You are looking for your iproute2 config in /etc/iproute2 and it's gone?

Here's an explanation on what's going on:

From v6.5.0, iproute2 supports stateless configuration pattern. This
means that iproute2 now read its config from /etc/iproute2/FOO, and,
if it does not exist, fall back to /usr/share/iproute2/FOO.

You can find iproute2 default configuration in /usr/share/iproute2,
while you can store your user-modified config files in /etc/iproute2.

/usr/share/iproute2 files are not supposed to be manually modified.

If a previous update broke your user config for iproute2, you may
have one or more ".rpmsave" files in /etc/iproute2. You can restore
your config simply dropping the ".rpmsave" suffix from the file name.