s390/qeth: Update MACs of LEARNING_SYNC device
Update the MAC addresses that are registered with a LEARNING_SYNC qeth device with the events announced by the attached software bridge. Typically the LEARNING_SYNC qeth bridge port has an isolated sibling (the default interface of an 'HiperSockets Converged Interface' (HSCI)). Update the MACs of isolated siblings as well, to avoid unnecessary flooding in the attached virtualized switches. Signed-off-by: Alexandra Winter <wintera@linux.ibm.com> Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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