net: print a notification on device rename
Currently it's done silently (from the kernel part), and thus it might be hard to track the renames from logs. Add a simple netdev_info() to notify the rename, but only in case the previous name was valid. CC: "David S. Miller" <davem@davemloft.net> CC: Eric Dumazet <edumazet@google.com> CC: Vlad Yasevich <vyasevic@redhat.com> CC: stephen hemminger <stephen@networkplumber.org> CC: Jerry Chu <hkchu@google.com> CC: Ben Hutchings <bhutchings@solarflare.com> CC: David Laight <David.Laight@ACULAB.COM> Signed-off-by: Veaceslav Falico <vfalico@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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