[  517.631058] bond0: (slave eth0): making interface the new active one
[  517.631159] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.882850] bond0: (slave eth0): Releasing backup interface
[  521.994432] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.162071] bond0: (slave eth0): Releasing backup interface
[  526.202045] bond0 (unregistering): Released all slaves