systemd/network: don't manage the loopback interface#40
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The default network configuration is DHCP and was also applied to the loopback interface. This resulted in the loopback interface being in a "managed" state in networkd and sometimes caused the IP address to be deconfigured, resulting in errors when something tries to make use of the loopback interface, like resolved (see https://flaviutamas.com/2019/fixing-name-resolution-after-sleep). Exclude the loopback interface from the default configuration to make it "unmanaged".
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…nterface This pulls in a change in the systemd network unit to ignore the loopback interface instead of managing its state which sometimes causes the address to be lost. flatcar/init#40
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…nterface This pulls in a change in the systemd network unit to ignore the loopback interface instead of managing its state which sometimes causes the address to be lost. flatcar/init#40
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The default network configuration is DHCP and was also applied to the
loopback interface. This resulted in the loopback interface being in a
"managed" state in networkd and sometimes caused the IP address to be
deconfigured, resulting in errors when something tries to make use of
the loopback interface, like resolved
(see https://flaviutamas.com/2019/fixing-name-resolution-after-sleep).
Exclude the loopback interface from the default configuration to make
it "unmanaged".
Also see flatcar/bootengine#24
How to use
See if nothing else breaks because of the change
Testing done
for all platforms