azure apparently needs `modprobe mlx4_ib` for DPDK support now.
echo 1024 | sudo tee /sys/devices/system/node/node*/hugepages/hugepages-2048kB/nr_hugepages
mkdir /mnt/huge || true
mount -t hugetlbfs nodev /mnt/huge
-modprobe -a ib_uverbs
+modprobe ib_uverbs
+modprobe mlx4_ib
