[  976.547505][T21830] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  976.548520][T21830] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  977.401607][T21882] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  977.401906][T21882] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode