[  960.879999][T23174] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  960.880520][T23174] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  961.566312][T23233] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  961.566605][T23233] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode