[  975.490530][T21933] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  975.491078][T21933] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  976.320045][T21983] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  976.320340][T21983] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode