[  520.898228] bond0: (slave eth0): making interface the new active one
[  520.898366] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.073480] bond0: (slave eth0): Releasing backup interface
[  525.158887] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.299996] bond0: (slave eth0): Releasing backup interface
[  529.326768] bond0 (unregistering): Released all slaves