Try creating sockets again if network change occurs after bind failed.

p2p/base/relayport.cc

Index: p2p/base/relayport.cc
diff --git a/p2p/base/relayport.cc b/p2p/base/relayport.cc
index e3b7a7f065ee08b9e6996ad10adc1ebc6d85f888..0742b54e814a6bcdcb86c6e1e43dbafd998fbf3e 100644
--- a/p2p/base/relayport.cc
+++ b/p2p/base/relayport.cc
@@ -500,12 +500,9 @@ void RelayEntry::Connect() {
     LOG(LS_WARNING) << "Unknown protocol (" << ra->proto << ")";
   }
 
-  if (!socket) {
-    LOG(LS_WARNING) << "Socket creation failed";
-  }
-
   // If we failed to get a socket, move on to the next protocol.
   if (!socket) {
+    LOG(LS_WARNING) << "Socket creation failed";
     port()->thread()->Post(RTC_FROM_HERE, this, kMessageConnectTimeout);
     return;
   }