[ 1041.196863][T24505] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1041.199421][T24505] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 1042.103871][T24551] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1042.104193][T24551] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode