Interface fails to initialize properly when driver is included in initramfs

Issue

• Interface fails to initialize properly when driver is included in initramfs, and something similar to the following seen

  [    3.395536] mlx5_0: failed to initialize device: ib0 port 1 (ret = -12)
  [    3.396569] mlx5_0: couldn't register ipoib port 1; error -12
  [    3.530726] mlx5_1, 1: ipoib_intf_alloc failed -12