VCAP_ES0_EGR_PORT
[VCAP_ES0_EGR_PORT] = { 0, 3},
[VCAP_ES0_EGR_PORT] = { 0, 4},
int key_length = vcap->keys[VCAP_ES0_EGR_PORT].length;
vcap_key_set(vcap, &data, VCAP_ES0_EGR_PORT, filter->egress_port.value,
[VCAP_ES0_EGR_PORT] = { 0, 4 },