Linux 64bit: Application exit crash after: Cannot find libdbus-1 in your system to resolve symbol 'dbus_connection_close' (Network bearer management/DBUS)

• Happens only if the style is non-Oxygen (KDE)
• qdbus_unloadLibDBus from qdbus_symbols.cpp is hit

Starting program: /qt-47/bin/designer
[Thread debugging using libthread_db enabled]
Qt: gdb: -nograb added to command-line options.
Use the -dograb option to enforce grabbing.
[New Thread 0x7fffec05f710 (LWP 5949)]
[New Thread 0x7fffe9c13710 (LWP 5950)]
Cannot find libdbus-1 in your system to resolve symbol 'dbus_connection_close'.

Program received signal SIGABRT, Aborted.
0x00007ffff3f86a75 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
in ../nptl/sysdeps/unix/sysv/linux/raise.c
(gdb) where
#0 0x00007ffff3f86a75 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1 0x00007ffff3f8a5c0 in *__GI_abort () at abort.c:92
#2 0x00007ffff4d37c50 in qt_message_output (msgType=QtFatalMsg,
buf=0xf33c58 "Cannot find libdbus-1 in your system to resolve symbol 'dbus_connection_close'.")
at /qt-47/src/corelib/global/qglobal.cpp:2259
#3 0x0000000000436cd7 in designerMessageHandler (type=QtFatalMsg,
msg=0xf33c58 "Cannot find libdbus-1 in your system to resolve symbol 'dbus_connection_close'.")
at /qt-47/tools/designer/src/designer/qdesigner.cpp:79
#4 0x00007ffff4d37b8f in qt_message_output (msgType=QtFatalMsg,
buf=0xf33c58 "Cannot find libdbus-1 in your system to resolve symbol 'dbus_connection_close'.")
at /qt-47/src/corelib/global/qglobal.cpp:2205
#5 0x00007ffff4d37e52 in qt_message (msgType=QtFatalMsg,
msg=0x7fffe8eb0220 "Cannot find libdbus-1 in your system to resolve symbol '%s'.", ap=0x7fffffffd8c0)
at /qt-47/src/corelib/global/qglobal.cpp:2305
#6 0x00007ffff4d386bf in qFatal (msg=0x7fffe8eb0220 "Cannot find libdbus-1 in your system to resolve symbol '%s'.")
at /qt-47/src/corelib/global/qglobal.cpp:2488
#7 0x00007fffe8ea5c34 in qdbus_resolve_me (name=0x7fffe8eaa656 "dbus_connection_close")
at /qt-47/src/dbus/qdbus_symbols.cpp:103
#8 0x00007fffe8e5249c in q_dbus_connection_close (connection=0xdfb120)
at /qt-47/src/dbus/qdbus_symbols_p.h:113
#9 0x00007fffe8e590b3 in QDBusConnectionPrivate::closeConnection (this=0xdf4af0)
at /qt-47/src/dbus/qdbusintegrator.cpp:1011
#10 0x00007fffe8e58bd4 in ~QDBusConnectionPrivate (this=0xdf4af0, __in_chrg=<value optimized out>)
at /qt-47/src/dbus/qdbusintegrator.cpp:971
#11 0x00007fffe8e59015 in QDBusConnectionPrivate::deleteYourself (this=0xdf4af0)
at /qt-47/src/dbus/qdbusintegrator.cpp:994
#12 0x00007fffe8e49c47 in ~QDBusConnection (this=0xe04f50, __in_chrg=<value optimized out>)
at /qt-47/src/dbus/qdbusconnection.cpp:294
#13 0x00007fffe8e77ac5 in ~QDBusAbstractInterfacePrivate (this=0xe04ec0, __in_chrg=<value optimized out>)
at /qt-47/src/dbus/qdbusabstractinterface_p.h:87
#14 0x00007fffe8e76dff in ~QDBusInterfacePrivate (this=0xe04ec0, __in_chrg=<value optimized out>)
at /qt-47/src/dbus/qdbusinterface.cpp:175
#15 0x00007ffff4e3a558 in QScopedPointerDeleter<QObjectData>::cleanup (pointer=0xe04ec0)
at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#16 0x00007ffff4e9abad in ~QScopedPointer (this=0xe13578, __in_chrg=<value optimized out>)
at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#17 0x00007ffff4e926f7 in ~QObject (this=0xe13570, __in_chrg=<value optimized out>)
at /qt-47/src/corelib/kernel/qobject.cpp:963
#18 0x00007fffe8e75d9a in ~QDBusAbstractInterfaceBase (this=0xe13570, __in_chrg=<value optimized out>)
at /qt-47/src/dbus/qdbusabstractinterface.h:68
#19 0x00007fffe8e74278 in ~QDBusAbstractInterface (this=0xe13570, __in_chrg=<value optimized out>)
at /qt-47/src/dbus/qdbusabstractinterface.cpp:329
#20 0x00007fffe8e7700e in ~QDBusInterface (this=0xe13570, __in_chrg=<value optimized out>)
at /qt-47/src/dbus/qdbusinterface.cpp:231
#21 0x00007fffe878e8d2 in ~QNetworkManagerSettings (this=0xe03eb0, __in_chrg=<value optimized out>)
at /qt-47/src/plugins/bearer/networkmanager/qnetworkmanagerservice.cpp:604
#22 0x00007ffff4e94cb0 in QObjectPrivate::deleteChildren (this=0xe00b90)
at /qt-47/src/corelib/kernel/qobject.cpp:1949
#23 0x00007ffff4e92688 in ~QObject (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/corelib/kernel/qobject.cpp:945
#24 0x00007ffff52dbb34 in ~QBearerEngine (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/network/bearer/qbearerengine.cpp:73
#25 0x00007fffe879f4a6 in ~QBearerEngineImpl (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/plugins/bearer/networkmanager/../qbearerengine_impl.h:64
#26 0x00007fffe87968d1 in ~QNetworkManagerEngine (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp:100
#27 0x00007ffff52da86a in qDeleteAll<QList<QBearerEngine*>::const_iterator> (begin=..., end=...)
at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:322
#28 0x00007ffff52d9e4b in qDeleteAll<QList<QBearerEngine*> > (c=...)
at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:330
#29 0x00007ffff52d692c in ~QNetworkConfigurationManagerPrivate (this=0xdf2490, __in_chrg=<value optimized out>)
at /qt-47/src/network/bearer/qnetworkconfigmanager_p.cpp:73
#30 0x00007ffff52d443b in ~QGlobalStaticDeleter (this=0x7ffff55ac930, __in_chrg=<value optimized out>)
at ../../include/QtCore/../../src/corelib/global/qglobal.h:1820
#31 0x00007ffff3f8c262 in __run_exit_handlers (status=0) at exit.c:78
#32 *__GI_exit (status=0) at exit.c:100
#33 0x00007ffff3f71c54 in __libc_start_main (main=<value optimized out>, argc=<value optimized out>,
ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>,
rtld_fini=<value optimized out>, stack_end=0x7fffffffdfc8) at libc-start.c:258
#21 0x00007fffe878e8d2 in ~QNetworkManagerSettings (this=0xe03eb0, __in_chrg=<value optimized out>)
at /qt-47/src/plugins/bearer/networkmanager/qnetworkmanagerservice.cpp:604
#22 0x00007ffff4e94cb0 in QObjectPrivate::deleteChildren (this=0xe00b90)
at /qt-47/src/corelib/kernel/qobject.cpp:1949
#23 0x00007ffff4e92688 in ~QObject (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/corelib/kernel/qobject.cpp:945
#24 0x00007ffff52dbb34 in ~QBearerEngine (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/network/bearer/qbearerengine.cpp:73
#25 0x00007fffe879f4a6 in ~QBearerEngineImpl (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/plugins/bearer/networkmanager/../qbearerengine_impl.h:64
#26 0x00007fffe87968d1 in ~QNetworkManagerEngine (this=0xe00890, __in_chrg=<value optimized out>)
at /qt-47/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp:100
#27 0x00007ffff52da86a in qDeleteAll<QList<QBearerEngine*>::const_iterator> (begin=..., end=...)
at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:322
#28 0x00007ffff52d9e4b in qDeleteAll<QList<QBearerEngine*> > (c=...)
at ../../include/QtCore/../../src/corelib/tools/qalgorithms.h:330
#29 0x00007ffff52d692c in ~QNetworkConfigurationManagerPrivate (this=0xdf2490, __in_chrg=<value optimized out>)
at /qt-47/src/network/bearer/qnetworkconfigmanager_p.cpp:73
#30 0x00007ffff52d443b in ~QGlobalStaticDeleter (this=0x7ffff55ac930, __in_chrg=<value optimized out>)
at ../../include/QtCore/../../src/corelib/global/qglobal.h:1820
#31 0x00007ffff3f8c262 in __run_exit_handlers (status=0) at exit.c:78
#32 *__GI_exit (status=0) at exit.c:100
#33 0x00007ffff3f71c54 in __libc_start_main (main=<value optimized out>, argc=<value optimized out>,
ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>,
rtld_fini=<value optimized out>, stack_end=0x7fffffffdfc8) at libc-start.c:258