vlans + traffic == ifi_noproto counter increasing

[erikarn]

When doing VLAN interception, I've noticed that the noprotocol ifnet counter is increasing. What's going on?

[root@darkwatch2] /data/libuinet/sys/net# printf "stats_all\nquit\n" | talkblockd.sh | grep netmap
net.libuinet.netif_stats.netmap0.ifi_ipackets: 247614
net.libuinet.netif_stats.netmap0.ifi_ierrors: 0
net.libuinet.netif_stats.netmap0.ifi_opackets: 0
net.libuinet.netif_stats.netmap0.ifi_oerrors: 0
net.libuinet.netif_stats.netmap0.ifi_collisions: 0
net.libuinet.netif_stats.netmap0.ifi_ibytes: 144801528
net.libuinet.netif_stats.netmap0.ifi_obytes: 0
net.libuinet.netif_stats.netmap0.ifi_imcasts: 5748
net.libuinet.netif_stats.netmap0.ifi_omcasts: 0
net.libuinet.netif_stats.netmap0.ifi_iqdrops: 0
net.libuinet.netif_stats.netmap0.ifi_noproto: 247612
net.libuinet.netif_stats.netmap0.ifi_hwassist: 0
net.libuinet.netif_stats.netmap0.ifi_epoch: 1
net.libuinet.netif_stats.netmap0.ifi_icopies: 247614
net.libuinet.netif_stats.netmap0.ifi_izcopies: 0
net.libuinet.netif_stats.netmap0.ifi_ocopies: 0
net.libuinet.netif_stats.netmap0.ifi_ozcopies: 0
net.libuinet.netif_stats.netmap1.ifi_ipackets: 247614
net.libuinet.netif_stats.netmap1.ifi_ierrors: 0
net.libuinet.netif_stats.netmap1.ifi_opackets: 0
net.libuinet.netif_stats.netmap1.ifi_oerrors: 0
net.libuinet.netif_stats.netmap1.ifi_collisions: 0
net.libuinet.netif_stats.netmap1.ifi_ibytes: 144801528
net.libuinet.netif_stats.netmap1.ifi_obytes: 0
net.libuinet.netif_stats.netmap1.ifi_imcasts: 5748
net.libuinet.netif_stats.netmap1.ifi_omcasts: 0
net.libuinet.netif_stats.netmap1.ifi_iqdrops: 0
net.libuinet.netif_stats.netmap1.ifi_noproto: 247612
net.libuinet.netif_stats.netmap1.ifi_hwassist: 0
net.libuinet.netif_stats.netmap1.ifi_epoch: 1
net.libuinet.netif_stats.netmap1.ifi_icopies: 247614
net.libuinet.netif_stats.netmap1.ifi_izcopies: 0
net.libuinet.netif_stats.netmap1.ifi_ocopies: 0
net.libuinet.netif_stats.netmap1.ifi_ozcopies: 0
[root@darkwatch2] /data/libuinet/sys/net#