[ 740.296387] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 740.296576] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 740.562117] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 740.562245] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode