[  513.537883] bond0: (slave eth0): making interface the new active one
[  513.537970] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.787944] bond0: (slave eth0): Releasing backup interface
[  517.889452] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.068095] bond0: (slave eth0): Releasing backup interface
[  522.096926] bond0 (unregistering): Released all slaves