The strategy constructor prints the dc:rf at the end making the sstring
for it by hand. Modern fmt-based logger can format unordered_map-s on
its own. The message would look slightly different though:
Configured datacenter replicas are: foo:1 bar:2
into
Configured datacenter replicas are: {"foo": 1, "bar": 2}
Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
Closesscylladb/scylladb#16443
cfeff893c6