I enabled logging but no logs were created. So because of that, I ran sssd myself with the -i option to see the output. This is the type of stuff I'm seeing.
[sssd] [sbus_remove_timeout] (8): 0x2401540
[sssd] [sbus_dispatch] (9): dbus conn: 24035F0
[sssd] [sbus_dispatch] (9): Dispatching.
[sssd] [ping_check] (4): Service nss replied to ping
[sssd] [sbus_remove_timeout] (8): 0x2405570
[sssd] [sbus_dispatch] (9): dbus conn: 2401F50
[sssd] [sbus_dispatch] (9): Dispatching.
[sssd] [ping_check] (4): Service pam replied to ping
[sssd] [service_check_alive] (4): Checking service nss(31009) is still alive
[sssd] [service_send_ping] (4): Pinging nss
[sssd] [sbus_add_timeout] (8): 0x2405570
[sssd] [service_check_alive] (4): Checking service pam(31010) is still alive
[sssd] [service_send_ping] (4): Pinging pam
[sssd] [sbus_add_timeout] (8): 0x2401540
[sssd[nss]] [sbus_dispatch] (9): dbus conn: F56FC0
[sssd[nss]] [sbus_dispatch] (9): Dispatching.
[sssd[nss]] [sbus_message_handler] (9): Received SBUS method [ping]
[sssd[pam]] [sbus_dispatch] (9): dbus conn: 157E820
[sssd[pam]] [sbus_dispatch] (9): Dispatching.
[sssd[pam]] [sbus_message_handler] (9): Received SBUS method [ping]
[sssd] [sbus_remove_timeout] (8): 0x2405570
[sssd] [sbus_dispatch] (9): dbus conn: 24035F0
[sssd] [sbus_dispatch] (9): Dispatching.
[sssd] [ping_check] (4): Service nss replied to ping
[sssd] [sbus_remove_timeout] (8): 0x2401540
[sssd] [sbus_dispatch] (9): dbus conn: 2401F50
[sssd] [sbus_dispatch] (9): Dispatching.
[sssd] [ping_check] (4): Service pam replied to ping
[sssd] [service_check_alive] (4): Checking service nss(31009) is still alive
[sssd] [service_send_ping] (4): Pinging nss
[sssd] [sbus_add_timeout] (8): 0x2401540
[sssd] [service_check_alive] (4): Checking service pam(31010) is still alive
[sssd] [service_send_ping] (4): Pinging pam
[sssd] [sbus_add_timeout] (8): 0x2405570
[sssd[nss]] [sbus_dispatch] (9): dbus conn: F56FC0
[sssd[nss]] [sbus_dispatch] (9): Dispatching.
[sssd[nss]] [sbus_message_handler] (9): Received SBUS method [ping]
[sssd] [sbus_remove_timeout] (8): 0x2401540
[sssd[pam]] [sbus_dispatch] (9): dbus conn: 157E820
[sssd] [sbus_dispatch] (9): [sssd[pam]] [sbus_dispatch] (9): dbus conn: 24035F0
Dispatching.
[sssd] [sbus_dispatch] (9): Dispatching.
[sssd] [ping_check] (4): Service nss replied to ping
[sssd[pam]] [sbus_message_handler] (9): Received SBUS method [ping]
[sssd] [sbus_remove_timeout] (8): 0x2405570
[sssd] [sbus_dispatch] (9): dbus conn: 2401F50
[sssd] [sbus_dispatch] (9): Dispatching.
[sssd] [ping_check] (4): Service pam replied to ping
^C[sssd] [monitor_quit] (0): Interrupt: killing children
[sssd] [sbus_remove_watch] (8): 0x2402cc0/0x24027c0