Nick Rosbrook
53584e7b61
Currently rename_netif() will not attempt to rename a device if it is already up, because the kernel will return -EBUSY unless live renaming is allowed on the device. This restriction will be removed in a future kernel version [1]. To cover both cases, always attempt to rename the interface and return 0 if we get -EBUSY. [1] https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=bd039b5ea2a9
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