Configuration reload request received, reloading configuration

Do devices get into "changes pending" state after this operation?

i do not think so.

e.g.

[root@ve11a:Active:In Sync] config  date; tmsh show cm sync-status
Mon Jul  7 07:36:05 PDT 2014

------------------------------------------------------------------------------------------
CM::Sync Status
------------------------------------------------------------------------------------------
Color    green
Status   In Sync
Summary  All devices in the device group are in sync
Details
         /Common/ve11b.acme.local: connected (for 521240 seconds)
         /Common/ve11c.acme.local: connected (for 521240 seconds)
         /Common/device_trust_group (In Sync): All devices in the device group are in sync
         /Common/dg (In Sync): All devices in the device group are in sync

[root@ve11a:Active:In Sync] config  date;/etc/init.d/syslog-ng reload
Mon Jul  7 07:36:20 PDT 2014

[root@ve11a:Active:In Sync] config  cat /var/log/messages
Jul  7 07:36:20 ve11a notice syslog-ng[27803]: Configuration reload request received, reloading configuration;

[root@ve11a:Active:In Sync] config  date; tmsh show cm sync-status
Mon Jul  7 07:36:35 PDT 2014

------------------------------------------------------------------------------------------
CM::Sync Status
------------------------------------------------------------------------------------------
Color    green
Status   In Sync
Summary  All devices in the device group are in sync
Details
         /Common/ve11b.acme.local: connected (for 521240 seconds)
         /Common/ve11c.acme.local: connected (for 521240 seconds)
         /Common/device_trust_group (In Sync): All devices in the device group are in sync
         /Common/dg (In Sync): All devices in the device group are in sync