diff --git a/p2p/client/basic_port_allocator.cc b/p2p/client/basic_port_allocator.cc
index e36f266f15..2815b93476 100644
--- a/p2p/client/basic_port_allocator.cc
+++ b/p2p/client/basic_port_allocator.cc
@@ -768,6 +768,10 @@ std::vector<const rtc::Network*> BasicPortAllocatorSession::GetNetworks() {
       networks.insert(networks.end(), any_address_networks.begin(),
                       any_address_networks.end());
     }
+    RTC_LOG(LS_INFO) << "Count of networks: " << networks.size();
+    for (const rtc::Network* network : networks) {
+      RTC_LOG(LS_INFO) << network->ToString();
+    }
   }
   // Filter out link-local networks if needed.
   if (flags() & PORTALLOCATOR_DISABLE_LINK_LOCAL_NETWORKS) {
diff --git a/rtc_base/network.cc b/rtc_base/network.cc
index bbcf690915..602ce1742d 100644
--- a/rtc_base/network.cc
+++ b/rtc_base/network.cc
@@ -154,16 +154,19 @@ bool IsIgnoredIPv6(bool allow_mac_based_ipv6, const InterfaceAddress& ip) {
   // However, our IPAddress structure doesn't carry that so the
   // information is lost and causes binding failure.
   if (IPIsLinkLocal(ip)) {
+    RTC_LOG(LS_INFO) << "Ignore link local IP:" << ip.ToSensitiveString();
     return true;
   }
 
   // Any MAC based IPv6 should be avoided to prevent the MAC tracking.
   if (IPIsMacBased(ip) && !allow_mac_based_ipv6) {
+    RTC_LOG(LS_INFO) << "Ignore Mac based IP:" << ip.ToSensitiveString();
     return true;
   }
 
   // Ignore deprecated IPv6.
   if (ip.ipv6_flags() & IPV6_ADDRESS_FLAG_DEPRECATED) {
+    RTC_LOG(LS_INFO) << "Ignore deprecated IP:" << ip.ToSensitiveString();
     return true;
   }