[  943.377225][T21090] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  943.377724][T21090] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  944.068596][T21152] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  944.069598][T21152] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode