If adapter type is unknown and interface name is "ipsec", treat as VPN.

webrtc/rtc_base/network.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 783 matching lines @@
 AdapterType BasicNetworkManager::GetAdapterTypeFromName(
     const char* network_name) const {
   // If there is a network_monitor, use it to get the adapter type.
   // Otherwise, get the adapter type based on a few name matching rules.
   if (network_monitor_) {
     AdapterType type = network_monitor_->GetAdapterType(network_name);
     if (type != ADAPTER_TYPE_UNKNOWN) {
       return type;
     }
   }
+  if (strncmp(network_name, "ipsec", 5) == 0) {
+    return ADAPTER_TYPE_VPN;
+  }
 #if defined(WEBRTC_IOS)
   // Cell networks are pdp_ipN on iOS.
   if (strncmp(network_name, "pdp_ip", 6) == 0) {
     return ADAPTER_TYPE_CELLULAR;
   }
   if (strncmp(network_name, "en", 2) == 0) {
     // This may not be most accurate because sometimes Ethernet interface
     // name also starts with "en" but it is better than showing it as
     // "unknown" type.
     // TODO(honghaiz): Write a proper IOS network manager.
@@ skipping 169 matching lines @@
   std::stringstream ss;
   // Print out the first space-terminated token of the network desc, plus
   // the IP address.
   ss << "Net[" << description_.substr(0, description_.find(' '))
      << ":" << prefix_.ToSensitiveString() << "/" << prefix_length_
      << ":" << AdapterTypeToString(type_) << "]";
   return ss.str();
 }
 
 }  // namespace rtc