[ 949.469561][T21009] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 949.470087][T21009] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 950.295171][T21066] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 950.295497][T21066] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode