[  959.950740][T20975] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  959.951209][T20975] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  960.888381][T21037] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  960.888678][T21037] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode