[ 729.705281] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 729.705432] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 729.962217] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 729.962395] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode