[  988.338606][T21199] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  988.340723][T21199] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  989.083644][T21259] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  989.083966][T21259] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode