Problem with port query on linu

Hi. I am trying to run a server with mono linux. But in 2 minutes server starting the server shuts down and gives me time out message. The server gives me an error:

server.netlog

and this is the text that appear:


NullReferenceException: Object reference not set to an instance of an object
  at ConVar.Server.set_netlog (Boolean value) [0x00000] in <filename unknown>:0
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception&)
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
  at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
  at System.Reflection.MonoProperty.SetValue (System.Object obj, System.Object value, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] index, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
  at System.Reflection.PropertyInfo.SetValue (System.Object obj, System.Object value, System.Object[] index) [0x00000] in <filename unknown>:0
  at ConsoleSystem+Index+<BuildProperties>c__AnonStorey25.<>m__1D (System.String str) [0x00000] in <filename unknown>:0
  at ConsoleSystem+Index+<BuildProperties>c__AnonStorey25.<>m__1E (.Arg arg) [0x00000] in <filename unknown>:0
  at ConsoleSystem+Run.Internal (.Arg arg, Boolean bWantReply) [0x00000] in <filename unknown>:0
UnityEngine.DebugLogHandler:Internal_LogException(Exception, Object)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
UnityEngine.Logger:LogException(Exception, Object)
UnityEngine.Debug:LogException(Exception)
Run:Internal(Arg, Boolean)
Run:Unrestricted(String, Boolean)
ConsoleSystem:UpdateValuesFromCommandLine()
<Start>c__Iterator7:MoveNext()

(Filename:  Line: -1)
Error: server.netlog - Exception has been thrown by the target of an invocation. (mscorlib)

Im using ubuntu 14.04 LTS x64 bits with TcAdmin.

Regards