'sssctl config-check' is reporting 'memcache_size_sid' should not be placed under 'nss'

Issue

• sssctl config-check is reporting memcache_size_sid should not be placed under the nss section whereas memcache_size_sid is for the [nss] section only.

[root@testserver ~]# cat /etc/sssd/sssd.conf| grep memcache_size_sid -B1
[nss]
memcache_size_sid = 12

[root@testserver ~]# sssctl config-check
Issues identified by validators: 1
[rule/allowed_nss_options]: Attribute 'memcache_size_sid' is not allowed in section 'nss'. Check for typos.

Messages generated during configuration merging: 0

Used configuration snippet files: 0