[ 949.672266][T20963] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 949.672733][T20963] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 950.584332][T21021] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 950.584643][T21021] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode