How to rotate the samba logs with logrotate?

Issue

• The old log files are still present after rotation by logroate.

-rw-r--r-- 1 root root 206983237 Dec 13 03:16 log.nmbd-20151213
-rw-r--r-- 1 root root  40219811 Dec 13 03:16 log.nmbd.old.gz-20151213