ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.295 by commit 25efdbe5fe542c3063d1948cc4e98abcb57621ca, it was introduced in version v3.19 by commit 2ad7bf3638411cb547f2823df08166c13ab04269. For more details please see the references link.