[ 956.528065][T20052] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 956.528652][T20052] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 957.240241][T20107] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 957.240555][T20107] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode