[  520.945569] bond0: (slave eth0): making interface the new active one
[  520.945702] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.109706] bond0: (slave eth0): Releasing backup interface
[  525.184833] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.338715] bond0: (slave eth0): Releasing backup interface
[  529.375583] bond0 (unregistering): Released all slaves