make sure remote endpoint matches stored with

libi2pd/SSU.cpp

@@ -750,6 +750,11 @@ namespace transport
 				if (it.second->IsTerminationTimeoutExpired (ts))
 				{
 					auto session = it.second;
+					if (it.first != session->GetRemoteEndpoint ())
+					{
+						LogPrint (eLogWarning, "SSU: remote endpoint ", session->GetRemoteEndpoint (), " doesn't match key ", it.first, " adjusted");
+						session->SetRemoteEndpoint (it.first); // TODO: investigate why it happens
+					}
 					m_Service.post ([session]
 						{
 							LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
@@ -776,6 +781,11 @@ namespace transport
 				if (it.second->IsTerminationTimeoutExpired (ts))
 				{
 					auto session = it.second;
+					if (it.first != session->GetRemoteEndpoint ())
+					{
+						LogPrint (eLogWarning, "SSU: remote endpoint ", session->GetRemoteEndpoint (), " doesn't match key ", it.first, " adjusted");
+						session->SetRemoteEndpoint (it.first); // TODO: investigate why it happens
+					}
 					m_ServiceV6.post ([session]
 						{
 							LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");

libi2pd/SSUSession.h

@@ -81,6 +81,7 @@ namespace transport
 			void Done ();
 			void Failed ();
 			boost::asio::ip::udp::endpoint& GetRemoteEndpoint () { return m_RemoteEndpoint; };
+			void SetRemoteEndpoint (const boost::asio::ip::udp::endpoint& ep) { m_RemoteEndpoint = ep; }; // TODO: not to use
 			bool IsV6 () const { return m_RemoteEndpoint.address ().is_v6 (); };
 			void SendI2NPMessages (const std::vector<std::shared_ptr<I2NPMessage> >& msgs);
 			void SendPeerTest (); // Alice