[ 963.615290][T20200] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 963.615778][T20200] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 964.354243][T20257] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 964.354607][T20257] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode