[help][BUGS]ros 7.11.2 bgp list empty

hi every body,
i have problem on our ccr2216-1G-12XS-2XQ, bgp not showing anything, after running about an hour, and on couple days it rebooted it self by the watchdog

/routing/bgp/templates> print (not responding)

/routing/bgp/connection> print (not responding)

/routing/bgp/sessions> print (not responding)

on previous ros7.11 version seems find,

i’m afraid to downgrade because the router on datacenter 400km far away..
tank you.