Adds an assertion guard against calling print_all_packets multiple times. It would lead to a crash anyway.
Adds an assertion guard against calling print_all_packets multiple times. It would lead to a crash anyway.

bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn