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Commit: seco-ne/yocto/layers/meta-seconorth-machine@48a0f29e



systemd-conf:wired.network: do not send DHCP release on service stop

Fix the problem with floating IP addresses after first reboot in Edgehog
image.

Even when a stable MAC is assigned to device via device-tree, an IP address
may change after the first reboot.
This is due to default implementation of built-in DHCP client provided by
systemd-network daemon - DHCP RELEASE packet is sent to the DHCP server
during reboot by this daemon. So, next time a new IP address is allocated
to the same DHCP client (device).

To change this behavior of the DHCP client, a
"KeepConfiguration=dhcp-on-stop" option is enabled in configuration file
for systemd-networkd.

Signed-off-by: Mikhail Vanyulin <mikhail.vanyulin@rtsoft.de>