changelog for i40evf-1.5.14

• Add support for IPv4 encapsulated in IPv6
• Allow up to 12K bytes of data per Tx descriptor instead of 8K
• Add VF promiscuous mode support
• Allow RSS Hash set with less than four parameters
• Add support for new kernels
• Fix compile issues on old kernels
• Allow zero MAC addresses
• Make resets more reliable
• Add support for configuring RSS
• Report link speed
• Enable adaptive interrupt throttling