We observed a lot of logs on MX10K that indicate bad TLV value located on LC9600 linecards.
The logs don't correlate to any particular action or event on the router.

Dec 7 10:15:43.959 router-fpc4 aftd-trio[16241]: [t:16399] [Error] RT : Bad TLV1 value : 3
Dec 7 10:15:43.959 router-fpc0 aftd-trio[16208]: [t:16394] [Error] RT : Bad TLV1 value : 3
Dec 7 10:15:44.199 router-fpc4 aftd-trio[16241]: [t:16399] [Error] RT : Bad TLV1 value : 3
Dec 7 10:15:44.199 router-fpc0 aftd-trio[16208]: [t:16394] [Error] RT : Bad TLV1 value : 3