SM Session Power Adjust Log

I keep getting the following messages every 2min.  Is this normal for the SM to adjust power every 2 minutes?

03/14/2017 : 06:11:38 CST : Event: SMSESMSG, MsgType: PASRSP, NewState: REGISTERED, Flag 8
03/14/2017 : 06:13:38 CST : Event: SMSESMSG, MsgType: PAREQTO, NewState: REGISTERED, Flag 0
03/14/2017 : 06:13:38 CST : Event: SMSESMSG, MsgType: PASRSP, NewState: REGISTERED, Flag 8
03/14/2017 : 06:15:38 CST : Event: SMSESMSG, MsgType: PAREQTO, NewState: REGISTERED, Flag 0
03/14/2017 : 06:15:38 CST : Event: SMSESMSG, MsgType: PASRSP, NewState: REGISTERED, Flag 8
03/14/2017 : 06:17:38 CST : Event: SMSESMSG, MsgType: PAREQTO, NewState: REGISTERED, Flag 0
03/14/2017 : 06:17:38 CST : Event: SMSESMSG, MsgType: PASRSP, NewState: REGISTERED, Flag 8
03/14/2017 : 06:19:38 CST : Event: SMSESMSG, MsgType: PAREQTO, NewState: REGISTERED, Flag 0
03/14/2017 : 06:19:38 CST : Event: SMSESMSG, MsgType: PASRSP, NewState: REGISTERED, Flag 8
03/14/2017 : 06:21:38 CST : Event: SMSESMSG, MsgType: PAREQTO, NewState: REGISTERED, Flag 0
03/14/2017 : 06:21:38 CST : Event: SMSESMSG, MsgType: PASRSP, NewState: REGISTERED, Flag 8
03/14/2017 : 06:23:38 CST : Event: SMSESMSG, MsgType: PAREQTO, NewState: REGISTERED, Flag 0
03/14/2017 : 06:23:38 CST : Event: SMSESMSG, MsgType: PASRSP, NewState: REGISTERED, Flag 8

Yes this is OK