[  517.973604] bond0: (slave eth0): making interface the new active one
[  517.973696] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.197319] bond0: (slave eth0): Releasing backup interface
[  522.290864] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.492087] bond0: (slave eth0): Releasing backup interface
[  526.525057] bond0 (unregistering): Released all slaves