Add additional constraint check into mapping to improve chain leading towards chain end.
Add additional constraint check into mapping to improve chain
leading towards chain end.

hsnlab/escape,hsnlab/escape,hsnlab/escape,5GExchange/escape,5GExchange/escape,hsnlab/escape,5GExchange/escape,5GExchange/escape,5GExchange/escape,5GExchange/escape,hsnlab/escape,hsnlab/escape