Comment # 14 on bug 1155690 from Aaron Puchert

(In reply to �������� ������������ from comment #13)
> Using the "systemd-networkd-wait-online.service" service for something is a
> very bad idea.
> 
> By default, it requires the initialization of ALL network interfaces
> UNLIMITED time.
> This causes the server to hang on the line:
> Job is Running for Network to be Configured (... / no limit).

Are you aware of the options for systemd-networkd-wait-online? [1]

With -i you can specify which interfaces you want to wait for, or you can
ignore some interfaces, and you can also specify a timeout.

[1]
http://man7.org/linux/man-pages/man8/systemd-networkd-wait-online.service.8.html