Description of problem:
Running dsconf monitor dbmon fails with Error: list index out of range

Version-Release number of selected component (if applicable):
389-ds-base-2.2.4-3.el9.x86_64
389-ds-base-2.2.4-5.el9_2.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Run 'dsconf instance monitor dbmon' or dirsrvtests/tests/suites/clu/dbmon_test.py
2.
3.

Actual results:
File "/usr/local/lib/python3.9/site-packages/lib389/cli_conf/monitor.py", line 135, in db_monitor
pagesize = int(ldbm_mon['nsslapd-db-mp-pagesize'][0])
IndexError: list index out of range
ERROR: Error: list index out of range

Expected results:

Additional info: