[  973.195409][T21919] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  973.195898][T21919] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  974.138072][T21969] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  974.138408][T21969] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode