[ 980.322763][T21010] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 980.323269][T21010] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 981.430676][T21067] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 981.431000][T21067] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode