kernel is not seandroid enforcing

I have successfully rooted my S7 edge following the link below, the phone work perfectly..

http://ift.tt/1Po3SAL

Except only one problem, whenever I reboot my phone the message
"kernel is not seandroid enforcing" always appeared on the left corner of the phone,
same thing also happened when I log into TWRP the left corner shown "recovery is not seandroid enforcing"



Appreciate anyone here to help me how to fix to remove both of them.

Thanks

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