only shutdown kernel when it is owned by the console

IPython/terminal/console/interactiveshell.py

@@ -121,7 +121,7 b' class ZMQTerminalInteractiveShell(TerminalInteractiveShell):'
 
         This creates completion machinery that can be used by client code,
         either interactively in-process (typically triggered by the readline
-        library), programatically (such as in test suites) or out-of-prcess
+        library), programmatically (such as in test suites) or out-of-process
         (typically over the network by remote frontends).
         """
         from IPython.core.completerlib import (module_completer,
@@ -143,7 +143,7 b' class ZMQTerminalInteractiveShell(TerminalInteractiveShell):'
     
     def ask_exit(self):
         super(ZMQTerminalInteractiveShell, self).ask_exit()
-        if self.exit_now:
+        if self.exit_now and self.manager:
             self.client.shutdown()
     
     def run_cell(self, cell, store_history=True):