Ubus call uci commit '{"config":"network"}' is not reloading the network

Try to isolate the issue and identify regularities in its behavior.
If the issue depends on the section type, protocol, option name and/or current status.
Whether it affects newly configured sections, or already existing ones.

There's also the following method:

ubus call uci reload_config

Perhaps this is the recommended way?

On the other hand, it might be a bug:

In that case, you can report it: