See with just running ldapsearch after upgrade to 16.04:
``` # repeat 10 ldapsearch -x > /dev/null # tail /var/log/auth.log Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free ```
See with just running ldapsearch after upgrade to 16.04:
```
# repeat 10 ldapsearch -x > /dev/null
# tail /var/log/auth.log
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
Apr 19 14:53:01 hostname ldapsearch: DIGEST-MD5 common mech free
```