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rtnetlink: Do not generate notifications for CHANGEADDR event
Changing hardware address generates redundant messages:
[LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default
link/ether 02:02:02:02:02:02 brd ff:ff:ff:ff:ff:ff
[LINK]11: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default
link/ether 02:02:02:02:02:02 brd ff:ff:ff:ff:ff:ff
Do not send a notification for the CHANGEADDR notifier.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>