d v6=%d)",
+                       (unsigned long long)ni->node_id, drop4 ? n4 : 0, drop6 ? n6 : 0, e4, e6);
         topo_node_ref(existing);
         if (!existing->v4_addrs && ni->v4_addrs) { existing->v4_addrs = ni->v4_addrs; ni->v4_addrs = NULL; }
         if (!existing->v6_addrs && ni->v6_addrs) { existing->v6_addrs = ni->v6_addrs; ni->v6_addrs = NULL; }
@@ -134,6 +142,10 @@ struct TOPO_NODE* topo_node_registry_store(struct TOPO_GROUPS* groups, struct TO
     memcpy(qe->data,     &ni->node_id, 8);
     memcpy(qe->data + 8, &ni,          sizeof(ni));
     queue_data_put_with_index(groups->node_registry, qe);
+    DEBUG_DEBUG(DEBUG_CATEGORY_BGP, "registry_store: node=%016llx NEW v4=%d v6=%d",
+                (unsigned long long)ni->node_id,
+                topo_list_count((struct _topo_head*)ni->v4_addrs),
+                topo_list_count((struct _topo_head*)ni->v6_addrs));
     return ni;
 }
 
diff --git a/src/transport_layer/etcp_connect.c b/src/transport_layer/etcp_connect.c
index ffc99ded..8ec685c0 100644
--- a/src/transport_layer/etcp_connect.c
+++ b/src/transport_layer/etcp_connect.c
@@ -68,7 +68,7 @@ static void connect_cancel(struct ETCP_CONNECT* ctx) {
 static void connect_create_links_v4(struct ETCP_CONNECT* ctx, struct TOPO_GROUP_NODE* node) {
     if (!node) return;
     struct TOPO_NODE* ni = topo_node_registry_find(ctx->instance->topo_groups, node->node_id);
-    if (!ni) { DEBUG_DEBUG(DEBUG_CATEGORY_ETCP, "[etcp_connect] links_v4: ni NOT in registry for node=%016llx", (unsigned long long)node->node_id); return; }
+    if (!ni) { DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "[etcp_connect] links_v4: ni NOT in registry for node=%016llx", (unsigned long long)node->node_id); return; }
     int addr_count = 0, sock_count = 0, link_count = 0;
     { struct ETCP_SOCKET* s = ctx->instance->etcp_sockets; while (s) { sock_count++; s = s->next; } }
     for (const struct TOPO_ADDR4* a = ni->v4_addrs; a; a = a->next) {
@@ -93,26 +93,30 @@ static void connect_create_links_v4(struct ETCP_CONNECT* ctx, struct TOPO_GROUP_
         DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] link_v4: %d.%d.%d.%d:%d proto=%d links=%d conn=[%s]",
                    a->addr[0], a->addr[1], a->addr[2], a->addr[3], a->port, a->protocol, addr_links, ctx->conn->log_name);
     }
-    DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] links_v4: TOTAL addrs=%d socks=%d links=%d for node=%016llx",
-                addr_count, sock_count, link_count, (unsigned long long)node->node_id);
+    DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] links_v4: TOTAL addrs=%d socks=%d links=%d%s for node=%016llx",
+                addr_count, sock_count, link_count, addr_count == 0 ? " (v4_addrs EMPTY)" : "", (unsigned long long)node->node_id);
 }
 
 static void connect_create_links_v6(struct ETCP_CONNECT* ctx, struct TOPO_GROUP_NODE* node) {
     if (!node) return;
     struct TOPO_NODE* ni = topo_node_registry_find(ctx->instance->topo_groups, node->node_id);
-    if (!ni) return;
+    if (!ni) { DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "[etcp_connect] links_v6: ni NOT in registry for node=%016llx", (unsigned long long)node->node_id); return; }
+    int addr_count = 0, sock_count = 0, link_count = 0;
+    { struct ETCP_SOCKET* s = ctx->instance->etcp_sockets; while (s) { sock_count++; s = s->next; } }
     for (const struct TOPO_ADDR6* a = ni->v6_addrs; a; a = a->next) {
-        if (a->port == 0) continue;
-        int zero = 1; for (int j = 0; j < 16; j++) if (a->addr[j] != 0) { zero = 0; break; } if (zero) continue;
+        addr_count++;
+        if (a->port == 0) { DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] link_v6: skip port==0 node=%016llx", (unsigned long long)node->node_id); continue; }
+        int zero = 1; for (int j = 0; j < 16; j++) if (a->addr[j] != 0) { zero = 0; break; } if (zero) { DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] link_v6: skip zero addr node=%016llx", (unsigned long long)node->node_id); continue; }
         struct sockaddr_in6 sin6; memset(&sin6, 0, sizeof(sin6)); sin6.sin6_family = AF_INET6;
         memcpy(&sin6.sin6_addr, a->addr, 16); sin6.sin6_port = htons(a->port);
         int is_ll = (a->addr[0] == 0xfe && (a->addr[1] & 0xc0) == 0x80);
+        int addr_links = 0;
         if (!(a->protocol & TOPO_PROTO_TCP)) {
             struct ETCP_SOCKET* s = ctx->instance->etcp_sockets;
             while (s) { if (s->local_addr.ss_family == AF_INET6) {
                 if (is_ll) sin6.sin6_scope_id = s->netif_index;
                 struct sockaddr_storage sa; memcpy(&sa, &sin6, sizeof(sin6));
-                etcp_link_new(ctx->conn, s, &sa, 0);
+                if (etcp_link_new(ctx->conn, s, &sa, 0)) { link_count++; addr_links++; }
             } s = s->next; }
         }
         if (a->protocol & TOPO_PROTO_TCP) {
@@ -124,10 +128,14 @@ static void connect_create_links_v6(struct ETCP_CONNECT* ctx, struct TOPO_GROUP_
             struct ETCP_SOCKET* s = ctx->instance->etcp_sockets;
             while (s) { if (s->is_tcp && s->local_addr.ss_family == AF_INET6) {
                 struct ETCP_LINK *tlink = etcp_link_new(ctx->conn, s, &sa, 0);
-                if (tlink) { tlink->is_tcp = 1; etcp_tcp_link_start_connect(tlink, &sa, a->port); }
+                if (tlink) { tlink->is_tcp = 1; etcp_tcp_link_start_connect(tlink, &sa, a->port); link_count++; addr_links++; }
             } s = s->next; }
         }
+        DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] link_v6: %s:%d proto=%d links=%d conn=[%s]",
+                   ip_to_str(a->addr, AF_INET6).str, a->port, a->protocol, addr_links, ctx->conn->log_name);
     }
+    DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] links_v6: TOTAL addrs=%d socks=%d links=%d%s for node=%016llx",
+                addr_count, sock_count, link_count, addr_count == 0 ? " (v6_addrs EMPTY)" : "", (unsigned long long)node->node_id);
 }
 
 static void connect_bgp_ready_cb(struct ETCP_CONN* conn) {
@@ -225,8 +233,10 @@ int etcp_connect(struct UTUN_INSTANCE* inst, struct TOPO_GROUP_NODE* node,
 
     struct TOPO_NODE* ni = topo_node_registry_find(inst->topo_groups, node->node_id);
     if (!ni) { DEBUG_ERROR(DEBUG_CATEGORY_ETCP_CONNECT, "[etcp_connect] node not in registry"); return -1; }
-    DEBUG_DEBUG(DEBUG_CATEGORY_ETCP, "[etcp_connect] registry OK node=%016llx pub=%016llx v4addrs=%p v4socks=%p",
-                (unsigned long long)node->node_id, *(uint64_t*)ni->public_key, (void*)ni->v4_addrs, (void*)ni->v4_sock_meta);
+    DEBUG_INFO(DEBUG_CATEGORY_ETCP, "[etcp_connect] registry OK node=%016llx pub=%016llx v4addrs=%d v6addrs=%d",
+               (unsigned long long)node->node_id, *(uint64_t*)ni->public_key,
+               topo_list_count((struct _topo_head*)ni->v4_addrs),
+               topo_list_count((struct _topo_head*)ni->v6_addrs));
 
     uint64_t node_id = ni->node_id;
     if (node_id == 0) {
diff --git a/tools/chatgui/src/joindialog.cpp b/tools/chatgui/src/joindialog.cpp
index 445b4a68..df86461d 100644
--- a/tools/chatgui/src/joindialog.cpp
+++ b/tools/chatgui/src/joindialog.cpp
@@ -163,8 +163,19 @@ void JoinDialog::onConnectClicked() {
 
     uint64_t nodeId = sc_derive_node_id_from_pubkey((const uint8_t*)d.pubkey.constData());
 
-    GUI_INFO("join: decoded invite ch=%llu pubkey=%016llx... nodeId=0x%016llx addrs=%d",
-             d.channelId, *(const uint64_t*)d.pubkey.constData(), nodeId, d.addrs.size());
+    QString addrDbg;
+    for (const auto& a : d.addrs) {
+        if (a.family == 4 && a.address.size() == 4) {
+            const uint8_t* b = (const uint8_t*)a.address.constData();
+            addrDbg += QString("%1.%2.%3.%4").arg(b[0]).arg(b[1]).arg(b[2]).arg(b[3]);
+        } else {
+            addrDbg += QString("v6:%1").arg(QString(a.address.toHex()));
+        }
+        addrDbg += QString(":%1(p=%2) ").arg(a.port).arg(a.proto);
+    }
+    GUI_INFO("join: decoded invite ch=%llu pubkey=%016llx... nodeId=0x%016llx addrs=%d addr=%s",
+             d.channelId, *(const uint64_t*)d.pubkey.constData(), nodeId, d.addrs.size(),
+             addrDbg.trimmed().toUtf8().constData());
 
     m_pendingNodeId = nodeId;
     m_pendingChannelId = d.channelId;