[  518.600080] bond0: (slave eth0): making interface the new active one
[  518.600165] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.764801] bond0: (slave eth0): Releasing backup interface
[  522.822565] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.993398] bond0: (slave eth0): Releasing backup interface
[  527.023324] bond0 (unregistering): Released all slaves