[  517.894729] bond0: (slave eth0): making interface the new active one
[  517.894871] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.069932] bond0: (slave eth0): Releasing backup interface
[  522.154085] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.291505] bond0: (slave eth0): Releasing backup interface
[  526.324452] bond0 (unregistering): Released all slaves