vxlan: Fix memory leaks in error path
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 v6.0.19 by commit 75c1ab900f7cf0485f0be1607c79c55f51faaa90, it was introduced in version v5.18 by commit f9c4bb0b245cee35ef66f75bf409c9573d934cf9. For more details please see the references link.