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Раз в сутки: Error: Could not create NMClient object: Could not connect: No such file or directory.

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Здравствуйте! В последнее время (скорее всего после последнего обновления), кажется, примерно ночью отваливается nmcli и любое обращение к этой команде завершается этим сообщением:

Error: Could not create NMClient object: Could not connect: No such file or directory.

При этом через GUI управление NetworkManager-ом работает.
Что это и почему так происходит? Как можно исправить? Не смог нагуглить проблему… Либо те, что находились - не про то вообще, либо я просто не понимаю какие из топиков могут иметь отношение к моей проблеме, а какие - нет.

# journalctl --grep="NetworkManager"
-- Logs begin at Fri 2020-04-17 17:02:19 +06, end at Thu 2020-12-17 01:45:51 +06. --
дек 16 20:13:27 user-pc kernel: audit: type=1111 audit(1608128007.343:208): pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=radio-control arg="wireless-enabled" pid=329403 uid=0 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 16 20:13:27 user-pc audit[879]: USYS_CONFIG pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=radio-control arg="wireless-enabled" pid=329403 uid=0 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 16 20:13:27 user-pc audit[879]: USYS_CONFIG pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=radio-control arg="wwan-enabled" pid=329403 uid=0 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 16 20:13:27 user-pc kernel: audit: type=1111 audit(1608128007.413:209): pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=radio-control arg="wwan-enabled" pid=329403 uid=0 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 16 20:13:27 user-pc NetworkManager[879]: <info>  [1608128007.5083] manager: (p2p-dev-wlp3s0): new 802.11 Wi-Fi P2P device (/org/freedesktop/NetworkManager/Devices/8)
дек 16 20:13:30 user-pc NetworkManager[879]: <info>  [1608128010.1261] manager: NetworkManager state is now CONNECTING
дек 16 20:13:31 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 16 20:13:31 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 20:13:31 user-pc kernel: audit: type=1130 audit(1608128011.963:210): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 20:13:31 user-pc NetworkManager[879]: <info>  [1608128011.9794] manager: NetworkManager state is now CONNECTED_LOCAL
дек 16 20:13:31 user-pc NetworkManager[879]: <info>  [1608128011.9811] manager: NetworkManager state is now CONNECTED_SITE
дек 16 20:13:42 user-pc systemd[1]: NetworkManager-dispatcher.service: Succeeded.
дек 16 20:13:42 user-pc audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 20:13:42 user-pc kernel: audit: type=1131 audit(1608128022.713:212): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 20:42:32 user-pc NetworkManager[879]: <info>  [1608129752.8611] manager: (proton0): new Tun device (/org/freedesktop/NetworkManager/Devices/9)
дек 16 20:42:32 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 16 20:42:32 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 20:42:32 user-pc kernel: audit: type=1130 audit(1608129752.887:218): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 20:42:42 user-pc systemd[1]: NetworkManager-dispatcher.service: Succeeded.
дек 16 20:42:42 user-pc audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 20:42:42 user-pc kernel: audit: type=1131 audit(1608129762.717:220): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 16 21:27:03 user-pc NetworkManager[879]: <info>  [1608132423.5885] manager: NetworkManager state is now CONNECTED_GLOBAL
дек 16 21:27:03 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 16 21:27:03 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 16 21:27:03 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 16 21:27:03 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 16 21:27:03 user-pc kernel: audit: type=1130 audit(1608132423.723:222): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 16 23:43:32 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 16 23:43:32 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 16 23:43:32 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 16 23:43:32 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 16 23:43:32 user-pc kernel: audit: type=1130 audit(1608140612.394:225): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:12:31 user-pc NetworkManager[879]: <info>  [1608145951.0424] manager: NetworkManager state is now ASLEEP
дек 17 01:12:31 user-pc audit[879]: USYS_CONFIG pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="off" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:12:31 user-pc kernel: audit: type=1111 audit(1608145951.029:232): pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="off" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:12:31 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:12:31 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:12:31 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:12:31 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:12:31 user-pc kernel: audit: type=1130 audit(1608145951.089:233): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:12:56 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:12:56 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:12:56 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:12:56 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:12:56 user-pc kernel: audit: type=1130 audit(1608145976.180:234): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/6"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/5"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/6"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/5"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/6"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/5"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"
дек 17 01:13:41 user-pc NetworkManager[879]: <info>  [1608146021.0371] manager: NetworkManager state is now DISCONNECTED
дек 17 01:13:41 user-pc audit[879]: USYS_CONFIG pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="on" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:13:41 user-pc kernel: audit: type=1111 audit(1608146021.021:235): pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="on" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:13:41 user-pc NetworkManager[879]: <info>  [1608146021.1478] manager: (p2p-dev-wlp3s0): new 802.11 Wi-Fi P2P device (/org/freedesktop/NetworkManager/Devices/10)
дек 17 01:13:42 user-pc NetworkManager[879]: <info>  [1608146022.4951] manager: NetworkManager state is now CONNECTING
дек 17 01:13:44 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:13:44 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:13:44 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:13:44 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:13:44 user-pc kernel: audit: type=1130 audit(1608146024.121:236): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:13:58 user-pc NetworkManager[879]: <info>  [1608146038.8917] manager: (proton0): new Tun device (/org/freedesktop/NetworkManager/Devices/11)
дек 17 01:14:09 user-pc NetworkManager[879]: <info>  [1608146049.1947] manager: NetworkManager state is now CONNECTED_LOCAL
дек 17 01:14:09 user-pc NetworkManager[879]: <info>  [1608146049.1990] manager: NetworkManager state is now CONNECTED_SITE
дек 17 01:14:09 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:14:09 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:14:09 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:14:09 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:14:09 user-pc kernel: audit: type=1130 audit(1608146049.302:237): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:14:09 user-pc NetworkManager[879]: <info>  [1608146049.6245] manager: NetworkManager state is now CONNECTED_GLOBAL
дек 17 01:42:53 user-pc kernel: audit: type=1111 audit(1608147773.696:238): pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="off" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:42:53 user-pc audit[879]: USYS_CONFIG pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="off" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:42:53 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:42:53 user-pc NetworkManager[879]: <info>  [1608147773.7075] manager: NetworkManager state is now ASLEEP
дек 17 01:42:53 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:42:53 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:42:53 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:42:53 user-pc kernel: audit: type=1130 audit(1608147773.756:239): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:42:56 user-pc NetworkManager[879]: <info>  [1608147776.5732] manager: NetworkManager state is now DISCONNECTING
дек 17 01:42:56 user-pc audit[879]: USYS_CONFIG pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="on" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:42:56 user-pc kernel: audit: type=1111 audit(1608147776.566:240): pid=879 uid=0 auid=4294967295 ses=4294967295 msg='op=networking-control arg="on" pid=1507 uid=1001 result=success exe="/usr/bin/NetworkManager" hostname=? addr=? terminal=? res=success'
дек 17 01:43:18 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:43:18 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:43:18 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:43:18 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:43:18 user-pc kernel: audit: type=1130 audit(1608147798.826:241): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:43:19 user-pc NetworkManager[879]: <info>  [1608147799.1132] manager: NetworkManager state is now DISCONNECTED
дек 17 01:43:19 user-pc telegram-desktop[342581]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/8"
дек 17 01:43:19 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/8"
дек 17 01:43:19 user-pc telegram-desktop[342581]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/7"
дек 17 01:43:19 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/7"
дек 17 01:43:21 user-pc NetworkManager[879]: <info>  [1608147801.7335] manager: NetworkManager state is now CONNECTING
дек 17 01:43:43 user-pc NetworkManager[879]: <info>  [1608147823.8866] manager: NetworkManager state is now CONNECTED_LOCAL
дек 17 01:43:43 user-pc NetworkManager[879]: <info>  [1608147823.8884] manager: NetworkManager state is now CONNECTED_SITE
дек 17 01:43:44 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:43:44 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:43:44 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:43:44 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:43:44 user-pc kernel: audit: type=1130 audit(1608147824.006:242): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:43:44 user-pc NetworkManager[879]: <info>  [1608147824.7320] manager: NetworkManager state is now CONNECTED_GLOBAL
дек 17 01:44:27 user-pc NetworkManager[879]: <info>  [1608147867.8005] manager: (proton0): new Tun device (/org/freedesktop/NetworkManager/Devices/12)
дек 17 01:44:27 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:44:27 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:44:27 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:44:27 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:44:27 user-pc kernel: audit: type=1130 audit(1608147867.827:243): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:44:52 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:44:52 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:44:52 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:44:52 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:44:52 user-pc kernel: audit: type=1130 audit(1608147892.957:244): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:45:26 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 17 01:45:26 user-pc telegram-desktop[342581]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/10"
дек 17 01:45:26 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/10"
дек 17 01:45:26 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 17 01:45:26 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 17 01:45:26 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 17 01:45:26 user-pc kernel: audit: type=1130 audit(1608147926.717:245): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'

При попытке рестартануть NM:

дек 17 12:43:46 user-pc audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
дек 17 12:43:46 user-pc systemd[1]: NetworkManager.service: Start request repeated too quickly.
дек 17 12:43:46 user-pc systemd[1]: NetworkManager.service: Failed with result 'exit-code'.
░░ Subject: Unit failed
░░ Defined-By: systemd
░░ Support: https://forum.manjaro.org/c/support
░░ 
░░ The unit NetworkManager.service has entered the 'failed' state with result 'exit-code'.
дек 17 12:43:46 user-pc systemd[1]: Failed to start Network Manager.
░░ Subject: A start job for unit NetworkManager.service has failed
░░ Defined-By: systemd
░░ Support: https://forum.manjaro.org/c/support
░░ 
░░ A start job for unit NetworkManager.service has finished with a failure.
░░ 
░░ The job identifier is 6694 and the job result is failed.

Ок, иду гуглить NetworkManager.service: Start request repeated too quickly натыкаюсь на вот этот блог, делаю как там написано - всё равно проблема остаётся и более того: теперь ещё и NetworkManager не стартует…

Иду внимательно читать journalctl. Вижу какие-то странные записи:

дек 16 21:27:03 user-pc NetworkManager[879]: <info>  [1608132423.5885] manager: NetworkManager state is now CONNECTED_GLOBAL
дек 16 21:27:03 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")
дек 16 21:27:03 user-pc systemd[1]: NetworkManager-dispatcher.service: Main process exited, code=exited, status=1/FAILURE
дек 16 21:27:03 user-pc systemd[1]: NetworkManager-dispatcher.service: Failed with result 'exit-code'.
дек 16 21:27:03 user-pc audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 16 21:27:03 user-pc kernel: audit: type=1130 audit(1608132423.723:222): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'
дек 16 23:43:32 user-pc dbus-daemon[878]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.6' (uid=0 pid=879 comm="/usr/bin/NetworkManager --no-daemon ")

и всё, начиная с этого момента дальше идут сплошные фейлы, связанные с NM…

пытаюсь нагуглить - опять всё какие-то проблемы с NM у всех и у всех по разным причинам (то система недообновилась, то еще что-то… мои версии NM:

# pacman -Ss networkmanager
extra/libnm 1.26.4-1 [installed]
    NetworkManager client library
extra/libnma 1.8.30-1 [installed]
    NetworkManager GUI client library
extra/networkmanager 1.26.4-1 (gnome) [installed]
    Network connection manager and user applications
extra/networkmanager-openconnect 1.2.7dev+49+gc512d5a-1 [installed]
    NetworkManager VPN plugin for OpenConnect
extra/networkmanager-openvpn 1.8.12-1 [installed]
    NetworkManager VPN plugin for OpenVPN
extra/networkmanager-pptp 1.2.9dev+10+gb41b0d0-2 [installed]
    NetworkManager VPN plugin for PPTP
extra/networkmanager-vpnc 1.2.7dev+20+gdca3aea-2 [installed]
    NetworkManager VPN plugin for VPNC
extra/nm-connection-editor 1.18.0-1 [installed]
    NetworkManager GUI connection editor and widgets
community/libnm-glib 1.18.5dev+12+ga8746f48ca-1 [installed]
    NetworkManager client library (legacy)

)

еще более странные вещи… (но может быть это потому что я не разбираюсь в этом вашем NM (на офсайте/офдоке написано, что вроде как он предоставляет какое-то там API через DBus, но почему именно один goldendict туда лезет и вообще зачем ему это?)):

дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/6"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/5"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/6"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/5"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/6"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/5"
дек 17 01:12:56 user-pc goldendict[1544]: "No such interface “org.freedesktop.DBus.Properties” on object at path /org/freedesktop/NetworkManager/ActiveConnection/2"

А и, да, после рестарта системы всё работает как ни в чём не бывало… Но мне такие расклады - не очень, т.к. очень часто систему нельзя ребутать. Помогите, пожалуйста, разобраться, что это за мистика такая?