[  518.511417] bond0: (slave eth0): making interface the new active one
[  518.511540] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.711275] bond0: (slave eth0): Releasing backup interface
[  522.831299] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.999759] bond0: (slave eth0): Releasing backup interface
[  527.035858] bond0 (unregistering): Released all slaves