The result of getent passwd command is incorrect

Issue

• The result of getent passwd command is incorrect(the LDAP users are not displayed).
  • The "enumerate = True" parameter has been added to sssd.conf.
  • The LDAP users were displayed in the id command and ldapsearch command.
  • Correct result is displayed just after system startup, but after a while the correct result is not displayed.
  • Correct result is displayed just after deleting the sssd's cache, but after a while the correct result is not displayed.