v3po@2017-06-07.yang defines:
leaf bridged-virtual-interface { when "../action = 'forward'"; type boolean; config false; // FIXME setting bvi is currently not supported by VPP's binary api }
But action identity is defined as:
identity l2-fib-forward {
base l2-fib-action;
description
"Drops packet with configured mac address";
}