[  520.792751] bond0: (slave eth0): making interface the new active one
[  520.792854] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.008820] bond0: (slave eth0): Releasing backup interface
[  525.099128] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.294799] bond0: (slave eth0): Releasing backup interface
[  529.327733] bond0 (unregistering): Released all slaves