gso: do not skip outer ip header in case of ipip and net_failover
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 v4.14.269 by commit 7840e559799a08a8588ee6de27516a991cb2e5e7, it was introduced in version v3.13 by commit cb32f511a70be8967ac9025cf49c44324ced9a39. For more details please see the references link.