[  517.835262] bond0: (slave eth0): making interface the new active one
[  517.835357] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.075333] bond0: (slave eth0): Releasing backup interface
[  522.188324] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.355925] bond0: (slave eth0): Releasing backup interface
[  526.387873] bond0 (unregistering): Released all slaves