[   11.923002] mlx4_core: Mellanox ConnectX core driver v4.0-0
[   11.923070] mlx4_core: Initializing 0000:04:00.0
[   16.994974] mlx4_core 0000:04:00.0: DMFS high rate steer mode is: disabled performance optimized steering
[   16.999626] mlx4_core 0000:04:00.0: 63.008 Gb/s available PCIe bandwidth (8 GT/s x8 link)