AddAddress4 not setting the new IP
Just a few changes to make it work...
1) Ensure the .network file is a known name. It must be
deleted before the new .network file is added since
the other file also had the same interface and priority level
2) I got on the systemd channel because restarting the systemd
service does not change the ip address. You needed to
flush the ip instead.
Notes on the networkd subject from the IRC channel...
From the systemd-networkd manpage... "Network configurations applied
before networkd is started are not removed"
I also learned from the IRC to use the 'ip addr flush <device>' to
force the network cleanup. ...
<causten__> danderson, so if I setup a server on one subnet, rebooted, then wanted to change the ip I couldn't do it without rebooting?
<causten__> is there a workaround? I mean switching ips in a lab to a different subnet is common
<danderson> either that, or manually clean up the interface configuration before restarting networkd
<danderson> i.e. `ip addr del 1.2.3.4 dev eno1` or whatever
<danderson> alternatively, you may want to just use a different network configuration manager (e.g. arch's netctl, or network-manager), if your use case is more complex
<danderson> networkd is by design aimed at one-time configuration on startup, and minor maintenance like keeping DHCP going
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