[ 890.572605] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 890.572694] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 890.683073] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 890.683144] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode