When a given port is configured to use more than 8 queues, it requires one (or more) secondary VF.
Each secondary VF adds 8 additional queues to the queue set.
-During PMD driver initialization, the primary VF's are enumerated by checking the
+During PMD initialization, the primary VF's are enumerated by checking the
specific flag (see sqs message in DPDK boot log - sqs indicates secondary queue set).
They are at the beginning of VF list (the remain ones are secondary VF's).