[  517.853816] bond0: (slave eth0): making interface the new active one
[  517.857369] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.257156] bond0: (slave eth0): Releasing backup interface
[  522.405891] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.654668] bond0: (slave eth0): Releasing backup interface
[  526.694591] bond0 (unregistering): Released all slaves