[  979.408997][T21881] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  979.409437][T21881] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  980.313242][T21946] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  980.313525][T21946] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode