[  517.782584] bond0: (slave eth0): making interface the new active one
[  517.782649] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.006349] bond0: (slave eth0): Releasing backup interface
[  522.108146] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.297057] bond0: (slave eth0): Releasing backup interface
[  526.335064] bond0 (unregistering): Released all slaves