[  937.677065][T21148] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  937.677505][T21148] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  938.461317][T21198] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.469575][T21198] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode