[ 956.640563][T21011] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 956.641421][T21011] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 957.376621][T21073] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 957.376927][T21073] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode