ixv —
Intel 10 Gigabit Ethernet virtual function
ixv* at pci? dev ? function ?
The ixv driver supports Intel 10 Gigabit Ethernet
  virtual function that 82599 and newer chips support. It can be used on a
  NetBSD guest that the host supports SR-IOV.
The ixv device driver comes from
  FreeBSD. It first appeared in NetBSD
  8.0.
The following event counters are not cleared by
  SIOCZIFDATA because the corresponding registers are
  read only and not cleared on read:
  - Good Packets Received
- Good Octets Received
- Multicast Packets Received
- Good Packets Transmitted
- Good Octets Transmitted