[  518.734935] bond0: (slave eth0): making interface the new active one
[  518.735008] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.969462] bond0: (slave eth0): Releasing backup interface
[  523.072328] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.263540] bond0: (slave eth0): Releasing backup interface
[  527.297036] bond0 (unregistering): Released all slaves