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Prevent a crash when you close a dynamips node and create a link at the same time
Fix #853
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@ -49,7 +49,8 @@ class NIOUDP(NIO):
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@asyncio.coroutine
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def create(self):
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if not self._hypervisor:
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return
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yield from self._hypervisor.send("nio create_udp {name} {lport} {rhost} {rport}".format(name=self._name,
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lport=self._lport,
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rhost=self._rhost,
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