[systemd-devel] accepting dhcp address only from a specific mask

[Andrei Borzenkov]

02.06.2025 19:36, daggs wrote:
>> Sent: Monday, June 02, 2025 at 7:09 PM
>> From: "Andrei Borzenkov" <arvidjaar at gmail.com>
>> To: "daggs" <daggs at gmx.com>
>> Cc: systemd-devel at lists.freedesktop.org
>> Subject: Re: [systemd-devel] accepting dhcp address only from a specific mask
>>
>> 02.06.2025 18:30, daggs wrote:
>>> Greetings Andrei,
>>>
>>> here:
>>> $ ip r
>>> 0.0.0.0 dev enp1s0 scope link
>>> default dev enp1s0 scope link
>>
>> Those two lines are most certainly a problem. If they are installed by
>> systemd-networkd, I would call it a bug. Even with IPv4 local addresses
>> they are still wrong.
> 
> how can I test it?

You can disable systemd-networkd.service (and I guess .socket), check 
the networking state after boot then start systemd-networkd.service and 
check again.