[  937.873559][T20838] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  937.875147][T20838] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  938.571294][T20905] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.571628][T20905] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode