message: reactor.network.UTPServer: Improve abort message.
diff: @@ -309,8 +309,9 @@ namespace reactor
  }
  catch (elle::Exception const& e)
  {
  - ELLE_ERR("UTPServer exceptioned while shutting down: %s\n%s",
  - e, e.backtrace())
  + ELLE_ERR(
  + "UTPServer exceptioned while shutting down: %s\nexception: %s\n%s",
  + elle::Backtrace::current(), e, e.backtrace())
  std::abort();
  }
  catch (...)
  