[  784.005416] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.005496] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  784.116231] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.116387] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode