DPCE 20x 1GE + 2x 10GE R Issue

Hi,
I use MX240 and MX480 with DPCE 20x 1GE + 2x 10GE R DPC and some time that the board restart without any reason.
I'm using JUNOS 12.3R6.6. In attach the log with issue.
I need info and/or tips to solve the issue ASAP.
Thanks !
Marco