set_vfs_openib

  # Create a file in /etc/infiniband/vfs with content of the form:
  ib0 3
  enp5s0 12
  
  # and after modules start in openibd:
                if [ -f /etc/infiniband/vfs ]; then
                        while read -r line
                        do
                                arrline=($line)
                                iface=`echo ${arrline[0]}`
                                num_vfs=`echo ${arrline[1]}`
                                echo $num_vfs > /sys/class/net/$iface/device/sriov_numvfs
                        done < "/etc/infiniband/vfs"
                fi