net: make proxy receives interruptible

src/net.cpp

@@ -2157,6 +2157,7 @@ bool CConnman::Start(CScheduler& scheduler, std::string& strNodeError, Options c
     //
     // Start threads
     //
+    InterruptSocks5(false);
     interruptNet.reset();
     flagInterruptMsgProc = false;
 
@@ -2208,6 +2209,7 @@ void CConnman::Interrupt()
     condMsgProc.notify_all();
 
     interruptNet();
+    InterruptSocks5(true);
 
     if (semOutbound)
         for (int i=0; i<(nMaxOutbound + nMaxFeeler); i++)