Catch possible buffer access exception

Returned message from kernel in cf device may not work
as intended and crash NetworkStack. Since NetworkStack stays
in the system process, the crash will break device and impact
users. Catch the exception to prevent break whole device.

Bug: 145275899
Bug: 142035706
Test: atest NetworkStackTests NetworkStackNextTests
Change-Id: I7b7ecacfc76c54748a4428f04c5422506d85b8d2