[Решено] modemmanager замедляет загрузку Plasma5

Sep 25 20:01:56 user-pc dbus[304]: [system] Activating via systemd: service name='org.freedesktop.ModemManager1' unit='dbus-org.freedesktop.ModemManager1.service'
Sep 25 20:01:56 user-pc dbus[304]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.ModemManager1.service': Unit dbus-org.freedesktop.ModemManager1.service not found.
Sep 25 20:01:56 user-pc dbus[304]: [system] Activating via systemd: service name='org.freedesktop.ModemManager1' unit='dbus-org.freedesktop.ModemManager1.service'
Sep 25 20:01:56 user-pc dbus[304]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.ModemManager1.service': Unit dbus-org.freedesktop.ModemManager1.service not found.
Sep 25 20:01:56 user-pc kdeinit5[512]: modemmanager-qt: Failed enumerating MM objects: "org.freedesktop.systemd1.NoSuchUnit"
                                         "Unit dbus-org.freedesktop.ModemManager1.service not found."
Sep 25 20:01:56 user-pc plasmashell[548]: networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "Devices"
Sep 25 20:02:01 user-pc kwin_x11[538]: QXcbConnection: XCB error: 3 (BadWindow), sequence: 9979, resource id: 58720256, major code: 18 (ChangeProperty), minor code: 0
...

selishii
P.s.s. УПс, забыл добавить, это проблема спечифичная для моего конкретного случая, в связи с многочисленными "издевательствами" над системой.

Sep 25 22:24:00 user-pc dbus[310]: [system] Activating via systemd: service name='org.freedesktop.ModemManager1' unit='dbus-org.freedesktop.ModemManager1.service'
Sep 25 22:24:00 user-pc systemd[1]: Starting Modem Manager...
-- Subject: Unit ModemManager.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit ModemManager.service has begun starting up.
Sep 25 22:24:00 user-pc plasmashell[553]: networkmanager-qt: void NetworkManager::NetworkManagerPrivate::propertiesChanged(const QVariantMap&) Unhandled property "Devices"
Sep 25 22:24:00 user-pc ModemManager[681]: <info>  ModemManager (version 1.6.2) starting in system bus...
Sep 25 22:24:00 user-pc dbus[310]: [system] Successfully activated service 'org.freedesktop.ModemManager1'
Sep 25 22:24:00 user-pc systemd[1]: Started Modem Manager.
-- Subject: Unit ModemManager.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit ModemManager.service has finished starting up.
--
-- The start-up result is done.
Sep 25 22:24:00 user-pc NetworkManager[332]: <info>  ModemManager disappeared from bus
Sep 25 22:24:00 user-pc NetworkManager[332]: <info>  ModemManager available in the bus
Sep 25 22:24:02 user-pc ModemManager[681]: <info>  Couldn't check support for device at '/sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0': not supported by any plugin
Sep 25 22:24:02 user-pc ModemManager[681]: <info>  Couldn't check support for device at '/sys/devices/pci0000:00/0000:00:1c.1/0000:04:00.0': not supported by any plugin