[systemd-devel] Where is DHCP Address stored?

[Tom Gundersen]

On Sat, Nov 28, 2015 at 4:42 PM, J Decker <d3ck0r at gmail.com> wrote:
> On Sat, Nov 28, 2015 at 7:36 AM, Tom Gundersen <teg at jklm.no> wrote:
>> On Sat, Nov 28, 2015 at 4:33 PM, J Decker <d3ck0r at gmail.com> wrote:
>>> Okay maybe it's not stored anywhere....
>>>
>>> I was just having a plethora of network issues after updating.
>>>
>>> After finding others were reporting issues with the linux kernel 4.2.5
>>> I rollback to the prior stable 4.1.6... that resolved some of the
>>> issues; but I was still getting a spam of messages every few seconds.
>>> I reverted to systemd-227 and these stopped.
>>
>> Distro?
>
> Arch; did an update lastnight/this morning when my networking fell apart.

As far as I can tell the fixes for these issues are upstream, but not
backported. You could try with current git, or ask downstream to
backport.

>>> Nov 28 07:18:14 tower2 systemd-networkd[354]: eno1: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:14 tower2 systemd-networkd[354]: br0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:19 tower2 systemd-networkd[354]: eth0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:19 tower2 systemd-networkd[354]: he-ipv6: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:19 tower2 systemd-networkd[354]: eno1: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:19 tower2 systemd-networkd[354]: br0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:25 tower2 systemd-networkd[354]: eth0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:25 tower2 systemd-networkd[354]: he-ipv6: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:25 tower2 systemd-networkd[354]: eno1: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:25 tower2 systemd-networkd[354]: br0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:30 tower2 systemd-networkd[354]: eth0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:30 tower2 systemd-networkd[354]: he-ipv6: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:30 tower2 systemd-networkd[354]: eno1: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:30 tower2 systemd-networkd[354]: br0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:35 tower2 systemd-networkd[354]: eth0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:35 tower2 systemd-networkd[354]: he-ipv6: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:35 tower2 systemd-networkd[354]: eno1: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:35 tower2 systemd-networkd[354]: br0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>> Nov 28 07:18:41 tower2 systemd-networkd[354]: eth0: Starting DHCPv6
>>> client on NDisc request failed: Invalid argument
>>>
>>>
>>>
>>> On Sat, Nov 28, 2015 at 4:18 AM, J Decker <d3ck0r at gmail.com> wrote:
>>>> I recently updated my system, and am probably using systemd-228
>>>>
>>>> When the network starts, the device I have configured as DHCP
>>>> [Match]
>>>> Name=eth0
>>>>
>>>> [Network]
>>>> DHCP=ipv4
>>>> Tunnel=he-ipv6
>>>>
>>>> comes up with the old address and no default route set.  If I disable
>>>> that and manually run dhcpcd eth0 I get a valid IP and a default route
>>>> that is an entirely different network than I get from systemd... so it
>>>> must be saving the old address somewhere; but I cannot find any
>>>> reference to that lease/state file.
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