[ 1120.689910][T25405] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1120.690551][T25405] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 1121.794205][T25449] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1121.794691][T25449] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode