[  945.539745][T20936] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  945.540386][T20936] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  946.203661][T20988] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.204506][T20988] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode