[  740.967382] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  740.967517] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  741.097016] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  741.097192] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode