[  523.566687] bond0: (slave eth0): making interface the new active one
[  523.566791] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.752728] bond0: (slave eth0): Releasing backup interface
[  527.820634] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.978329] bond0: (slave eth0): Releasing backup interface
[  532.000093] bond0 (unregistering): Released all slaves