[  520.836828] bond0: (slave eth0): making interface the new active one
[  520.836910] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.983922] bond0: (slave eth0): Releasing backup interface
[  525.043595] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.215515] bond0: (slave eth0): Releasing backup interface
[  529.244221] bond0 (unregistering): Released all slaves