No default route after "systemctl restart systemd-networkd"

[Gena Makhomed <gmm@xxxxxxxxx>]

Hello, All!

How to fix or workaround this problem with default route?

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Configuration file /etc/systemd/network/eth0.network:

[Match]
Name=eth0

[Network]
Gateway=111.111.111.111

[Address]
Address=222.222.222.222/32
Peer=111.111.111.111/32

-------------------------------------------

After server boot:

# ip r

default via 111.111.111.111 dev eth0 proto static
111.111.111.111 dev eth0 proto kernel scope link src 222.222.222.222

And now server is reachable from network.

-------------------------------------------

After executing command "systemctl restart systemd-networkd":

# ip r

111.111.111.111 dev eth0 proto kernel scope link src 222.222.222.222

And now server is unreachable from network.

-------------------------------------------

OS: CentOS 8.2

# rpm -q systemd
systemd-239-31.el8_2.2.x86_64
From repo: BaseOS

# rpm -q systemd-networkd
systemd-networkd-246.6-1.el8.x86_64
From repo: epel

Configuration manual:
https://docs.hetzner.com/robot/dedicated-server/network/network-configuration-using-systemd-networkd/

-------------------------------------------

How to fix or workaround this problem with default route?

--
Best regards,
 Gena
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