Use static uid/gid for systemd-{resolve,network}
Clearly we have static uid/gid allocated so let's actually use them.
egrep 'systemd-resolve|network' /usr/share/doc/setup/uidgid
systemd-network 192 192 / /sbin/nologin systemd
systemd-resolve 193 193 / /sbin/nologin systemd