[ 669.763857] bond0: (slave eth0): making interface the new active one [ 669.763941] bond0: (slave eth0): Enslaving as an active interface with an up link [ 673.930569] bond0: (slave eth0): Releasing backup interface [ 673.996521] bond0: (slave eth0): Enslaving as an active interface with an up link [ 678.155201] bond0: (slave eth0): Releasing backup interface [ 678.182194] bond0 (unregistering): Released all slaves