After upgrading from 25->26, NetworkManager can't get an IP on boot (KDE Spin)

asked 2017-07-26 12:08:52 -0500

blorg gravatar image

Running on a ThinkPad T430S, using the Intel 82579LM Gigabit NIC.

When it (re)boots, NetworkManager can't get an IP from DHCP. In the journal, I see:

Jul 26 09:47:46 scratch NetworkManager[1151]: <info>  [1501080466.1776] manager: (enp0s25): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Jul 26 09:47:46 scratch NetworkManager[1151]: <info>  [1501080466.1791] device (enp0s25): state change: unmanaged -> unavailable (reason 'managed', internal state 'external')
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9414] device (enp0s25): link connected
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9422] device (enp0s25): state change: unavailable -> disconnected (reason 'carrier-changed', internal state 'managed')
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9463] device (enp0s25): Activation: starting connection 'em1' (1039e6e4-4690-434b-989f-6436d8dd0066)
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9467] device (enp0s25): state change: disconnected -> prepare (reason 'none', internal state 'managed')
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9474] device (enp0s25): state change: prepare -> config (reason 'none', internal state 'managed')
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9597] device (enp0s25): state change: config -> ip-config (reason 'none', internal state 'managed')
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9605] dhcp4 (enp0s25): activation: beginning transaction (timeout in 45 seconds)
Jul 26 09:47:49 scratch NetworkManager[1151]: <info>  [1501080469.9693] dhcp4 (enp0s25): dhclient started with pid 1902
Jul 26 09:47:50 scratch dhclient[1902]: DHCPREQUEST on enp0s25 to 255.255.255.255 port 67 (xid=0x188e4416)
Jul 26 09:47:53 scratch NetworkManager[1151]: <info>  [1501080473.9049] device (enp0s25): state change: ip-config -> unavailable (reason 'carrier-changed', internal state 'managed')
Jul 26 09:47:53 scratch NetworkManager[1151]: <info>  [1501080473.9100] dhcp4 (enp0s25): canceled DHCP transaction, DHCP client pid 1902
Jul 26 09:47:53 scratch NetworkManager[1151]: <info>  [1501080473.9100] dhcp4 (enp0s25): state changed unknown -> done

and it repeats until I restart the NetworkManager service, where it immediately starts working.

Seems to work fine if I boot with the ethernet disconnected and wi-fi enabled, though the ethernet does not work if I plug it back in (w/o a restart of the service).

All packages are up to date as of this posting.

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