[  520.945322] bond0: (slave eth0): making interface the new active one
[  520.945417] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.155073] bond0: (slave eth0): Releasing backup interface
[  525.247752] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.441246] bond0: (slave eth0): Releasing backup interface
[  529.472333] bond0 (unregistering): Released all slaves