root@PCName:~# nmcli general logging level debug
root@PCName:~# journalctl -u NetworkManager.service -f
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4794] device (lo): state change: secondaries -> activated (reason 'none', sys-iface-state: 'external')
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4800] device (lo): Activation: successful, device activated.
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4860] device (enp0s31f6): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'assume')
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4862] device (enp0s31f6): state change: secondaries -> activated (reason 'none', sys-iface-state: 'assume')
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4865] manager: NetworkManager state is now CONNECTED_SITE
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4868] device (enp0s31f6): Activation: successful, device activated.
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4872] manager: NetworkManager state is now CONNECTED_GLOBAL
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.4875] manager: startup complete
Nov 21 19:39:11 PCName NetworkManager[365850]: <info>  [1700591951.5856] agent-manager: agent[5d1a960c4fca39ec,:1.159/org.gnome.Shell.NetworkAgent/1000]: agent registered
Nov 21 19:40:52 PCName NetworkManager[365850]: <info>  [1700592052.0331] manager: logging: level 'DEBUG' domains 'PLATFORM,RFKILL,ETHER,WIFI,BT,MB,DHCP4,DHCP6,PPP,IP4,IP6,AUTOIP4,DNS,VPN,SHARING,SUPPLICANT,AGENTS,SETTINGS,SUSPEND,CORE,DEVICE,OLPC,INFINIBAND,FIREWALL,ADSL,BOND,VLAN,BRIDGE,TEAM,CONCHECK,DCB,DISPATCH,AUDIT,SYSTEMD,PROXY'
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-23e106a7-5dba-48bc-a970-31f058bd6f2c: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-2d4d4168-6343-4e70-9f5f-a6bae589ade1: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-385a8954-54ce-427d-bacc-397839e1d8cb: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-47a6e4f3-b710-42b1-a723-397a8b89065d: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-4c6e5ce3-ae5b-4a67-a7c1-11175c2971bf: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-8985ec31-fb04-4dda-8c64-439f6a895090: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-90071793-62cb-40c1-8679-4efd36b4322b: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-9699a6ee-1c4e-4e82-934a-ded47c35a5fd: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-a10a16b9-c35e-4e15-adf9-2922547d7a08: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-aa83ad09-ec59-4f22-bdc3-d158094a7f56: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-e26e5750-9972-4662-bda7-01dc092d1db5: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName generate[367115]: nm-device: NM-e68eed5a-73c8-4369-ad84-451a89267a6c: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:57 PCName NetworkManager[365850]: <error> [1700592057.3979] BUG: the profile cannot be stored in keyfile format without becoming unusable: invalid connection: ipv4.dns: Diese Eigenschaft ist nicht erlaubt für »method=disabled«
Nov 21 19:40:57 PCName NetworkManager[365850]: **
Nov 21 19:40:57 PCName NetworkManager[365850]: nm:ERROR:src/core/settings/plugins/keyfile/nms-keyfile-writer.c:551:<unknown-fcn>: assertion failed: (<dropped>)
Nov 21 19:40:57 PCName NetworkManager[365850]: Bail out! nm:ERROR:src/core/settings/plugins/keyfile/nms-keyfile-writer.c:551:<unknown-fcn>: assertion failed: (<dropped>)
Nov 21 19:40:57 PCName systemd[1]: NetworkManager.service: Main process exited, code=dumped, status=6/ABRT
Nov 21 19:40:57 PCName systemd[1]: NetworkManager.service: Failed with result 'core-dump'.
Nov 21 19:40:57 PCName systemd[1]: NetworkManager.service: Scheduled restart job, restart counter is at 2.
Nov 21 19:40:57 PCName systemd[1]: Stopped NetworkManager.service - Network Manager.
Nov 21 19:40:57 PCName systemd[1]: Starting NetworkManager.service - Network Manager...
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.7520] NetworkManager (version 1.44.2) is starting... (after a restart, boot:29265fad-d260-4258-a290-7d89142d75d0)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.7521] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 10-dns-resolved.conf, 20-connectivity-ubuntu.conf, no-mac-addr-change.conf) (run: 10-globally-managed-devices.conf, netplan.conf) (etc: default-wifi-powersave-on.conf)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.7577] manager[0x561db630f700]: monitoring kernel firmware directory '/lib/firmware'.
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.7578] monitoring ifupdown state file '/run/network/ifstate'.
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8571] hostname: hostname: using hostnamed
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8571] hostname: static hostname changed from (none) to "PCName"
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8574] dns-mgr: init: dns=systemd-resolved rc-manager=unmanaged (auto), plugin=systemd-resolved
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8590] rfkill3: found Wi-Fi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.0/0000:03:00.0/ieee80211/phy0/rfkill3) (driver iwlwifi)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8594] rfkill1: found Wi-Fi radio killswitch (at /sys/devices/platform/dell-laptop/rfkill/rfkill1) (platform driver dell-laptop)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8795] manager[0x561db630f700]: rfkill: Wi-Fi hardware radio set disabled
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8795] manager[0x561db630f700]: rfkill: WWAN hardware radio set disabled
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8802] Loaded device plugin: NMAtmManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.44.2/libnm-device-plugin-adsl.so)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8812] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/1.44.2/libnm-device-plugin-bluetooth.so)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8818] Loaded device plugin: NMTeamFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.44.2/libnm-device-plugin-team.so)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8821] Loaded device plugin: NMWwanFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.44.2/libnm-device-plugin-wwan.so)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8824] Loaded device plugin: NMWifiFactory (/usr/lib/x86_64-linux-gnu/NetworkManager/1.44.2/libnm-device-plugin-wifi.so)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8826] manager: rfkill: Wi-Fi disabled by radio killswitch; disabled by state file
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8827] manager: rfkill: WWAN enabled by radio killswitch; disabled by state file
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8828] manager: Networking is enabled by state file
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8832] settings: Loaded settings plugin: ifupdown ("/usr/lib/x86_64-linux-gnu/NetworkManager/1.44.2/libnm-settings-plugin-ifupdown.so")
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8832] settings: Loaded settings plugin: keyfile (internal)
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8832] ifupdown: management mode: unmanaged
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8832] ifupdown:       interface-parser: parsing file /etc/network/interfaces
Nov 21 19:40:57 PCName NetworkManager[367127]: <info>  [1700592057.8833] ifupdown:       interface-parser: finished parsing file /etc/network/interfaces
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-23e106a7-5dba-48bc-a970-31f058bd6f2c: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-2d4d4168-6343-4e70-9f5f-a6bae589ade1: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-385a8954-54ce-427d-bacc-397839e1d8cb: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-47a6e4f3-b710-42b1-a723-397a8b89065d: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-4c6e5ce3-ae5b-4a67-a7c1-11175c2971bf: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-8985ec31-fb04-4dda-8c64-439f6a895090: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-90071793-62cb-40c1-8679-4efd36b4322b: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-9699a6ee-1c4e-4e82-934a-ded47c35a5fd: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-a10a16b9-c35e-4e15-adf9-2922547d7a08: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-aa83ad09-ec59-4f22-bdc3-d158094a7f56: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-e26e5750-9972-4662-bda7-01dc092d1db5: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName generate[367148]: nm-device: NM-e68eed5a-73c8-4369-ad84-451a89267a6c: the renderer for nm-devices must be NetworkManager, it will be used instead of the defined one.
Nov 21 19:40:58 PCName NetworkManager[367127]: <warn>  [1700592058.0908] keyfile: load: "/run/NetworkManager/system-connections/netplan-wg0.nmconnection": failed to load connection: invalid connection: ipv4.dns: Diese Eigenschaft ist nicht erlaubt für »method=disabled«
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1290] dhcp: init: Using DHCP client 'internal'
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1292] manager: (lo): new Loopback device (/org/freedesktop/NetworkManager/Devices/1)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1296] device (lo): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1303] device (lo): state change: unavailable -> disconnected (reason 'connection-assumed', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1308] device (lo): Activation: starting connection 'lo' (ad3633e3-d3b1-45b5-a0c0-ecfdd3318204)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1313] device (enp0s31f6): carrier: link connected
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1316] manager: (enp0s31f6): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1321] manager: (enp0s31f6): assume: will attempt to assume matching connection '<retracted>' (33daa451-6554-4393-88ee-58e30cb2d841) (indicated)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1321] device (enp0s31f6): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1325] manager: (vlan0): new VLAN device (/org/freedesktop/NetworkManager/Devices/3)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1329] device (enp0s31f6): state change: unavailable -> disconnected (reason 'connection-assumed', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1337] device (enp0s31f6): Activation: starting connection '<retracted>' (33daa451-6554-4393-88ee-58e30cb2d841)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1341] device (wlp3s0): driver supports Access Point (AP) mode
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1346] manager: (wlp3s0): new 802.11 Wi-Fi device (/org/freedesktop/NetworkManager/Devices/4)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1349] device (wlp3s0): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1363] manager: (wg1): new WireGuard device (/org/freedesktop/NetworkManager/Devices/5)
Nov 21 19:40:58 PCName systemd[1]: Started NetworkManager.service - Network Manager.
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1388] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManager"
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.1597] modem-manager: ModemManager available
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2031] device (lo): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2035] device (lo): state change: prepare -> config (reason 'none', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2037] device (lo): state change: config -> ip-config (reason 'none', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2039] device (enp0s31f6): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2041] device (enp0s31f6): state change: prepare -> config (reason 'none', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2046] device (lo): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2050] device (enp0s31f6): state change: config -> ip-config (reason 'none', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2053] dhcp4 (enp0s31f6): activation: beginning transaction (timeout in 45 seconds)
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2064] dhcp4 (enp0s31f6): state changed new lease, address=<retracted>
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2067] policy: set '<retracted>' (enp0s31f6) as default for IPv4 routing and DNS
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2339] device (lo): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2341] device (lo): state change: secondaries -> activated (reason 'none', sys-iface-state: 'external')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2345] device (lo): Activation: successful, device activated.
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2406] device (enp0s31f6): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2426] device (enp0s31f6): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2428] device (enp0s31f6): state change: secondaries -> activated (reason 'none', sys-iface-state: 'assume')
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2431] manager: NetworkManager state is now CONNECTED_SITE
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2435] device (enp0s31f6): Activation: successful, device activated.
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2439] manager: NetworkManager state is now CONNECTED_GLOBAL
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.2441] manager: startup complete
Nov 21 19:40:58 PCName NetworkManager[367127]: <info>  [1700592058.4477] agent-manager: agent[87ee17288aa7555e,:1.159/org.gnome.Shell.NetworkAgent/1000]: agent registered
^C
root@PCName:~#