[ 965.655815][T20122] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 965.656320][T20122] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 966.375039][T20178] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 966.375431][T20178] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode