Hello every: When I read the DPDK document, I got a problem that I can't get the descriptor of a NIC.(http://dpdk.org/doc/guides/nics/virtio.html) I want use virtio with kni vhost back end, but I can't find the file /sys/class/net/vEth0/sock_en and /sys/class/net/vEth0/sock_fd. [root@192.168.100.40]# cd vEth0/ [root@192.168.100.40]# ls addr_assign_type addr_len carrier dev_port duplex flags ifindex link_mode operstate power speed subsystem type address broadcast dev_id dormant features ifalias iflink mtu phys_port_id queues statistics tx_queue_len uevent I use CentOS6.5 with kernel 2.6.32-573.7.1.el6.x86_64. Thank you.&}+bץrs|8MzEnsڶޮ(")zW(z+uhh\ikMץrߍw]Fvd_"13t.ߎ'ivJ+'ƲMz=M$yǢ_ɠkM5\mtm=&t7ץrDHm5OtMMKur+s