Comment 1 for bug 1797216

I am not able to reproduce the mirroring issue locally.

We are seeing VRCNTR_WIRE_DROP_RPF_FAIL increments on the Ankit's setup.

            rpf_result = rpf_check(input_vif_index, VIF_TYPE_PHYSICAL);
            if (rpf_result == NH_SOURCE_SEND_TO_HOST) {
                vr_stats_system_out(VRCNTR_WIRE_FBCK_RPF_TO_HOST);
                goto send_to_vr;
            } else if (rpf_result == NH_SOURCE_INVALID) {
                /* Drop the packet. */
                vr_stats_system_out(VRCNTR_WIRE_DROP_RPF_FAIL);
                goto drop;
            }

input_vif_index is used to determine the rpf_result, this issue may be related to https://bugs.launchpad.net/juniperopenstack/+bug/1797358, where the input_vif_index is not valid.