After a node restart, by default the Mellanox card with Virtual Protocol Interconnect (VPI) gets configured in InfiniBand mode
After restart, you might expect the Mellanox VPI RNIC to get configured in the Ethernet mode. By default, the card gets configured in the InfiniBand mode.
Resolution: Update the Mellanox configuration file. On RHEL, configure the /etc/rdma/mlx4.conf
file.