[  517.905930] bond0: (slave eth0): making interface the new active one
[  517.906046] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.293733] bond0: (slave eth0): Releasing backup interface
[  522.487430] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.755180] bond0: (slave eth0): Releasing backup interface
[  526.778176] bond0 (unregistering): Released all slaves