[ 950.796017][T21151] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 950.796488][T21151] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 951.705710][T21201] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 951.706090][T21201] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode