KnetworkManager вылетает при попытке поднять vpn с ошибкой "что то там signature failure"

Application: KNetworkManager (knetworkmanager), signal: Segmentation fault
[KCrash Handler]
#5 0x00007f4d0f927e40 in QAction::isSeparator() const () from /usr/lib/libQtGui.so.4
#6 0x00007f4d0fd6cbd1 in ?? () from /usr/lib/libQtGui.so.4
#7 0x00007f4d0fd6f850 in QMenu::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#8 0x00007f4d0f9841df in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#9 0x00007f4d0fd70f9b in QMenu::event(QEvent*) () from /usr/lib/libQtGui.so.4
#10 0x00007f4d07b4c265 in ?? () from /usr/lib/kde4/plugins/styles/oxygen.so
#11 0x00007f4d0f1e1487 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#12 0x00007f4d0f92e1fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#13 0x00007f4d0f934ecb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#14 0x00007f4d1175b526 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#15 0x00007f4d0f1e206c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#16 0x00007f4d0f9340ae in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) () from /usr/lib/libQtGui.so.4
#17 0x00007f4d0f93455f in QApplicationPrivate::sendSyntheticEnterLeave(QWidget*) () from /usr/lib/libQtGui.so.4
#18 0x00007f4d0f982d24 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#19 0x00007f4d0f982ea4 in QWidgetPrivate::hide_helper() () from /usr/lib/libQtGui.so.4
#20 0x00007f4d0f98b9c0 in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#21 0x00007f4d0f98fa32 in QWidgetAction::releaseWidget(QWidget*) () from /usr/lib/libQtGui.so.4
#22 0x00007f4d0fd6ba9b in QMenu::actionEvent(QActionEvent*) () from /usr/lib/libQtGui.so.4
#23 0x00007f4d0f983e7d in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#24 0x00007f4d0fd70f9b in QMenu::event(QEvent*) () from /usr/lib/libQtGui.so.4
#25 0x00007f4d0f92e22c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0x00007f4d0f9346fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x00007f4d1175b526 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#28 0x00007f4d0f1e206c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#29 0x00007f4d0f979c11 in QWidget::removeAction(QAction*) () from /usr/lib/libQtGui.so.4
#30 0x0000000000410fe2 in _start ()