[ 953.899126][T20939] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 953.899599][T20939] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 954.600831][T21002] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 954.601172][T21002] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode