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Hey all,
I ran pacman -Syu yesterday and after restarting NetworkManager.service does not start anymore. I somehow have internet connection though, but I cannot reach the machine with ssh for example. Relevant journal bit is below, let me know if I need to share more.
I also have to mention that I have a systemd-networkd hook enabled in /etc/mkinitcpio.conf for using network in LUKS unlock screen. Though that connection gets dropped after boot and NetworkManager takes over. In order to do that I added this drop in for NetworkManager:
[Service]
ExecStartPost=/usr/bin/nmcli connection down enp5s0
Otherwise it was creating two entries in the network settings UI and was causing all sorts of problems.
Edit: I need to elaborate a little bit more. It seems I have internet connection because of systemd-networkd, which uses DHCP while in initrd. In NetworkManager I have a static IP assigned though and since it doesn't start, I cannot reach the machine using SSH (my config uses that assigned static IP). In any way, I do not understand why NetworkManager does not start and I tried disabling multiple parts of this setup to no avail.
Edit 2: I disabled everything and observed that my manual configuration in NetworkManager is no longer there. That was the issue. Fixed it and reenabled everything, no problems anymore.
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3846] NetworkManager (version 1.58.1-2) is starting... (after a restart, boot:f7d25422-765f-4f1a-bd39-d044a4819a54)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3846] Read config: /etc/NetworkManager/NetworkManager.conf, /usr/lib/NetworkManager/conf.d/{20-connectivity.conf,dns.conf}
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3871] manager[0x55e2b14fe610]: monitoring kernel firmware directory '/lib/firmware'.
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3877] hostname: hostname: using hostnamed
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3877] hostname: static hostname changed from (none) to "server"
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3878] dns-mgr: init: dns=systemd-resolved rc-manager=symlink, plugin=systemd-resolved
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3889] manager[0x55e2b14fe610]: rfkill: Wi-Fi hardware radio set enabled
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3889] manager[0x55e2b14fe610]: rfkill: WWAN hardware radio set enabled
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3913] Loaded device plugin: NMAtmManager (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-adsl.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3932] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-bluetooth.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3936] Loaded device plugin: NMOvsFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-ovs.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3992] Loaded device plugin: NMTeamFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-team.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3994] Loaded device plugin: NMWifiFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-wifi.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3995] Loaded device plugin: NMWwanFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-wwan.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3996] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3996] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3996] manager: Networking is enabled by state file
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3997] settings: Loaded settings plugin: keyfile (internal)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4005] dhcp: init: Using DHCP client 'internal'
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4006] manager: (lo): new Loopback device (/org/freedesktop/NetworkManager/Devices/1)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4007] device (lo): state change: unmanaged -> unavailable (reason 'connection-assumed', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4008] device (lo): state change: unavailable -> disconnected (reason 'connection-assumed', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4010] device (lo): Activation: starting connection 'lo' (6a98b20a-7f85-4a79-8566-2b5cb28a0e00)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4013] device (enp5s0): carrier: link connected
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4015] manager: (enp5s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4017] manager: (enp5s0): assume: will attempt to assume matching connection 'Wired connection 1' (1e06a403-fec0-3607-bbd9-1b76e0884fe1) (indicated)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3889] manager[0x55e2b14fe610]: rfkill: WWAN hardware radio set enabled
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3913] Loaded device plugin: NMAtmManager (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-adsl.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3932] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-bluetooth.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3936] Loaded device plugin: NMOvsFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-ovs.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3992] Loaded device plugin: NMTeamFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-team.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3994] Loaded device plugin: NMWifiFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-wifi.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3995] Loaded device plugin: NMWwanFactory (/usr/lib/NetworkManager/1.58.1-2/libnm-device-plugin-wwan.so)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3996] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3996] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3996] manager: Networking is enabled by state file
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.3997] settings: Loaded settings plugin: keyfile (internal)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4005] dhcp: init: Using DHCP client 'internal'
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4006] manager: (lo): new Loopback device (/org/freedesktop/NetworkManager/Devices/1)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4007] device (lo): state change: unmanaged -> unavailable (reason 'connection-assumed', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4008] device (lo): state change: unavailable -> disconnected (reason 'connection-assumed', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4010] device (lo): Activation: starting connection 'lo' (6a98b20a-7f85-4a79-8566-2b5cb28a0e00)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4013] device (enp5s0): carrier: link connected
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4015] manager: (enp5s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4017] manager: (enp5s0): assume: will attempt to assume matching connection 'Wired connection 1' (1e06a403-fec0-3607-bbd9-1b76e0884fe1) (indicated)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4017] device (enp5s0): state change: unmanaged -> unavailable (reason 'connection-assumed', managed-type: 'assume')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4020] device (enp5s0): state change: unavailable -> disconnected (reason 'connection-assumed', managed-type: 'assume')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4025] device (enp5s0): Activation: starting connection 'Wired connection 1' (1e06a403-fec0-3607-bbd9-1b76e0884fe1)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4028] bus-manager: acquired D-Bus service "org.freedesktop.NetworkManager"
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4033] ovsdb: disconnected from ovsdb
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4034] device (lo): state change: disconnected -> prepare (reason 'none', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4035] device (lo): state change: prepare -> config (reason 'none', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4036] device (lo): state change: config -> ip-config (reason 'none', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4037] device (enp5s0): state change: disconnected -> prepare (reason 'none', managed-type: 'assume')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4037] device (enp5s0): state change: prepare -> config (reason 'none', managed-type: 'assume')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4045] device (lo): state change: ip-config -> ip-check (reason 'none', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4047] device (enp5s0): state change: config -> ip-config (reason 'none', managed-type: 'assume')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4049] dhcp4 (enp5s0): activation: beginning transaction (timeout in 45 seconds)
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4058] device (lo): state change: ip-check -> secondaries (reason 'none', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4059] device (lo): state change: secondaries -> activated (reason 'none', managed-type: 'external')
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4061] device (lo): Activation: successful, device activated.
Oct 19 18:30:27 server nmcli[3420]: Error: 'enp5s0' is not an active connection.
Oct 19 18:30:27 server nmcli[3420]: Error: no active connection provided.
Oct 19 18:30:27 server systemd[1]: NetworkManager.service: Control process exited, code=exited, status=10/n/a
░░ Subject: Unit process exited
░░ Defined-By: systemd
░░ Support: https://lists.freedesktop.org/mailman/l … temd-devel
░░
░░ An ExecStartPost= process belonging to unit NetworkManager.service has exited.
░░
░░ The process' exit code is 'exited' and its exit status is 10.
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4304] caught SIGTERM, shutting down normally.
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4354] dhcp4 (enp5s0): canceled DHCP transaction
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4354] dhcp4 (enp5s0): state changed no lease
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4356] manager: startup complete
Oct 19 18:30:27 server NetworkManager[3378]: <info> [1792427427.4396] exiting (success)
Oct 19 18:30:27 server systemd[1]: NetworkManager.service: Failed with result 'exit-code'.
Last edited by emrsmsrli (2026-10-19 17:13:59)
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