check transport compatibility with peer before connecting

libi2pd/Transports.cpp

@@ -351,6 +351,7 @@ namespace transport
 			try
 			{
 				auto r = netdb.FindRouter (ident);
+				if (!r || !r->IsCompatible (i2p::context.GetRouterInfo ())) return;
 				{
 					std::unique_lock<std::mutex> l(m_PeersMutex);
 					it = m_Peers.insert (std::pair<i2p::data::IdentHash, Peer>(ident, { 0, r, {},